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.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:23:45,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:23:45,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:23:45,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:23:45,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:23:45,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:23:45,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:23:45,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:23:45,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:23:45,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:23:45,833 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:23:45,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:23:45,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:23:45,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:23:45,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:23:45,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:23:45,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:23:45,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:23:45,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:23:45,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:23:45,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:23:45,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:23:45,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:23:45,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:23:45,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:23:45,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:23:45,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:23:45,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:23:45,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:23:45,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:23:45,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:23:45,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:23:45,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:23:45,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:23:45,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:23:45,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:23:45,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:23:45,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:23:45,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:23:45,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:23:45,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:23:45,857 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 09:23:45,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:23:45,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:23:45,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:23:45,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:23:45,873 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:23:45,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:23:45,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:23:45,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:23:45,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:23:45,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:23:45,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:23:45,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:23:45,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:23:45,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:23:45,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:23:45,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:23:45,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:23:45,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:23:45,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:23:45,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:23:45,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:23:45,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:23:45,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:23:45,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:23:45,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:23:45,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:23:45,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:23:45,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:23:45,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:23:45,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:23:45,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:23:45,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:23:45,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:23:45,944 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:23:45,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2019-08-18 09:23:46,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ec22cc6/784ea45e0a904840b95d2caf51faaffb/FLAG4cc63641e [2019-08-18 09:23:46,534 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:23:46,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2019-08-18 09:23:46,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ec22cc6/784ea45e0a904840b95d2caf51faaffb/FLAG4cc63641e [2019-08-18 09:23:46,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ec22cc6/784ea45e0a904840b95d2caf51faaffb [2019-08-18 09:23:46,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:23:46,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:23:46,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:46,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:23:46,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:23:46,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:46" (1/1) ... [2019-08-18 09:23:46,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c754e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:46, skipping insertion in model container [2019-08-18 09:23:46,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:46" (1/1) ... [2019-08-18 09:23:46,926 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:23:46,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:23:47,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:47,385 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:23:47,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:47,506 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:23:47,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47 WrapperNode [2019-08-18 09:23:47,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:47,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:23:47,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:23:47,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:23:47,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (1/1) ... [2019-08-18 09:23:47,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:23:47,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:23:47,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:23:47,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:23:47,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:47" (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 09:23:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:23:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-08-18 09:23:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:23:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:23:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:23:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:23:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:23:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-08-18 09:23:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:23:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:23:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:23:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:23:48,513 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:23:48,513 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:23:48,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:48 BoogieIcfgContainer [2019-08-18 09:23:48,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:23:48,516 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:23:48,516 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:23:48,516 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:23:48,519 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:48" (1/1) ... [2019-08-18 09:23:48,534 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:23:48,538 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:23:48,554 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:23:48,563 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:23:48,565 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:23:48,669 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:48,670 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:48,671 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:48,683 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 09:23:48,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:48,924 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-18 09:23:48,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:48,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:48,963 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 09:23:48,964 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:49,149 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-18 09:23:49,150 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:49,151 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:23:49,152 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:154, output treesize:164 [2019-08-18 09:23:49,183 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 178 [2019-08-18 09:23:49,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-18 09:23:49,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,351 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,377 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:49,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:50,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:50,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:50,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:50,292 INFO L185 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 16 [2019-08-18 09:23:50,293 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 24 [2019-08-18 09:23:50,293 INFO L185 IcfgInterpreter]: Interpreting procedure check with input of size 18 [2019-08-18 09:23:50,579 INFO L185 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 1 [2019-08-18 09:23:50,581 INFO L185 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 1 [2019-08-18 09:23:50,582 INFO L185 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 1 [2019-08-18 09:23:50,584 INFO L185 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 6 [2019-08-18 09:23:50,585 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 3 [2019-08-18 09:23:50,585 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:23:50,586 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:23:50,588 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 5785#(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 09:23:50,597 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:23:50,598 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:23:50,601 INFO L168 Benchmark]: Toolchain (without parser) took 3690.23 ms. Allocated memory was 138.4 MB in the beginning and 333.4 MB in the end (delta: 195.0 MB). Free memory was 86.1 MB in the beginning and 294.3 MB in the end (delta: -208.2 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:50,601 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 138.4 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 09:23:50,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.76 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 86.1 MB in the beginning and 168.3 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:50,607 INFO L168 Benchmark]: Boogie Preprocessor took 80.53 ms. Allocated memory is still 199.2 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:50,608 INFO L168 Benchmark]: RCFGBuilder took 926.60 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 104.9 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:50,610 INFO L168 Benchmark]: Symbolic Interpretation took 2082.76 ms. Allocated memory was 199.2 MB in the beginning and 333.4 MB in the end (delta: 134.2 MB). Free memory was 104.9 MB in the beginning and 294.3 MB in the end (delta: -189.4 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:50,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 5785#(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 0.45 ms. Allocated memory is still 138.4 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.76 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 86.1 MB in the beginning and 168.3 MB in the end (delta: -82.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.53 ms. Allocated memory is still 199.2 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 926.60 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 104.9 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2082.76 ms. Allocated memory was 199.2 MB in the beginning and 333.4 MB in the end (delta: 134.2 MB). Free memory was 104.9 MB in the beginning and 294.3 MB in the end (delta: -189.4 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...