./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix011.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix011.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf5c730233935847a217c1b7e035f48702f966e69335bdca03afb3b42404d05c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:38:25,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:38:25,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:38:25,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:38:25,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:38:25,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:38:25,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:38:25,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:38:25,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:38:25,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:38:25,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:38:25,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:38:25,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:38:25,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:38:25,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:38:25,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:38:25,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:38:25,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:38:25,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:38:25,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:38:25,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:38:25,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:38:25,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:38:25,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:38:25,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:38:25,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:38:25,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:38:25,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:38:25,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:38:25,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:38:25,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:38:25,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:38:25,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:38:25,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:38:25,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:38:25,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:38:25,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:38:25,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:38:25,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:38:25,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:38:25,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:38:25,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:38:25,647 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:38:25,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:38:25,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:38:25,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:38:25,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:38:25,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:38:25,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:38:25,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:38:25,651 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:38:25,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:38:25,652 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:38:25,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:38:25,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:38:25,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:38:25,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:38:25,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:38:25,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:38:25,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:38:25,653 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:38:25,654 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:38:25,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:38:25,654 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:38:25,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:38:25,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:38:25,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:38:25,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:38:25,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:38:25,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:38:25,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:38:25,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:38:25,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:38:25,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:38:25,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:38:25,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:38:25,657 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:38:25,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:38:25,657 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:38:25,657 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf5c730233935847a217c1b7e035f48702f966e69335bdca03afb3b42404d05c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:38:25,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:38:25,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:38:25,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:38:25,991 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:38:25,991 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:38:25,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011.opt.i [2023-08-30 08:38:27,093 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:38:27,353 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:38:27,354 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011.opt.i [2023-08-30 08:38:27,365 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2914081c3/126fe5b129b64640869cd860570a002e/FLAG7d34c5fac [2023-08-30 08:38:27,379 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2914081c3/126fe5b129b64640869cd860570a002e [2023-08-30 08:38:27,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:38:27,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:38:27,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:38:27,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:38:27,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:38:27,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:27,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10227c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27, skipping insertion in model container [2023-08-30 08:38:27,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:27,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:38:27,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:38:27,587 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011.opt.i[944,957] [2023-08-30 08:38:27,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:38:27,812 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:38:27,829 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011.opt.i[944,957] [2023-08-30 08:38:27,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:38:27,952 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:38:27,953 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:38:27,959 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:38:27,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27 WrapperNode [2023-08-30 08:38:27,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:38:27,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:38:27,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:38:27,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:38:27,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,030 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2023-08-30 08:38:28,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:38:28,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:38:28,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:38:28,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:38:28,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:38:28,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:38:28,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:38:28,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:38:28,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (1/1) ... [2023-08-30 08:38:28,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:38:28,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:38:28,093 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) [2023-08-30 08:38:28,097 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 [2023-08-30 08:38:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:38:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:38:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:38:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:38:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:38:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:38:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:38:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:38:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:38:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 