/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/mix002.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:19:39,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:19:39,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:19:39,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:19:39,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:19:39,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:19:39,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:19:39,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:19:39,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:19:39,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:19:39,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:19:39,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:19:39,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:19:39,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:19:39,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:19:39,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:19:39,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:19:39,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:19:39,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:19:39,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:19:39,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:19:39,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:19:39,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:19:39,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:19:39,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:19:39,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:19:39,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:19:39,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:19:39,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:19:39,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:19:39,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:19:39,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:19:39,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:19:39,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:19:39,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:19:39,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:19:39,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:19:39,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:19:39,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:19:39,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:19:39,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:19:39,299 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 10:19:39,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:19:39,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:19:39,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:19:39,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:19:39,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:19:39,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:19:39,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:19:39,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:19:39,320 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:19:39,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:19:39,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:19:39,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:19:39,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:19:39,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:19:39,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:19:39,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:19:39,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:19:39,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:19:39,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:19:39,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:19:39,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:39,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:19:39,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:19:39,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:19:39,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:19:39,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:19:39,327 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:19:39,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:19:39,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:19:39,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:19:39,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:19:39,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:19:39,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:19:39,599 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:19:39,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002.oepc.i [2022-09-16 10:19:39,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2335a628/7c0a8b17b8304f1d8374151dba8f1901/FLAG57d0a8ebb [2022-09-16 10:19:40,216 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:19:40,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002.oepc.i [2022-09-16 10:19:40,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2335a628/7c0a8b17b8304f1d8374151dba8f1901/FLAG57d0a8ebb [2022-09-16 10:19:40,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2335a628/7c0a8b17b8304f1d8374151dba8f1901 [2022-09-16 10:19:40,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:19:40,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:19:40,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:40,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:19:40,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:19:40,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:40" (1/1) ... [2022-09-16 10:19:40,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4342e858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:40, skipping insertion in model container [2022-09-16 10:19:40,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:40" (1/1) ... [2022-09-16 10:19:40,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:19:40,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:19:40,860 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/mix002.oepc.i[945,958] [2022-09-16 10:19:41,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:41,049 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:19:41,059 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/mix002.oepc.i[945,958] [2022-09-16 10:19:41,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:41,129 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:19:41,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41 WrapperNode [2022-09-16 10:19:41,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:41,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:41,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:19:41,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:19:41,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,207 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 189 [2022-09-16 10:19:41,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:41,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:19:41,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:19:41,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:19:41,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:19:41,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:19:41,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:19:41,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:19:41,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (1/1) ... [2022-09-16 10:19:41,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:41,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:19:41,300 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 10:19:41,326 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 10:19:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:19:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:19:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:19:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:19:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:19:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:19:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:19:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:19:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:19:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:19:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:19:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:19:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:19:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:19:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:19:41,345 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 10:19:41,501 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:19:41,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:19:42,130 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:19:42,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:19:42,461 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:19:42,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:42 BoogieIcfgContainer [2022-09-16 10:19:42,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:19:42,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:19:42,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:19:42,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:19:42,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:19:40" (1/3) ... [2022-09-16 10:19:42,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cabe296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:42, skipping