/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:29:44,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:29:44,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:29:44,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:29:44,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:29:44,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:29:44,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:29:44,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:29:44,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:29:44,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:29:44,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:29:44,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:29:44,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:29:44,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:29:44,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:29:44,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:29:44,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:29:44,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:29:44,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:29:44,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:29:44,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:29:44,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:29:44,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:29:44,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:29:44,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:29:44,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:29:44,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:29:44,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:29:44,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:29:44,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:29:44,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:29:44,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:29:44,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:29:44,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:29:44,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:29:44,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:29:44,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:29:44,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:29:44,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:29:44,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:29:44,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:29:44,463 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-FA-NoLbe.epf [2022-09-16 10:29:44,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:29:44,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:29:44,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:29:44,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:29:44,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:29:44,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:29:44,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:29:44,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:29:44,495 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:29:44,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:29:44,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:29:44,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:29:44,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:29:44,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:29:44,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:44,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:29:44,499 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:29:44,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:29:44,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:29:44,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:29:44,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:29:44,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:29:44,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:29:44,779 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:29:44,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i [2022-09-16 10:29:44,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008161c06/412ab584c38f45b48911f910a942e8b1/FLAG57deeba21 [2022-09-16 10:29:45,387 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:29:45,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i [2022-09-16 10:29:45,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008161c06/412ab584c38f45b48911f910a942e8b1/FLAG57deeba21 [2022-09-16 10:29:45,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008161c06/412ab584c38f45b48911f910a942e8b1 [2022-09-16 10:29:45,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:29:45,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:29:45,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:45,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:29:45,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:29:45,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:45" (1/1) ... [2022-09-16 10:29:45,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ee3227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:45, skipping insertion in model container [2022-09-16 10:29:45,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:45" (1/1) ... [2022-09-16 10:29:45,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:29:45,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:29:45,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i[949,962] [2022-09-16 10:29:46,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:46,075 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:29:46,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i[949,962] [2022-09-16 10:29:46,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:46,157 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:29:46,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46 WrapperNode [2022-09-16 10:29:46,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:46,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:46,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:29:46,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:29:46,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,242 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 279 [2022-09-16 10:29:46,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:46,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:29:46,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:29:46,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:29:46,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:29:46,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:29:46,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:29:46,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:29:46,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (1/1) ... [2022-09-16 10:29:46,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:29:46,353 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) [2022-09-16 10:29:46,363 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 [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:29:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:29:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:29:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:29:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:29:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:29:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:29:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:29:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:29:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:29:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:29:46,404 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:29:46,549 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:29:46,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:29:47,145 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:29:47,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:29:47,523 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:29:47,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:47 BoogieIcfgContainer [2022-09-16 10:29:47,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:29:47,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:29:47,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:29:47,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:29:47,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:29:45" (1/3) ... [2022-09-16 10:29:47,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f260bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:47, skipping insertion in model container [2022-09-16 10:29:47,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:46" (2/3) ... [2022-09-16 10:29:47,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f260bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:47, skipping insertion in model container [2022-09-16 10:29:47,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:47" (3/3) ... [2022-09-16 10:29:47,534 INFO L112 