/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_power.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:27:38,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:27:38,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:27:38,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:27:38,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:27:38,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:27:38,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:27:38,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:27:38,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:27:38,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:27:38,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:27:38,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:27:38,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:27:38,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:27:38,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:27:38,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:27:38,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:27:38,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:27:38,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:27:38,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:27:38,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:27:38,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:27:38,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:27:38,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:27:38,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:27:38,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:27:38,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:27:38,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:27:38,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:27:38,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:27:38,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:27:38,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:27:38,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:27:38,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:27:38,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:27:38,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:27:38,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:27:38,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:27:38,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:27:38,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:27:38,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:27:38,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:27:38,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:27:38,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:27:38,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:27:38,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:27:38,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:27:38,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:27:38,183 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:27:38,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:27:38,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:27:38,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:27:38,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:27:38,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:27:38,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:27:38,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:27:38,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:27:38,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:27:38,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:27:38,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:27:38,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:27:38,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:27:38,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:27:38,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:27:38,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:27:38,472 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:27:38,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_power.i [2022-12-05 20:27:39,580 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:27:39,902 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:27:39,903 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_power.i [2022-12-05 20:27:39,934 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4746b98a7/dc7eb57c6daa4704a032036b29c12df0/FLAG2a8f271e0 [2022-12-05 20:27:39,947 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4746b98a7/dc7eb57c6daa4704a032036b29c12df0 [2022-12-05 20:27:39,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:27:39,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:27:39,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:27:39,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:27:39,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:27:39,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:27:39" (1/1) ... [2022-12-05 20:27:39,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50267aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:39, skipping insertion in model container [2022-12-05 20:27:39,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:27:39" (1/1) ... [2022-12-05 20:27:39,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:27:40,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:27:40,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_power.i[990,1003] [2022-12-05 20:27:40,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:27:40,373 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:27:40,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_power.i[990,1003] [2022-12-05 20:27:40,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,429 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:27:40,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:27:40,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:27:40,481 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:27:40,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40 WrapperNode [2022-12-05 20:27:40,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:27:40,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:27:40,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:27:40,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:27:40,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,550 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 226 [2022-12-05 20:27:40,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:27:40,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:27:40,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:27:40,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:27:40,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:27:40,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:27:40,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:27:40,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:27:40,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (1/1) ... [2022-12-05 20:27:40,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:27:40,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:27:40,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 20:27:40,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 20:27:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-05 20:27:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-05 20:27:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-05 20:27:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:27:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:27:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:27:40,677 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:27:40,818 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:27:40,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:27:41,236 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:27:41,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:27:41,458 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:27:41,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:27:41 BoogieIcfgContainer [2022-12-05 20:27:41,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:27:41,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:27:41,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:27:41,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:27:41,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:27:39" (1/3) ... [2022-12-05 20:27:41,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c87ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:27:41, skipping insertion in model container [2022-12-05 20:27:41,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:27:40" (2/3) ... [2022-12-05 20:27:41,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c87ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:27:41, skipping insertion in model container [2022-12-05 20:27:41,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:27:41" (3/3) ... [2022-12-05 20:27:41,468 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2022-12-05 20:27:41,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:27:41,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-05 20:27:41,482 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:27:41,538 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 20:27:41,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 127 transitions, 269 flow [2022-12-05 20:27:41,619 INFO L130 PetriNetUnfolder]: 2/124 cut-off events. [2022-12-05 20:27:41,620 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:27:41,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-12-05 20:27:41,626 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 127 transitions, 269 flow [2022-12-05 20:27:41,630 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 124 transitions, 257 flow [2022-12-05 20:27:41,631 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:27:41,653 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 124 transitions, 257 flow [2022-12-05 20:27:41,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 124 transitions, 257 flow [2022-12-05 20:27:41,696 INFO L130 PetriNetUnfolder]: 2/124 cut-off events. [2022-12-05 20:27:41,697 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:27:41,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-12-05 20:27:41,700 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 124 transitions, 257 flow [2022-12-05 20:27:41,700 INFO L188 LiptonReduction]: Number of co-enabled transitions 1888 [2022-12-05 20:27:55,522 INFO L203 LiptonReduction]: Total number of compositions: 101 [2022-12-05 20:27:55,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:27:55,558 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c3d6880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:27:55,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-05 20:27:55,566 