insertion in model container [2022-09-16 10:19:42,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:41" (2/3) ... [2022-09-16 10:19:42,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cabe296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:42, skipping insertion in model container [2022-09-16 10:19:42,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:42" (3/3) ... [2022-09-16 10:19:42,477 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.oepc.i [2022-09-16 10:19:42,486 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:19:42,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:19:42,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:19:42,494 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:19:42,567 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:19:42,609 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 128 transitions, 271 flow [2022-09-16 10:19:44,098 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 45231 states, 45205 states have (on average 3.738745713969694) internal successors, (169010), 45230 states have internal predecessors, (169010), 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 10:19:44,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:19:44,129 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;@64521908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:19:44,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:19:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 45231 states, 45205 states have (on average 3.738745713969694) internal successors, (169010), 45230 states have internal predecessors, (169010), 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 10:19:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-09-16 10:19:44,261 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:44,262 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] [2022-09-16 10:19:44,263 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 10:19:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:44,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1439291228, now seen corresponding path program 1 times [2022-09-16 10:19:44,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:44,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110787835] [2022-09-16 10:19:44,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:44,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:44,575 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 10:19:44,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:44,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110787835] [2022-09-16 10:19:44,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110787835] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:44,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:44,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:19:44,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071478571] [2022-09-16 10:19:44,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:44,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:19:44,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:44,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:19:44,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:19:44,742 INFO L87 Difference]: Start difference. First operand has 45231 states, 45205 states have (on average 3.738745713969694) internal successors, (169010), 45230 states have internal predecessors, (169010), 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 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 10:19:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:45,571 INFO L93 Difference]: Finished difference Result 33862 states and 121631 transitions. [2022-09-16 10:19:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:19:45,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2022-09-16 10:19:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:45,969 INFO L225 Difference]: With dead ends: 33862 [2022-09-16 10:19:45,970 INFO L226 Difference]: Without dead ends: 33862 [2022-09-16 10:19:45,972 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 10:19:45,978 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 53 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 170 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 10:19:45,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 170 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33862 states. [2022-09-16 10:19:47,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33862 to 33862. [2022-09-16 10:19:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33862 states, 33808 states have (on average 3.597698769522007) internal successors, (121631), 33861 states have internal predecessors, (121631), 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 10:19:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33862 states to 33862 states and 121631 transitions. [2022-09-16 10:19:47,849 INFO L78 Accepts]: Start accepts. Automaton has 33862 states and 121631 transitions. Word has length 55 [2022-09-16 10:19:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:47,852 INFO L495 AbstractCegarLoop]: Abstraction has 33862 states and 121631 transitions. [2022-09-16 10:19:47,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 10:19:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 33862 states and 121631 transitions. [2022-09-16 10:19:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-09-16 10:19:47,863 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:47,864 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] [2022-09-16 10:19:47,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:19:47,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:47,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2088049762, now seen corresponding path program 1 times [2022-09-16 10:19:47,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:47,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448753354] [2022-09-16 10:19:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:47,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:47,975 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 10:19:47,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:47,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448753354] [2022-09-16 10:19:47,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448753354] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:47,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:47,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:47,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162844331] [2022-09-16 10:19:47,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:47,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:47,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:47,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:47,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:47,980 INFO L87 Difference]: Start difference. First operand 33862 states and 121631 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 10:19:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:48,565 INFO L93 Difference]: Finished difference Result 30400 states and 108013 transitions. [2022-09-16 10:19:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:48,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2022-09-16 10:19:48,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:48,764 INFO L225 Difference]: With dead ends: 30400 [2022-09-16 10:19:48,765 INFO L226 Difference]: Without dead ends: 30400 [2022-09-16 10:19:48,768 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 10:19:48,769 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 154 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 228 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 10:19:48,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 228 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:48,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30400 states. [2022-09-16 10:19:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30400 to 29590. [2022-09-16 10:19:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29590 states, 29563 states have (on average 3.5906369448296855) internal successors, (106150), 29589 states have internal predecessors, (106150), 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 10:19:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29590 states to 29590 states and 106150 transitions. [2022-09-16 10:19:50,128 INFO L78 Accepts]: Start accepts. Automaton has 29590 states and 106150 transitions. Word has length 68 [2022-09-16 10:19:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:50,133 INFO L495 AbstractCegarLoop]: Abstraction has 29590 states and 106150 transitions. [2022-09-16 10:19:50,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 10:19:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 29590 states and 106150 transitions. [2022-09-16 10:19:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-09-16 10:19:50,136 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:50,136 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] [2022-09-16 10:19:50,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:19:50,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2088049763, now seen corresponding path program 1 times [2022-09-16 10:19:50,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:50,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49537784] [2022-09-16 10:19:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:50,238 