java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:56:39,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:56:39,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:56:39,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:56:39,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:56:39,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:56:39,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:56:39,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:56:39,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:56:39,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:56:39,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:56:39,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:56:39,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:56:39,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:56:39,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:56:39,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:56:39,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:56:39,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:56:39,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:56:39,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:56:39,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:56:39,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:56:39,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:56:39,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:56:39,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:56:39,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:56:39,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:56:39,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:56:39,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:56:39,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:56:39,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:56:39,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:56:39,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:56:39,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:56:39,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:56:39,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:56:39,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:56:39,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:56:39,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:56:39,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:56:39,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:56:39,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:56:39,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:56:39,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:56:39,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:56:39,710 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:56:39,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:56:39,711 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:56:39,712 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:56:39,712 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:56:39,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:56:39,713 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:56:39,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:56:39,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:56:39,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:56:39,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:56:39,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:56:39,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:56:39,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:56:39,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:56:39,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:56:39,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:56:39,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:56:39,717 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:56:39,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:56:39,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:56:39,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:56:39,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:56:39,719 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:56:39,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:56:39,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:56:39,719 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:56:39,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:56:39,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:56:39,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:56:39,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:56:39,785 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:56:39,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2019-09-11 16:56:39,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b3530b6/b706ca841aa942359500159d183627e6/FLAG623407480 [2019-09-11 16:56:40,363 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:56:40,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2019-09-11 16:56:40,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b3530b6/b706ca841aa942359500159d183627e6/FLAG623407480 [2019-09-11 16:56:40,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b3530b6/b706ca841aa942359500159d183627e6 [2019-09-11 16:56:40,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:56:40,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:56:40,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:56:40,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:56:40,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:56:40,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:56:40" (1/1) ... [2019-09-11 16:56:40,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f90b705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:40, skipping insertion in model container [2019-09-11 16:56:40,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:56:40" (1/1) ... [2019-09-11 16:56:40,700 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:56:40,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:56:41,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:56:41,121 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:56:41,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:56:41,210 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:56:41,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41 