08:38:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 08:38:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:38:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:38:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:38:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:38:28,139 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 08:38:28,332 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:38:28,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:38:28,704 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:38:28,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:38:28,837 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:38:28,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:38:28 BoogieIcfgContainer [2023-08-30 08:38:28,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:38:28,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:38:28,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:38:28,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:38:28,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:38:27" (1/3) ... [2023-08-30 08:38:28,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7ff1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:38:28, skipping insertion in model container [2023-08-30 08:38:28,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:38:27" (2/3) ... [2023-08-30 08:38:28,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7ff1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:38:28, skipping insertion in model container [2023-08-30 08:38:28,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:38:28" (3/3) ... [2023-08-30 08:38:28,846 INFO L112 eAbstractionObserver]: Analyzing ICFG mix011.opt.i [2023-08-30 08:38:28,853 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:38:28,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:38:28,861 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 08:38:28,861 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:38:28,907 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:38:28,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 116 transitions, 247 flow [2023-08-30 08:38:29,010 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2023-08-30 08:38:29,011 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:38:29,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2023-08-30 08:38:29,017 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 116 transitions, 247 flow [2023-08-30 08:38:29,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 113 transitions, 235 flow [2023-08-30 08:38:29,030 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:38:29,041 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 113 transitions, 235 flow [2023-08-30 08:38:29,045 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 113 transitions, 235 flow [2023-08-30 08:38:29,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 235 flow [2023-08-30 08:38:29,082 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2023-08-30 08:38:29,084 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:38:29,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2023-08-30 08:38:29,088 INFO L119 LiptonReduction]: Number of co-enabled transitions 2452 [2023-08-30 08:38:32,432 INFO L134 LiptonReduction]: Checked pairs total: 7302 [2023-08-30 08:38:32,432 INFO L136 LiptonReduction]: Total number of compositions: 93 [2023-08-30 08:38:32,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:38:32,449 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=true, 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;@624bb94c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:38:32,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-30 08:38:32,453 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 08:38:32,453 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:38:32,453 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:38:32,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:38:32,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:38:32,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:38:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 501927886, now seen corresponding path program 1 times [2023-08-30 08:38:32,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:38:32,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935757015] [2023-08-30 08:38:32,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:38:32,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:38:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:38:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:38:32,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:38:32,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935757015] [2023-08-30 08:38:32,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935757015] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:38:32,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:38:32,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:38:32,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690199516] [2023-08-30 08:38:32,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:38:32,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:38:32,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:38:32,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:38:32,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:38:32,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 209 [2023-08-30 08:38:32,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2023-08-30 08:38:32,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:38:32,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 209 [2023-08-30 08:38:32,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:38:33,113 INFO L130 PetriNetUnfolder]: 1331/2013 cut-off events. [2023-08-30 08:38:33,114 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-30 08:38:33,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 2013 events. 1331/2013 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9782 event pairs, 1331 based on Foata normal form. 0/1614 useless extension candidates. Maximal degree in co-relation 4029. Up to 1964 conditions per place. [2023-08-30 08:38:33,130 INFO L137 encePairwiseOnDemand]: 205/209 looper letters, 21 selfloop transitions, 1 changer transitions 0/24 dead transitions. [2023-08-30 08:38:33,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 24 transitions, 101 flow [2023-08-30 08:38:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:38:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:38:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2023-08-30 08:38:33,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4944178628389155 [2023-08-30 08:38:33,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2023-08-30 08:38:33,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2023-08-30 08:38:33,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:38:33,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2023-08-30 08:38:33,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2023-08-30 08:38:33,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-08-30 08:38:33,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-08-30 08:38:33,166 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 310 transitions. [2023-08-30 08:38:33,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 24 transitions, 101 flow [2023-08-30 08:38:33,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 24 transitions, 98 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:38:33,171 INFO L231 Difference]: Finished difference. Result has 33 places, 24 transitions, 56 flow [2023-08-30 08:38:33,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2023-08-30 08:38:33,176 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -4 predicate places. [2023-08-30 08:38:33,177 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 56 flow [2023-08-30 08:38:33,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2023-08-30 08:38:33,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:38:33,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:38:33,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:38:33,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:38:33,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:38:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash 501927887, now seen corresponding path program 1 times [2023-08-30 08:38:33,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:38:33,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909970476] [2023-08-30 08:38:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:38:33,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:38:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:38:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:38:33,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:38:33,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909970476] [2023-08-30 08:38:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909970476] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:38:33,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:38:33,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:38:33,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940188854] [2023-08-30 08:38:33,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:38:33,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:38:33,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:38:33,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:38:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:38:33,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 209 [2023-08-30 08:38:33,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2023-08-30 08:38:33,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:38:33,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 209 [2023-08-30 08:38:33,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:38:33,455 INFO L130 PetriNetUnfolder]: 828/1298 cut-off events. [2023-08-30 08:38:33,455 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:38:33,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2617 conditions, 1298 events. 