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-05 20:27:55,570 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:27:55,570 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:27:55,571 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:27:55,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:27:55,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:27:55,588 INFO L85 PathProgramCache]: Analyzing trace with hash 925106385, now seen corresponding path program 1 times [2022-12-05 20:27:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:27:55,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417854454] [2022-12-05 20:27:55,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:27:55,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:27:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:27:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:27:56,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:27:56,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417854454] [2022-12-05 20:27:56,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417854454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:27:56,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:27:56,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:27:56,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292023515] [2022-12-05 20:27:56,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:27:56,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:27:56,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:27:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:27:56,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:27:56,092 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 27 [2022-12-05 20:27:56,093 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:27:56,093 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:27:56,093 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 27 [2022-12-05 20:27:56,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:27:56,505 INFO L130 PetriNetUnfolder]: 1369/2030 cut-off events. [2022-12-05 20:27:56,505 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-05 20:27:56,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4119 conditions, 2030 events. 1369/2030 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9262 event pairs, 336 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 4108. Up to 1766 conditions per place. [2022-12-05 20:27:56,522 INFO L137 encePairwiseOnDemand]: 22/27 looper letters, 35 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2022-12-05 20:27:56,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 38 transitions, 162 flow [2022-12-05 20:27:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:27:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:27:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2022-12-05 20:27:56,531 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-05 20:27:56,532 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 63 flow. Second operand 3 states and 45 transitions. [2022-12-05 20:27:56,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 38 transitions, 162 flow [2022-12-05 20:27:56,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:27:56,536 INFO L231 Difference]: Finished difference. Result has 33 places, 24 transitions, 58 flow [2022-12-05 20:27:56,537 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2022-12-05 20:27:56,540 INFO L294 CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places. [2022-12-05 20:27:56,540 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2022-12-05 20:27:56,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:27:56,541 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:27:56,541 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:27:56,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:27:56,541 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:27:56,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:27:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1386472294, now seen corresponding path program 1 times [2022-12-05 20:27:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:27:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383162338] [2022-12-05 20:27:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:27:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:27:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:27:56,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 20:27:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:27:56,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 20:27:56,604 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 20:27:56,605 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-05 20:27:56,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-05 20:27:56,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-05 20:27:56,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-05 20:27:56,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2022-12-05 20:27:56,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2022-12-05 20:27:56,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-05 20:27:56,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2022-12-05 20:27:56,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:27:56,609 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-05 20:27:56,613 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:27:56,614 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:27:56,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:27:56 BasicIcfg [2022-12-05 20:27:56,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:27:56,670 INFO L158 Benchmark]: Toolchain (without parser) took 16720.22ms. Allocated memory was 175.1MB in the beginning and 771.8MB in the end (delta: 596.6MB). Free memory was 148.0MB in the beginning and 736.2MB in the end (delta: -588.2MB). Peak memory consumption was 470.2MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,671 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:27:56,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.11ms. Allocated memory is still 175.1MB. Free memory was 148.0MB in the beginning and 118.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.82ms. Allocated memory is still 175.1MB. Free memory was 118.2MB in the beginning and 115.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,671 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 175.1MB. Free memory was 115.0MB in the beginning and 111.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,672 INFO L158 Benchmark]: RCFGBuilder took 857.92ms. Allocated memory was 175.1MB in the beginning and 250.6MB in the end (delta: 75.5MB). Free memory was 111.9MB in the beginning and 160.5MB in the end (delta: -48.6MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,672 INFO L158 Benchmark]: TraceAbstraction took 15206.32ms. Allocated memory was 250.6MB in the beginning and 771.8MB in the end (delta: 521.1MB). Free memory was 159.4MB in the beginning and 736.2MB in the end (delta: -576.8MB). Peak memory consumption was 405.0MB. Max. memory is 8.0GB. [2022-12-05 20:27:56,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.11ms. Allocated memory is still 175.1MB. Free memory was 148.0MB in the beginning and 118.2MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.82ms. Allocated memory is still 175.1MB. Free memory was 118.2MB in the beginning and 115.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 175.1MB. Free memory was 115.0MB in the beginning and 111.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 857.92ms. Allocated memory was 175.1MB in the beginning and 250.6MB in the end (delta: 75.5MB). Free memory was 111.9MB in the beginning and 160.5MB in the end (delta: -48.6MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. * TraceAbstraction took 15206.32ms. Allocated memory was 250.6MB in the beginning and 771.8MB in the end (delta: 521.1MB). Free memory was 159.4MB in the beginning and 736.2MB in the end (delta: -576.8MB). Peak memory consumption was 405.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8s, 132 PlacesBefore, 36 PlacesAfterwards, 124 TransitionsBefore, 27 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 57 TrivialYvCompositions, 42 ConcurrentYvCompositions, 1 ChoiceCompositions, 101 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1438, independent: 1383, independent conditional: 1383, independent unconditional: 0, dependent: 55, dependent conditional: 55, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1438, independent: 1383, independent conditional: 0, independent unconditional: 1383, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1438, independent: 1383, independent conditional: 0, independent unconditional: 1383, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1438, independent: 1383, independent conditional: 0, independent unconditional: 1383, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1153, independent: 1114, independent conditional: 0, independent unconditional: 1114, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1153, independent: 1100, independent conditional: 0, independent unconditional: 1100, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 380, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 365, dependent conditional: 0, dependent unconditional: 365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1438, independent: 269, independent conditional: 0, independent unconditional: 269, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1153, unknown conditional: 0, unknown unconditional: 1153] , Statistics on independence cache: Total cache size (in pairs): 1859, Positive cache size: 1820, Positive conditional cache size: 0, Positive unconditional cache size: 1820, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L732] 0 int __unbuffered_p2_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2369; [L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2369, ((void *)0), P0, ((void *)0))=-2, t2369={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L875] 0 pthread_t t2370; [L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2370, ((void *)0), P1, ((void *)0))=-1, t2369={6:0}, t2370={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L791] 2 x$w_buff1 = x$w_buff0 [L792] 2 x$w_buff0 = 1 [L793] 2 x$w_buff1_used = x$w_buff0_used [L794] 2 x$w_buff0_used = (_Bool)1 [L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L800] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L803] 2 x$w_buff1 = x$w_buff0 [L804] 2 x$w_buff0 = 2 [L805] 2 x$w_buff1_used = x$w_buff0_used [L806] 2 x$w_buff0_used = (_Bool)1 [L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=0] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 154 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-05 20:27:56,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...