WrapperNode [2019-09-11 16:56:41,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:56:41,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:56:41,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:56:41,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:56:41,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (1/1) ... [2019-09-11 16:56:41,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:56:41,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:56:41,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:56:41,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:56:41,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:41" (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 [2019-09-11 16:56:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:56:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:56:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-11 16:56:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-11 16:56:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-11 16:56:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 16:56:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-11 16:56:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-11 16:56:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-11 16:56:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-11 16:56:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-11 16:56:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 16:56:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:56:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 16:56:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:56:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 16:56:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 16:56:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 16:56:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 16:56:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 16:56:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:56:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-11 16:56:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-11 16:56:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-11 16:56:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 16:56:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-11 16:56:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-11 16:56:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:56:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:56:42,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:56:42,172 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:56:42,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:56:42 BoogieIcfgContainer [2019-09-11 16:56:42,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:56:42,178 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:56:42,178 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:56:42,179 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:56:42,179 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:56:42" (1/1) ... [2019-09-11 16:56:42,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:56:42,369 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:57:04,279 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:57:04,350 INFO L272 AbstractInterpreter]: Visited 340 different actions 35472 times. Merged at 154 different actions 5707 times. Widened at 1 different actions 5 times. Performed 325093 root evaluator evaluations with a maximum evaluation depth of 8. Performed 325093 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3594 fixpoints after 113 different actions. Largest state had 138 variables. [2019-09-11 16:57:04,353 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:57:04,361 INFO L168 Benchmark]: Toolchain (without parser) took 23669.63 ms. Allocated memory was 141.0 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 88.6 MB in the beginning and 354.7 MB in the end (delta: -266.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,362 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.00 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 171.6 MB in the end (delta: -83.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,366 INFO L168 Benchmark]: Boogie Preprocessor took 66.63 ms. Allocated memory is still 200.8 MB. Free memory was 171.6 MB in the beginning and 168.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,367 INFO L168 Benchmark]: RCFGBuilder took 899.65 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 108.6 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,368 INFO L168 Benchmark]: Abstract Interpretation took 22175.23 ms. Allocated memory was 200.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 108.6 MB in the beginning and 354.7 MB in the end (delta: -246.2 MB). Peak memory consumption was 972.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:04,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 524.00 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 171.6 MB in the end (delta: -83.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.63 ms. Allocated memory is still 200.8 MB. Free memory was 171.6 MB in the beginning and 168.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 899.65 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 108.6 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 22175.23 ms. Allocated memory was 200.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 108.6 MB in the beginning and 354.7 MB in the end (delta: -246.2 MB). Peak memory consumption was 972.