828/1298 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5699 event pairs, 275 based on Foata normal form. 0/1169 useless extension candidates. Maximal degree in co-relation 2611. Up to 878 conditions per place. [2023-08-30 08:38:33,472 INFO L137 encePairwiseOnDemand]: 202/209 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-08-30 08:38:33,473 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 172 flow [2023-08-30 08:38:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:38:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:38:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2023-08-30 08:38:33,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215311004784688 [2023-08-30 08:38:33,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2023-08-30 08:38:33,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2023-08-30 08:38:33,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:38:33,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2023-08-30 08:38:33,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2023-08-30 08:38:33,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-08-30 08:38:33,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-08-30 08:38:33,479 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 56 flow. Second operand 3 states and 327 transitions. [2023-08-30 08:38:33,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 172 flow [2023-08-30 08:38:33,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 171 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:38:33,481 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 85 flow [2023-08-30 08:38:33,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2023-08-30 08:38:33,482 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-08-30 08:38:33,482 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 85 flow [2023-08-30 08:38:33,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2023-08-30 08:38:33,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:38:33,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:38:33,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:38:33,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:38:33,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:38:33,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1831212315, now seen corresponding path program 1 times [2023-08-30 08:38:33,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:38:33,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198089891] [2023-08-30 08:38:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:38:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:38:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:38:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:38:33,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:38:33,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198089891] [2023-08-30 08:38:33,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198089891] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:38:33,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:38:33,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:38:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486009024] [2023-08-30 08:38:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:38:33,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:38:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:38:33,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:38:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:38:33,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 209 [2023-08-30 08:38:33,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 85 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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) [2023-08-30 08:38:33,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:38:33,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 209 [2023-08-30 08:38:33,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:38:33,805 INFO L130 PetriNetUnfolder]: 663/1037 cut-off events. [2023-08-30 08:38:33,805 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2023-08-30 08:38:33,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2485 conditions, 1037 events. 663/1037 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4294 event pairs, 247 based on Foata normal form. 0/1016 useless extension candidates. Maximal degree in co-relation 2477. Up to 436 conditions per place. [2023-08-30 08:38:33,811 INFO L137 encePairwiseOnDemand]: 202/209 looper letters, 44 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-08-30 08:38:33,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 56 transitions, 263 flow [2023-08-30 08:38:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:38:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:38:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 437 transitions. [2023-08-30 08:38:33,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5227272727272727 [2023-08-30 08:38:33,814 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 437 transitions. [2023-08-30 08:38:33,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 437 transitions. [2023-08-30 08:38:33,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:38:33,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 437 transitions. [2023-08-30 08:38:33,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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) [2023-08-30 08:38:33,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 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) [2023-08-30 08:38:33,818 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 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) [2023-08-30 08:38:33,818 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 85 flow. Second operand 4 states and 437 transitions. [2023-08-30 08:38:33,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 56 transitions, 263 flow [2023-08-30 08:38:33,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 56 transitions, 259 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:38:33,820 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 107 flow [2023-08-30 08:38:33,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=107, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-08-30 08:38:33,821 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-08-30 08:38:33,821 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 107 flow [2023-08-30 08:38:33,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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) [2023-08-30 08:38:33,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:38:33,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:38:33,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:38:33,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:38:33,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:38:33,822 INFO L85 PathProgramCache]: Analyzing trace with hash 218196584, now seen corresponding path program 1 times [2023-08-30 08:38:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:38:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049161523] [2023-08-30 08:38:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:38:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:38:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:38:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:38:33,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:38:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049161523] [2023-08-30 08:38:33,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049161523] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:38:33,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:38:33,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:38:33,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762825396] [2023-08-30 08:38:33,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:38:33,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:38:33,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:38:33,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:38:33,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:38:33,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 209 [2023-08-30 08:38:33,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 98.2) internal successors, (491), 5 states have internal predecessors, (491), 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) [2023-08-30 08:38:33,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:38:33,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 209 [2023-08-30 08:38:33,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:38:34,176 INFO L130 PetriNetUnfolder]: 643/1001 cut-off events. [2023-08-30 08:38:34,176 INFO L131 PetriNetUnfolder]: For 744/744 co-relation queries the response was YES. [2023-08-30 08:38:34,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 1001 events. 