eAbstractionObserver]: Analyzing ICFG mix038_tso.oepc.i [2022-09-16 10:29:47,542 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:29:47,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:29:47,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:29:47,552 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:29:47,610 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:29:47,654 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 123 transitions, 261 flow [2022-09-16 10:29:49,037 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37178 states, 37152 states have (on average 3.7204726528854435) internal successors, (138223), 37177 states have internal predecessors, (138223), 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) [2022-09-16 10:29:49,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:29:49,065 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=FINITE_AUTOMATA, 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;@1ed6e05e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:29:49,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:29:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 37178 states, 37152 states have (on average 3.7204726528854435) internal successors, (138223), 37177 states have internal predecessors, (138223), 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) [2022-09-16 10:29:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:29:49,316 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:49,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:49,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:29:49,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:49,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1139999473, now seen corresponding path program 1 times [2022-09-16 10:29:49,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:49,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586289237] [2022-09-16 10:29:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:29:49,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:49,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586289237] [2022-09-16 10:29:49,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586289237] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:49,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:49,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:29:49,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124193022] [2022-09-16 10:29:49,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:49,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:29:49,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:49,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:29:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:49,725 INFO L87 Difference]: Start difference. First operand has 37178 states, 37152 states have (on average 3.7204726528854435) internal successors, (138223), 37177 states have internal predecessors, (138223), 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) Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-09-16 10:29:50,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:50,445 INFO L93 Difference]: Finished difference Result 27843 states and 99339 transitions. [2022-09-16 10:29:50,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:29:50,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) Word has length 50 [2022-09-16 10:29:50,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:50,829 INFO L225 Difference]: With dead ends: 27843 [2022-09-16 10:29:50,829 INFO L226 Difference]: Without dead ends: 27843 [2022-09-16 10:29:50,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:50,840 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:50,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 163 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27843 states. [2022-09-16 10:29:52,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27843 to 27843. [2022-09-16 10:29:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27843 states, 27789 states have (on average 3.574759797041995) internal successors, (99339), 27842 states have internal predecessors, (99339), 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) [2022-09-16 10:29:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27843 states to 27843 states and 99339 transitions. [2022-09-16 10:29:52,748 INFO L78 Accepts]: Start accepts. Automaton has 27843 states and 99339 transitions. Word has length 50 [2022-09-16 10:29:52,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:52,750 INFO L495 AbstractCegarLoop]: Abstraction has 27843 states and 99339 transitions. [2022-09-16 10:29:52,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-09-16 10:29:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 27843 states and 99339 transitions. [2022-09-16 10:29:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:29:52,762 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:52,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:52,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:29:52,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:29:52,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:52,763 INFO L85 PathProgramCache]: Analyzing trace with hash 920256714, now seen corresponding path program 1 times [2022-09-16 10:29:52,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:52,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772247413] [2022-09-16 10:29:52,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:52,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:29:52,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:52,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772247413] [2022-09-16 10:29:52,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772247413] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:52,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:52,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:29:52,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313673784] [2022-09-16 10:29:52,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:52,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:29:52,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:29:52,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:52,883 INFO L87 Difference]: Start difference. First operand 27843 states and 99339 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-09-16 10:29:53,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:53,419 INFO L93 Difference]: Finished difference Result 24741 states and 87029 transitions. [2022-09-16 10:29:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:29:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) Word has length 62 [2022-09-16 10:29:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:53,584 INFO L225 Difference]: With dead ends: 24741 [2022-09-16 10:29:53,584 INFO L226 Difference]: Without dead ends: 24741 [2022-09-16 10:29:53,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:53,589 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 159 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:53,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 219 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24741 states. [2022-09-16 10:29:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24741 to 23931. [2022-09-16 10:29:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23931 states, 23904 states have (on average 3.562834672021419) internal successors, (85166), 23930 states have internal predecessors, (85166), 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) [2022-09-16 10:29:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23931 states to 23931 states and 85166 transitions. [2022-09-16 10:29:54,715 INFO L78 Accepts]: Start accepts. Automaton has 23931 states and 85166 transitions. Word has length 62 [2022-09-16 10:29:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:54,723 INFO L495 AbstractCegarLoop]: Abstraction has 23931 states and 85166 transitions. [2022-09-16 10:29:54,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-09-16 10:29:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 23931 states and 85166 transitions. [2022-09-16 10:29:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:29:54,726 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:54,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:54,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:29:54,727 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:29:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash 920256715, now seen corresponding path program 1 times [2022-09-16 10:29:54,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:54,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031631214] [2022-09-16 10:29:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:54,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:29:54,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:54,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031631214] [2022-09-16 