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_2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:56:58,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:56:58,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:56:58,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:56:58,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:56:58,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:56:58,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:56:58,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:56:58,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:56:58,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:56:58,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:56:58,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:56:58,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:56:58,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:56:58,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:56:58,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:56:58,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:56:58,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:56:58,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:56:58,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:56:58,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:56:58,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:56:58,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:56:58,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:56:58,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:56:58,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:56:58,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:56:58,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:56:58,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:56:58,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:56:58,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:56:58,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:56:58,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:56:58,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:56:58,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:56:58,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:56:58,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:56:58,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:56:58,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:56:58,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:56:58,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:56:58,544 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 16:56:58,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:56:58,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:56:58,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:56:58,562 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:56:58,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:56:58,562 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:56:58,563 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:56:58,563 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:56:58,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:56:58,563 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:56:58,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:56:58,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:56:58,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:56:58,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:56:58,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:56:58,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:56:58,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:56:58,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:56:58,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:56:58,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:56:58,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:56:58,567 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:56:58,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:56:58,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:56:58,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:56:58,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:56:58,569 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:56:58,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:56:58,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:56:58,570 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:56:58,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:56:58,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:56:58,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:56:58,643 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:56:58,644 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:56:58,645 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2019-09-11 16:56:58,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40445aa0/8bdceb1fe5014020b5be76fe7ca150c1/FLAG890360b2e [2019-09-11 16:56:59,273 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:56:59,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2019-09-11 16:56:59,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40445aa0/8bdceb1fe5014020b5be76fe7ca150c1/FLAG890360b2e [2019-09-11 16:56:59,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40445aa0/8bdceb1fe5014020b5be76fe7ca150c1 [2019-09-11 16:56:59,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:56:59,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:56:59,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:56:59,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:56:59,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:56:59,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:56:59" (1/1) ... [2019-09-11 16:56:59,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf06b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:56:59, skipping insertion in model container [2019-09-11 16:56:59,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:56:59" (1/1) ... [2019-09-11 16:56:59,564 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:56:59,605 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:56:59,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:56:59,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:57:00,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:57:00,079 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:57:00,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00 WrapperNode [2019-09-11 16:57:00,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:57:00,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:57:00,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:57:00,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:57:00,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (1/1) ... [2019-09-11 16:57:00,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:57:00,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:57:00,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:57:00,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:57:00,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:57:00" (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 16:57:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:57:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:57:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-11 16:57:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-11 16:57:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-11 16:57:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-11 16:57:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-11 16:57:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-11 16:57:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-11 16:57:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-11 16:57:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-11 16:57:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 16:57:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:57:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 16:57:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:57:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 16:57:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-11 16:57:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-11 16:57:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-11 16:57:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-11 16:57:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 16:57:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:57:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:57:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:57:01,192 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:57:01,192 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:57:01,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:57:01 BoogieIcfgContainer [2019-09-11 16:57:01,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:57:01,195 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:57:01,195 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:57:01,195 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:57:01,196 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:57:01" (1/1) ... [2019-09-11 16:57:01,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:57:01,412 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:57:20,004 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:57:20,045 INFO L272 AbstractInterpreter]: Visited 344 different actions 30370 times. Merged at 160 different actions 4793 times. Widened at 1 different actions 6 times. Performed 266420 root evaluator evaluations with a maximum evaluation depth of 8. Performed 266420 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3127 fixpoints after 121 different actions. Largest state had 138 variables. [2019-09-11 16:57:20,045 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:57:20,048 INFO L168 Benchmark]: Toolchain (without parser) took 20499.11 ms. Allocated memory was 142.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 89.5 MB in the beginning and 405.4 MB in the end (delta: -315.9 MB). Peak memory consumption was 719.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,049 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.82 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 89.3 MB in the beginning and 171.4 MB in the end (delta: -82.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,051 INFO L168 Benchmark]: Boogie Preprocessor took 77.39 ms. Allocated memory is still 200.8 MB. Free memory was 171.4 MB in the beginning and 168.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,052 INFO L168 Benchmark]: RCFGBuilder took 1035.45 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 108.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,053 INFO L168 Benchmark]: Abstract Interpretation took 18850.35 ms. Allocated memory was 200.8 MB in the beginning and 1.2 GB in the end (delta: 976.2 MB). Free memory was 108.6 MB in the beginning and 405.4 MB in the end (delta: -296.8 MB). Peak memory consumption was 679.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:57:20,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 531.82 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 89.3 MB in the beginning and 171.4 MB in the end (delta: -82.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.39 ms. Allocated memory is still 200.8 MB. Free memory was 171.4 MB in the beginning and 168.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1035.45 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 108.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 18850.35 ms. Allocated memory was 200.8 MB in the beginning and 1.2 GB in the end (delta: 976.2 MB). Free memory was 108.6 MB in the beginning and 405.4 MB in the end (delta: -296.8 MB). Peak memory consumption was 679.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 661]: 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 ; [L463] 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}; [L585] int c1 ; [L586] int i2 ; [L589] c1 = 0 [L590] side1Failed = __VERIFIER_nondet_bool() [L591] side2Failed = __VERIFIER_nondet_bool() [L592] side1_written = __VERIFIER_nondet_char() [L593] side2_written = __VERIFIER_nondet_char() [L594] side1Failed_History_0 = __VERIFIER_nondet_bool() [L595] side1Failed_History_1 = __VERIFIER_nondet_bool() [L596] side1Failed_History_2 = __VERIFIER_nondet_bool() [L597] side2Failed_History_0 = __VERIFIER_nondet_bool() [L598] side2Failed_History_1 = __VERIFIER_nondet_bool() [L599] side2Failed_History_2 = __VERIFIER_nondet_bool() [L600] active_side_History_0 = __VERIFIER_nondet_char() [L601] active_side_History_1 = __VERIFIER_nondet_char() [L602] active_side_History_2 = __VERIFIER_nondet_char() [L603] manual_selection_History_0 = __VERIFIER_nondet_char() [L604] manual_selection_History_1 = __VERIFIER_nondet_char() [L605] manual_selection_History_2 = __VERIFIER_nondet_char() [L606] 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); [L606] RET, EXPR init() [L606] i2 = init() [L608] cs1_old = nomsg [L609] cs1_new = nomsg [L610] cs2_old = nomsg [L611] cs2_new = nomsg [L612] s1s2_old = nomsg [L613] s1s2_new = nomsg [L614] s1s1_old = nomsg [L615] s1s1_new = nomsg [L616] s2s1_old = nomsg [L617] s2s1_new = nomsg [L618] s2s2_old = nomsg [L619] s2s2_new = nomsg [L620] s1p_old = nomsg [L621] s1p_new = nomsg [L622] s2p_old = nomsg [L623] s2p_new = nomsg [L624] i2 = 0 [L625] COND TRUE 1 [L627] 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 [L627] RET Console_task_each_pals_period() [L628] 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 [L628] RET Side1_activestandby_task_each_pals_period() [L629] 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 [L629] RET Side2_activestandby_task_each_pals_period() [L630] 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) [L659] COND TRUE ! arg [L661] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...