java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:23:48,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:23:48,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:23:48,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:23:48,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:23:48,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:23:48,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:23:48,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:23:48,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:23:48,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:23:48,975 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:23:48,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:23:48,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:23:48,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:23:48,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:23:48,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:23:48,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:23:48,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:23:48,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:23:48,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:23:48,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:23:48,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:23:48,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:23:48,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:23:48,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:23:48,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:23:48,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:23:48,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:23:48,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:23:48,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:23:48,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:23:48,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:23:48,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:23:48,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:23:49,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:23:49,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:23:49,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:23:49,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:23:49,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:23:49,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:23:49,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:23:49,004 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 09:23:49,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:23:49,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:23:49,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:23:49,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:23:49,021 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:23:49,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:23:49,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:23:49,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:23:49,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:23:49,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:23:49,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:23:49,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:23:49,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:23:49,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:23:49,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:23:49,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:23:49,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:23:49,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:23:49,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:23:49,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:23:49,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:23:49,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:23:49,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:23:49,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:23:49,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:23:49,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:23:49,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:23:49,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:23:49,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:23:49,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:23:49,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:23:49,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:23:49,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:23:49,076 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:23:49,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:49,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956909bc6/3a8100347c594a9a91542f24d5c5f5d6/FLAGfa3680f9d [2019-08-18 09:23:49,718 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:23:49,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:49,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956909bc6/3a8100347c594a9a91542f24d5c5f5d6/FLAGfa3680f9d [2019-08-18 09:23:50,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/956909bc6/3a8100347c594a9a91542f24d5c5f5d6 [2019-08-18 09:23:50,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:23:50,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:23:50,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:50,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:23:50,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:23:50,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47422c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50, skipping insertion in model container [2019-08-18 09:23:50,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:23:50,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:23:50,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:50,438 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:23:50,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:50,619 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:23:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50 WrapperNode [2019-08-18 09:23:50,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:50,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:23:50,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:23:50,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:23:50,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (1/1) ... [2019-08-18 09:23:50,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:23:50,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:23:50,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:23:50,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:23:50,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:50" (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 09:23:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:23:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:23:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-08-18 09:23:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-08-18 09:23:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-08-18 09:23:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-08-18 09:23:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-08-18 09:23:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-08-18 09:23:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-08-18 09:23:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-08-18 09:23:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:23:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-08-18 09:23:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-08-18 09:23:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:23:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:23:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:23:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:23:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:23:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:23:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:23:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-08-18 09:23:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:23:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:23:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:23:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:23:51,609 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:23:51,609 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:23:51,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:51 BoogieIcfgContainer [2019-08-18 09:23:51,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:23:51,611 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:23:51,611 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:23:51,612 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:23:51,613 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:51" (1/1) ... [2019-08-18 09:23:51,625 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:23:51,627 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:23:51,636 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:23:51,642 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:23:51,643 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:23:51,750 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:51,750 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:51,751 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:51,763 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 09:23:51,764 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:52,013 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-18 09:23:52,014 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:52,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:52,045 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 09:23:52,046 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:52,251 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-18 09:23:52,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:52,253 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:23:52,253 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:154, output treesize:164 [2019-08-18 09:23:52,309 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 178 [2019-08-18 09:23:52,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-18 09:23:52,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,493 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:52,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:53,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:53,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:53,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:53,515 INFO L185 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 16 [2019-08-18 09:23:53,516 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 24 [2019-08-18 09:23:53,516 INFO L185 IcfgInterpreter]: Interpreting procedure check with input of size 18 [2019-08-18 09:23:53,795 INFO L185 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 1 [2019-08-18 09:23:53,797 INFO L185 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 1 [2019-08-18 09:23:53,799 INFO L185 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 1 [2019-08-18 09:23:53,801 INFO L185 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 6 [2019-08-18 09:23:53,803 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 3 [2019-08-18 09:23:53,804 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:23:53,804 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:23:53,807 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 5783#(or (and (= (mod assert_~arg 256) 0) (= 0 |assert_#in~arg|) (= assert_~arg |assert_#in~arg|)) (and (= ~nomsg~0 ~s1s2_new~0) (= ~nomsg~0 ~s2s2_new~0) (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (= ~nomsg~0 ~s2s1_new~0) (= ~nomsg~0 ~s2p_new~0) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~cs1_new~0) (= assert_~arg |assert_#in~arg|) (= ~nomsg~0 ~cs2_new~0) (= ~s1p_new~0 ~nomsg~0) (= ~nomsg~0 ~s1s1_new~0))) [2019-08-18 09:23:53,817 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:23:53,817 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:23:53,819 INFO L168 Benchmark]: Toolchain (without parser) took 3794.29 ms. Allocated memory was 131.1 MB in the beginning and 272.6 MB in the end (delta: 141.6 MB). Free memory was 86.1 MB in the beginning and 99.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 151.1 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,820 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.52 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 170.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,822 INFO L168 Benchmark]: Boogie Preprocessor took 87.37 ms. Allocated memory is still 199.2 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,823 INFO L168 Benchmark]: RCFGBuilder took 902.31 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 106.8 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,824 INFO L168 Benchmark]: Symbolic Interpretation took 2206.28 ms. Allocated memory was 199.2 MB in the beginning and 272.6 MB in the end (delta: 73.4 MB). Free memory was 106.8 MB in the beginning and 99.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:53,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 5783#(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 0.50 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.52 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.9 MB in the beginning and 170.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.37 ms. Allocated memory is still 199.2 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 902.31 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 106.8 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2206.28 ms. Allocated memory was 199.2 MB in the beginning and 272.6 MB in the end (delta: 73.4 MB). Free memory was 106.8 MB in the beginning and 99.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...