10:29:54,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031631214] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:54,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:54,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:29:54,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556589421] [2022-09-16 10:29:54,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:54,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:29:54,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:29:54,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:54,882 INFO L87 Difference]: Start difference. First operand 23931 states and 85166 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-09-16 10:29:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:55,289 INFO L93 Difference]: Finished difference Result 19749 states and 70282 transitions. [2022-09-16 10:29:55,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:29:55,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) Word has length 62 [2022-09-16 10:29:55,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:55,413 INFO L225 Difference]: With dead ends: 19749 [2022-09-16 10:29:55,413 INFO L226 Difference]: Without dead ends: 19749 [2022-09-16 10:29:55,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:55,414 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 108 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:55,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 299 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19749 states. [2022-09-16 10:29:56,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19749 to 19749. [2022-09-16 10:29:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19749 states, 19740 states have (on average 3.5603850050658563) internal successors, (70282), 19748 states have internal predecessors, (70282), 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) [2022-09-16 10:29:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19749 states to 19749 states and 70282 transitions. [2022-09-16 10:29:56,558 INFO L78 Accepts]: Start accepts. Automaton has 19749 states and 70282 transitions. Word has length 62 [2022-09-16 10:29:56,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:56,559 INFO L495 AbstractCegarLoop]: Abstraction has 19749 states and 70282 transitions. [2022-09-16 10:29:56,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-09-16 10:29:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 19749 states and 70282 transitions. [2022-09-16 10:29:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:29:56,578 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:56,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:29:56,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:29:56,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:29:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash -20025557, now seen corresponding path program 1 times [2022-09-16 10:29:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:56,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958577669] [2022-09-16 10:29:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:29:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:56,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958577669] [2022-09-16 10:29:56,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958577669] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:56,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:56,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:29:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378555742] [2022-09-16 10:29:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:56,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:29:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:56,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:29:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:29:56,688 INFO L87 Difference]: Start difference. First operand 19749 states and 70282 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2022-09-16 10:29:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:56,892 INFO L93 Difference]: Finished difference Result 18939 states and 67609 transitions. [2022-09-16 10:29:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:29:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) Word has length 76 [2022-09-16 10:29:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:56,894 INFO L225 Difference]: With dead ends: 18939 [2022-09-16 10:29:56,894 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:29:56,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:29:56,901 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 241 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:56,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 216 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:29:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:29:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-09-16 10:29:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:29:56,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-09-16 10:29:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:56,905 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:29:56,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2022-09-16 10:29:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:29:56,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:29:56,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:29:56,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:29:56,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:29:56,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:29:56,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:29:56,915 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:29:56,920 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:29:56,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:29:56,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:29:56 BasicIcfg [2022-09-16 10:29:56,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:29:56,925 INFO L158 Benchmark]: Toolchain (without parser) took 11238.43ms. Allocated memory was 242.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 214.0MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 665.7MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,925 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 169.9MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:29:56,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.33ms. Allocated memory is still 242.2MB. Free memory was 213.5MB in the beginning and 199.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.18ms. Allocated memory is still 242.2MB. Free memory was 199.6MB in the beginning and 196.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,925 INFO L158 Benchmark]: Boogie Preprocessor took 63.86ms. Allocated memory is still 242.2MB. Free memory was 196.4MB in the beginning and 194.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,926 INFO L158 Benchmark]: RCFGBuilder took 1216.85ms. Allocated memory is still 242.2MB. Free memory was 194.3MB in the beginning and 199.4MB in the end (delta: -5.0MB). Peak memory consumption was 101.4MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,926 INFO L158 Benchmark]: TraceAbstraction took 9396.68ms. Allocated memory was 242.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 198.8MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 651.0MB. Max. memory is 8.0GB. [2022-09-16 10:29:56,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 169.9MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.33ms. Allocated memory is still 242.2MB. Free memory was 213.5MB in the beginning and 199.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 84.18ms. Allocated memory is still 242.2MB. Free memory was 199.6MB in the beginning and 196.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.86ms. Allocated memory is still 242.2MB. Free memory was 196.4MB in the beginning and 194.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1216.85ms. Allocated memory is still 242.2MB. Free memory was 194.3MB in the beginning and 199.4MB in the end (delta: -5.0MB). Peak memory consumption was 101.4MB. Max. memory is 8.0GB. * TraceAbstraction took 9396.68ms. Allocated memory was 242.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 198.8MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 651.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: 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, 157 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 561 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 561 mSDsluCounter, 897 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 506 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 446 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37178occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 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! [2022-09-16 10:29:56,971 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...