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 10:19:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49537784] [2022-09-16 10:19:50,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49537784] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:50,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:50,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498910063] [2022-09-16 10:19:50,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:50,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:50,241 INFO L87 Difference]: Start difference. First operand 29590 states and 106150 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 10:19:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:50,474 INFO L93 Difference]: Finished difference Result 25048 states and 89958 transitions. [2022-09-16 10:19:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:50,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2022-09-16 10:19:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:50,787 INFO L225 Difference]: With dead ends: 25048 [2022-09-16 10:19:50,787 INFO L226 Difference]: Without dead ends: 25048 [2022-09-16 10:19:50,789 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 10:19:50,794 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 109 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 313 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 10:19:50,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 313 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:50,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25048 states. [2022-09-16 10:19:51,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25048 to 25048. [2022-09-16 10:19:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25048 states, 25039 states have (on average 3.59271536403211) internal successors, (89958), 25047 states have internal predecessors, (89958), 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 10:19:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25048 states to 25048 states and 89958 transitions. [2022-09-16 10:19:51,552 INFO L78 Accepts]: Start accepts. Automaton has 25048 states and 89958 transitions. Word has length 68 [2022-09-16 10:19:51,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:51,553 INFO L495 AbstractCegarLoop]: Abstraction has 25048 states and 89958 transitions. [2022-09-16 10:19:51,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 10:19:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 25048 states and 89958 transitions. [2022-09-16 10:19:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-09-16 10:19:51,576 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:51,576 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, 1, 1, 1, 1, 1] [2022-09-16 10:19:51,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:19:51,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:51,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:51,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1942224083, now seen corresponding path program 1 times [2022-09-16 10:19:51,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:51,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072407889] [2022-09-16 10:19:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:51,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:51,878 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 10:19:51,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:51,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072407889] [2022-09-16 10:19:51,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072407889] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:51,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:51,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:19:51,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606264703] [2022-09-16 10:19:51,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:51,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:19:51,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:51,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:19:51,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:19:51,881 INFO L87 Difference]: Start difference. First operand 25048 states and 89958 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 10:19:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:52,111 INFO L93 Difference]: Finished difference Result 24238 states and 87285 transitions. [2022-09-16 10:19:52,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:19:52,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2022-09-16 10:19:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:52,113 INFO L225 Difference]: With dead ends: 24238 [2022-09-16 10:19:52,113 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:19:52,113 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 10:19:52,114 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 303 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:52,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 225 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:19:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:19:52,119 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 10:19:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:19:52,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-09-16 10:19:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:52,120 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:19:52,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 10:19:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:19:52,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:19:52,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:19:52,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:19:52,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:19:52,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:19:52,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:19:52,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:19:52,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:19:52,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:19:52,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:19:52,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:19:52,133 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:19:52,138 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:19:52,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:19:52,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:19:52 BasicIcfg [2022-09-16 10:19:52,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:19:52,144 INFO L158 Benchmark]: Toolchain (without parser) took 11489.79ms. Allocated memory was 237.0MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 208.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 784.0MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,144 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:19:52,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 237.0MB. Free memory was 207.6MB in the beginning and 193.6MB in the end (delta: 14.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.90ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 190.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,145 INFO L158 Benchmark]: Boogie Preprocessor took 54.43ms. Allocated memory is still 237.0MB. Free memory was 190.9MB in the beginning and 188.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,145 INFO L158 Benchmark]: RCFGBuilder took 1199.82ms. Allocated memory is still 237.0MB. Free memory was 188.3MB in the beginning and 200.7MB in the end (delta: -12.4MB). Peak memory consumption was 107.7MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,145 INFO L158 Benchmark]: TraceAbstraction took 9676.82ms. Allocated memory was 237.0MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 200.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 776.6MB. Max. memory is 8.0GB. [2022-09-16 10:19:52,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 237.0MB. Free memory was 207.6MB in the beginning and 193.6MB in the end (delta: 14.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.90ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 190.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.43ms. Allocated memory is still 237.0MB. Free memory was 190.9MB in the beginning and 188.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1199.82ms. Allocated memory is still 237.0MB. Free memory was 188.3MB in the beginning and 200.7MB in the end (delta: -12.4MB). Peak memory consumption was 107.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9676.82ms. Allocated memory was 237.0MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 200.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 776.6MB. 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: 781]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 781]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 840]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 840]: 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, 164 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 619 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 619 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 468 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=45231occurred 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: 4.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 740 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 10:19:52,191 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...