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 653]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L69] msg_t nomsg = (msg_t )-1; [L70] port_t cs1 ; [L71] int8_t cs1_old ; [L72] int8_t cs1_new ; [L73] port_t cs2 ; [L74] int8_t cs2_old ; [L75] int8_t cs2_new ; [L76] port_t s1s2 ; [L77] int8_t s1s2_old ; [L78] int8_t s1s2_new ; [L79] port_t s1s1 ; [L80] int8_t s1s1_old ; [L81] int8_t s1s1_new ; [L82] port_t s2s1 ; [L83] int8_t s2s1_old ; [L84] int8_t s2s1_new ; [L85] port_t s2s2 ; [L86] int8_t s2s2_old ; [L87] int8_t s2s2_new ; [L88] port_t s1p ; [L89] int8_t s1p_old ; [L90] int8_t s1p_new ; [L91] port_t s2p ; [L92] int8_t s2p_old ; [L93] int8_t s2p_new ; [L96] _Bool side1Failed ; [L97] _Bool side2Failed ; [L98] msg_t side1_written ; [L99] msg_t side2_written ; [L102] static _Bool side1Failed_History_0 ; [L103] static _Bool side1Failed_History_1 ; [L104] static _Bool side1Failed_History_2 ; [L105] static _Bool side2Failed_History_0 ; [L106] static _Bool side2Failed_History_1 ; [L107] static _Bool side2Failed_History_2 ; [L108] static int8_t active_side_History_0 ; [L109] static int8_t active_side_History_1 ; [L110] static int8_t active_side_History_2 ; [L111] static msg_t manual_selection_History_0 ; [L112] static msg_t manual_selection_History_1 ; [L113] static msg_t manual_selection_History_2 ; [L455] void (*nodes[4])(void) = { & Console_task_each_pals_period, & Side1_activestandby_task_each_pals_period, & Side2_activestandby_task_each_pals_period, & Pendulum_prism_task_each_pals_period}; [L577] int c1 ; [L578] int i2 ; [L581] c1 = 0 [L582] side1Failed = __VERIFIER_nondet_bool() [L583] side2Failed = __VERIFIER_nondet_bool() [L584] side1_written = __VERIFIER_nondet_char() [L585] side2_written = __VERIFIER_nondet_char() [L586] side1Failed_History_0 = __VERIFIER_nondet_bool() [L587] side1Failed_History_1 = __VERIFIER_nondet_bool() [L588] side1Failed_History_2 = __VERIFIER_nondet_bool() [L589] side2Failed_History_0 = __VERIFIER_nondet_bool() [L590] side2Failed_History_1 = __VERIFIER_nondet_bool() [L591] side2Failed_History_2 = __VERIFIER_nondet_bool() [L592] active_side_History_0 = __VERIFIER_nondet_char() [L593] active_side_History_1 = __VERIFIER_nondet_char() [L594] active_side_History_2 = __VERIFIER_nondet_char() [L595] manual_selection_History_0 = __VERIFIER_nondet_char() [L596] manual_selection_History_1 = __VERIFIER_nondet_char() [L597] manual_selection_History_2 = __VERIFIER_nondet_char() [L598] CALL, EXPR init() [L239] COND FALSE !((int )side1Failed_History_0 != 0) [L242] COND FALSE !((int )side2Failed_History_0 != 0) [L245] COND FALSE !((int )active_side_History_0 != -2) [L248] COND FALSE !((int )manual_selection_History_0 != 0) [L251] COND FALSE !((int )side1Failed_History_1 != 0) [L254] COND FALSE !((int )side2Failed_History_1 != 0) [L257] COND FALSE !((int )active_side_History_1 != -2) [L260] COND FALSE !((int )manual_selection_History_1 != 0) [L263] COND FALSE !((int )side1Failed_History_2 != 0) [L266] COND FALSE !((int )side2Failed_History_2 != 0) [L269] COND FALSE !((int )active_side_History_2 != -2) [L272] COND FALSE !((int )manual_selection_History_2 != 0) [L275] return (1); [L598] RET, EXPR init() [L598] i2 = init() [L600] cs1_old = nomsg [L601] cs1_new = nomsg [L602] cs2_old = nomsg [L603] cs2_new = nomsg [L604] s1s2_old = nomsg [L605] s1s2_new = nomsg [L606] s1s1_old = nomsg [L607] s1s1_new = nomsg [L608] s2s1_old = nomsg [L609] s2s1_new = nomsg [L610] s2s2_old = nomsg [L611] s2s2_new = nomsg [L612] s1p_old = nomsg [L613] s1p_new = nomsg [L614] s2p_old = nomsg [L615] s2p_new = nomsg [L616] i2 = 0 [L617] COND TRUE 1 [L619] CALL Console_task_each_pals_period() [L293] msg_t manual_selection ; [L294] char tmp ; [L297] tmp = __VERIFIER_nondet_char() [L298] manual_selection = tmp [L299] CALL write_manual_selection_history(manual_selection) [L209] manual_selection_History_2 = manual_selection_History_1 [L210] manual_selection_History_1 = manual_selection_History_0 [L211] manual_selection_History_0 = val [L299] RET write_manual_selection_history(manual_selection) [L300] EXPR manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L300] cs1_new = manual_selection != nomsg && cs1_new == nomsg ? manual_selection : cs1_new [L301] EXPR manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L301] cs2_new = manual_selection != nomsg && cs2_new == nomsg ? manual_selection : cs2_new [L302] manual_selection = (msg_t )0 [L619] RET Console_task_each_pals_period() [L620] CALL Side1_activestandby_task_each_pals_period() [L308] int8_t side1 ; [L309] int8_t side2 ; [L310] msg_t manual_selection ; [L311] int8_t next_state ; [L314] side1 = nomsg [L315] side2 = nomsg [L316] manual_selection = (msg_t )0 [L317] side1Failed = __VERIFIER_nondet_bool() [L318] CALL write_side1_failed_history(side1Failed) [L119] side1Failed_History_2 = side1Failed_History_1 [L120] side1Failed_History_1 = side1Failed_History_0 [L121] side1Failed_History_0 = val [L318] RET write_side1_failed_history(side1Failed) [L319] COND TRUE \read(side1Failed) [L320] EXPR nomsg != nomsg && s1s1_new == nomsg ? nomsg : s1s1_new [L320] s1s1_new = nomsg != nomsg && s1s1_new == nomsg ? nomsg : s1s1_new [L321] EXPR nomsg != nomsg && s1s2_new == nomsg ? nomsg : s1s2_new [L321] s1s2_new = nomsg != nomsg && s1s2_new == nomsg ? nomsg : s1s2_new [L322] EXPR nomsg != nomsg && s1p_new == nomsg ? nomsg : s1p_new [L322] s1p_new = nomsg != nomsg && s1p_new == nomsg ? nomsg : s1p_new [L323] side1_written = nomsg [L620] RET Side1_activestandby_task_each_pals_period() [L621] CALL Side2_activestandby_task_each_pals_period() [L365] int8_t side1 ; [L366] int8_t side2 ; [L367] msg_t manual_selection ; [L368] int8_t next_state ; [L371] side1 = nomsg [L372] side2 = nomsg [L373] manual_selection = (msg_t )0 [L374] side2Failed = __VERIFIER_nondet_bool() [L375] CALL write_side2_failed_history(side2Failed) [L149] side2Failed_History_2 = side2Failed_History_1 [L150] side2Failed_History_1 = side2Failed_History_0 [L151] side2Failed_History_0 = val [L375] RET write_side2_failed_history(side2Failed) [L376] COND TRUE \read(side2Failed) [L377] EXPR nomsg != nomsg && s2s1_new == nomsg ? nomsg : s2s1_new [L377] s2s1_new = nomsg != nomsg && s2s1_new == nomsg ? nomsg : s2s1_new [L378] EXPR nomsg != nomsg && s2s2_new == nomsg ? nomsg : s2s2_new [L378] s2s2_new = nomsg != nomsg && s2s2_new == nomsg ? nomsg : s2s2_new [L379] EXPR nomsg != nomsg && s2p_new == nomsg ? nomsg : s2p_new [L379] s2p_new = nomsg != nomsg && s2p_new == nomsg ? nomsg : s2p_new [L380] side2_written = nomsg [L621] RET Side2_activestandby_task_each_pals_period() [L622] CALL Pendulum_prism_task_each_pals_period() [L422] int8_t active_side ; [L423] int8_t tmp ; [L424] int8_t side1 ; [L425] int8_t side2 ; [L428] CALL read_active_side_history((unsigned char)0) [L190] COND FALSE !((int )index == 0) [L193] COND FALSE !((int )index == 1) [L196] COND FALSE !((int )index == 2) [L199] CALL assert((_Bool)0) [L651] COND TRUE ! arg [L653] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...