643/1001 cut-off events. For 744/744 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4151 event pairs, 247 based on Foata normal form. 12/1004 useless extension candidates. Maximal degree in co-relation 2549. Up to 436 conditions per place. [2023-08-30 08:38:34,179 INFO L137 encePairwiseOnDemand]: 202/209 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-08-30 08:38:34,179 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 243 flow [2023-08-30 08:38:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:38:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:38:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 526 transitions. [2023-08-30 08:38:34,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5033492822966508 [2023-08-30 08:38:34,181 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 526 transitions. [2023-08-30 08:38:34,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 526 transitions. [2023-08-30 08:38:34,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:38:34,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 526 transitions. [2023-08-30 08:38:34,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.2) internal successors, (526), 5 states have internal predecessors, (526), 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) [2023-08-30 08:38:34,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 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) [2023-08-30 08:38:34,186 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 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) [2023-08-30 08:38:34,186 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 107 flow. Second operand 5 states and 526 transitions. [2023-08-30 08:38:34,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 243 flow [2023-08-30 08:38:34,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 219 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-30 08:38:34,189 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-08-30 08:38:34,189 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-08-30 08:38:34,190 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-08-30 08:38:34,190 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-08-30 08:38:34,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.2) internal successors, (491), 5 states have internal predecessors, (491), 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) [2023-08-30 08:38:34,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-08-30 08:38:34,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-08-30 08:38:34,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-08-30 08:38:34,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-08-30 08:38:34,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-08-30 08:38:34,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-08-30 08:38:34,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-30 08:38:34,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-08-30 08:38:34,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-08-30 08:38:34,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-08-30 08:38:34,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-08-30 08:38:34,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-08-30 08:38:34,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-08-30 08:38:34,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-08-30 08:38:34,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-08-30 08:38:34,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:38:34,196 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 08:38:34,200 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:38:34,200 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:38:34,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:38:34 BasicIcfg [2023-08-30 08:38:34,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:38:34,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:38:34,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:38:34,204 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:38:34,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:38:28" (3/4) ... [2023-08-30 08:38:34,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:38:34,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:38:34,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:38:34,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 08:38:34,220 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-30 08:38:34,221 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 08:38:34,221 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:38:34,221 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:38:34,252 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:38:34,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:38:34,253 INFO L158 Benchmark]: Toolchain (without parser) took 6869.82ms. Allocated memory was 73.4MB in the beginning and 140.5MB in the end (delta: 67.1MB). Free memory was 49.2MB in the beginning and 71.8MB in the end (delta: -22.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,253 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 54.5MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:38:34,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.70ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.51ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,254 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,254 INFO L158 Benchmark]: RCFGBuilder took 780.94ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 39.6MB in the end (delta: -1.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,255 INFO L158 Benchmark]: TraceAbstraction took 5362.25ms. Allocated memory was 73.4MB in the beginning and 140.5MB in the end (delta: 67.1MB). Free memory was 39.2MB in the beginning and 75.0MB in the end (delta: -35.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,255 INFO L158 Benchmark]: Witness Printer took 48.64ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:38:34,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 54.5MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.70ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 43.5MB in the end (delta: 5.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.51ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 40.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.94ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 39.6MB in the end (delta: -1.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5362.25ms. Allocated memory was 73.4MB in the beginning and 140.5MB in the end (delta: 67.1MB). Free memory was 39.2MB in the beginning and 75.0MB in the end (delta: -35.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 48.64ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 121 PlacesBefore, 37 PlacesAfterwards, 113 TransitionsBefore, 27 TransitionsAfterwards, 2452 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 93 TotalNumberOfCompositions, 7302 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3070, independent: 2839, independent conditional: 0, independent unconditional: 2839, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1322, independent: 1280, independent conditional: 0, independent unconditional: 1280, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3070, independent: 1559, independent conditional: 0, independent unconditional: 1559, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 1322, unknown conditional: 0, unknown unconditional: 1322] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 149 locations, 15 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: 5.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 7 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 08:38:34,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE