/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-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/safe013_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:34:47,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:34:47,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:34:47,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:34:47,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:34:47,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:34:47,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:34:47,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:34:47,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:34:47,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:34:47,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:34:47,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:34:47,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:34:47,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:34:47,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:34:47,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:34:47,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:34:47,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:34:47,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:34:47,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:34:47,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:34:47,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:34:47,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:34:47,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:34:47,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:34:47,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:34:47,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:34:47,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:34:47,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:34:47,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 11:34:47,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 11:34:47,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 11:34:47,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 11:34:47,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 11:34:47,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 11:34:47,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 11:34:47,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 11:34:47,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 11:34:47,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:34:47,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:34:47,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:34:47,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-16 11:34:47,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:34:47,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:34:47,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:34:47,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:34:47,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:34:47,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:34:47,301 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:34:47,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:34:47,301 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:34:47,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:34:47,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:34:47,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:34:47,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:34:47,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:34:47,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:34:47,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:34:47,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:34:47,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:34:47,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:34:47,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:34:47,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:34:47,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:34:47,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:34:47,306 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:34:47,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:34:47,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:34:47,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:34:47,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:34:47,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:34:47,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:34:47,573 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:34:47,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2022-09-16 11:34:47,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38c4654f/6532ab3fa5454e0eb5b2171e24d4f341/FLAG7bef0687f [2022-09-16 11:34:48,105 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:34:48,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2022-09-16 11:34:48,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38c4654f/6532ab3fa5454e0eb5b2171e24d4f341/FLAG7bef0687f [2022-09-16 11:34:48,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38c4654f/6532ab3fa5454e0eb5b2171e24d4f341 [2022-09-16 11:34:48,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:34:48,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:34:48,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:34:48,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:34:48,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:34:48,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:48,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95efb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48, skipping insertion in model container [2022-09-16 11:34:48,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:48,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:34:48,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:34:48,675 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/safe013_tso.i[945,958] [2022-09-16 11:34:48,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:34:48,890 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:34:48,903 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/safe013_tso.i[945,958] [2022-09-16 11:34:48,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:34:48,994 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:34:48,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48 WrapperNode [2022-09-16 11:34:48,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:34:48,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:34:48,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:34:48,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:34:49,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,071 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-09-16 11:34:49,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:34:49,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:34:49,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:34:49,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:34:49,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:34:49,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:34:49,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:34:49,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:34:49,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (1/1) ... [2022-09-16 11:34:49,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:34:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:34:49,177 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 11:34:49,199 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 11:34:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:34:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:34:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:34:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:34:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:34:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:34:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:34:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:34:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:34:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:34:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:34:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:34:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:34:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:34:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:34:49,224 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 11:34:49,376 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:34:49,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:34:49,571 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:34:49,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:34:49,598 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:34:49,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:34:49 BoogieIcfgContainer [2022-09-16 11:34:49,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:34:49,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:34:49,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:34:49,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:34:49,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:34:48" (1/3) ... [2022-09-16 11:34:49,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65412e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:34:49, skipping insertion in model container [2022-09-16 11:34:49,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:34:48" (2/3) ... [2022-09-16 11:34:49,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65412e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:34:49, skipping insertion in model container [2022-09-16 11:34:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:34:49" (3/3) ... [2022-09-16 11:34:49,615 INFO L112 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2022-09-16 11:34:49,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:34:49,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:34:49,634 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:34:49,692 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:34:49,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2022-09-16 11:34:49,767 INFO L130 PetriNetUnfolder]: 2/94 cut-off events. [2022-09-16 11:34:49,768 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:34:49,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2022-09-16 11:34:49,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2022-09-16 11:34:49,779 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2022-09-16 11:34:49,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:34:49,797 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bd50589, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:34:49,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:34:49,807 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-09-16 11:34:49,807 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:34:49,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:34:49,808 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:34:49,809 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 11:34:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:34:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1950571982, now seen corresponding path program 1 times [2022-09-16 11:34:49,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:34:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444955228] [2022-09-16 11:34:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:34:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:34:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:34:50,145 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 11:34:50,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:34:50,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444955228] [2022-09-16 11:34:50,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444955228] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:34:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:34:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:34:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164924476] [2022-09-16 11:34:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:34:50,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:34:50,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:34:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:34:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:34:50,195 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2022-09-16 11:34:50,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:34:50,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:34:50,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2022-09-16 11:34:50,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:34:50,382 INFO L130 PetriNetUnfolder]: 104/310 cut-off events. [2022-09-16 11:34:50,382 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-09-16 11:34:50,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 310 events. 104/310 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1421 event pairs, 38 based on Foata normal form. 38/257 useless extension candidates. Maximal degree in co-relation 494. Up to 187 conditions per place. [2022-09-16 11:34:50,390 INFO L137 encePairwiseOnDemand]: 85/97 looper letters, 16 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2022-09-16 11:34:50,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 97 transitions, 249 flow [2022-09-16 11:34:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:34:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:34:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 270 transitions. [2022-09-16 11:34:50,408 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9278350515463918 [2022-09-16 11:34:50,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 270 transitions. [2022-09-16 11:34:50,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 270 transitions. [2022-09-16 11:34:50,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:34:50,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 270 transitions. [2022-09-16 11:34:50,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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 11:34:50,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 11:34:50,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 11:34:50,431 INFO L175 Difference]: Start difference. First operand has 102 places, 94 transitions, 197 flow. Second operand 3 states and 270 transitions. [2022-09-16 11:34:50,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 97 transitions, 249 flow [2022-09-16 11:34:50,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:34:50,444 INFO L231 Difference]: Finished difference. Result has 101 places, 94 transitions, 224 flow [2022-09-16 11:34:50,446 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=101, PETRI_TRANSITIONS=94} [2022-09-16 11:34:50,450 INFO L287 CegarLoopForPetriNet]: 102 programPoint places, -1 predicate places. [2022-09-16 11:34:50,450 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 94 transitions, 224 flow [2022-09-16 11:34:50,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:34:50,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:34:50,451 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:34:50,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:34:50,451 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 11:34:50,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:34:50,453 INFO L85 PathProgramCache]: Analyzing trace with hash 892396995, now seen corresponding path program 1 times [2022-09-16 11:34:50,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:34:50,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056703790] [2022-09-16 11:34:50,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:34:50,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:34:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:34:50,591 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 11:34:50,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:34:50,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056703790] [2022-09-16 11:34:50,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056703790] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:34:50,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:34:50,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:34:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725457228] [2022-09-16 11:34:50,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:34:50,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:34:50,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:34:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:34:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:34:50,598 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2022-09-16 11:34:50,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 94 transitions, 224 flow. Second operand has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 11:34:50,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:34:50,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2022-09-16 11:34:50,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:34:50,794 INFO L130 PetriNetUnfolder]: 54/436 cut-off events. [2022-09-16 11:34:50,795 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-09-16 11:34:50,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 436 events. 54/436 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2235 event pairs, 17 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 628. Up to 80 conditions per place. [2022-09-16 11:34:50,809 INFO L137 encePairwiseOnDemand]: 87/97 looper letters, 15 selfloop transitions, 10 changer transitions 3/105 dead transitions. [2022-09-16 11:34:50,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 105 transitions, 320 flow [2022-09-16 11:34:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:34:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:34:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 351 transitions. [2022-09-16 11:34:50,813 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.904639175257732 [2022-09-16 11:34:50,813 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 351 transitions. [2022-09-16 11:34:50,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 351 transitions. [2022-09-16 11:34:50,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:34:50,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 351 transitions. [2022-09-16 11:34:50,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.75) internal successors, (351), 4 states have internal predecessors, (351), 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 11:34:50,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 11:34:50,818 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 11:34:50,818 INFO L175 Difference]: Start difference. First operand has 101 places, 94 transitions, 224 flow. Second operand 4 states and 351 transitions. [2022-09-16 11:34:50,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 105 transitions, 320 flow [2022-09-16 11:34:50,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 105 transitions, 316 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:34:50,823 INFO L231 Difference]: Finished difference. Result has 105 places, 97 transitions, 280 flow [2022-09-16 11:34:50,824 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=280, PETRI_PLACES=105, PETRI_TRANSITIONS=97} [2022-09-16 11:34:50,824 INFO L287 CegarLoopForPetriNet]: 102 programPoint places, 3 predicate places. [2022-09-16 11:34:50,825 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 97 transitions, 280 flow [2022-09-16 11:34:50,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 11:34:50,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:34:50,825 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:34:50,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:34:50,826 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 11:34:50,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:34:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash 684272828, now seen corresponding path program 1 times [2022-09-16 11:34:50,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:34:50,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512440531] [2022-09-16 11:34:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:34:50,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:34:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:34:50,939 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 11:34:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:34:50,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512440531] [2022-09-16 11:34:50,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512440531] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:34:50,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:34:50,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:34:50,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700622179] [2022-09-16 11:34:50,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:34:50,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:34:50,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:34:50,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:34:50,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:34:50,945 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2022-09-16 11:34:50,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 97 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 11:34:50,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:34:50,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2022-09-16 11:34:50,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:34:51,018 INFO L130 PetriNetUnfolder]: 20/150 cut-off events. [2022-09-16 11:34:51,018 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-09-16 11:34:51,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 150 events. 20/150 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 401 event pairs, 0 based on Foata normal form. 20/167 useless extension candidates. Maximal degree in co-relation 254. Up to 42 conditions per place. [2022-09-16 11:34:51,021 INFO L137 encePairwiseOnDemand]: 90/97 looper letters, 13 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2022-09-16 11:34:51,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 94 transitions, 282 flow [2022-09-16 11:34:51,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:34:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:34:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 340 transitions. [2022-09-16 11:34:51,025 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8762886597938144 [2022-09-16 11:34:51,025 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 340 transitions. [2022-09-16 11:34:51,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 340 transitions. [2022-09-16 11:34:51,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:34:51,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 340 transitions. [2022-09-16 11:34:51,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 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 11:34:51,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 11:34:51,028 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 11:34:51,028 INFO L175 Difference]: Start difference. First operand has 105 places, 97 transitions, 280 flow. Second operand 4 states and 340 transitions. [2022-09-16 11:34:51,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 94 transitions, 282 flow [2022-09-16 11:34:51,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 94 transitions, 264 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-16 11:34:51,035 INFO L231 Difference]: Finished difference. Result has 102 places, 91 transitions, 228 flow [2022-09-16 11:34:51,036 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2022-09-16 11:34:51,038 INFO L287 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2022-09-16 11:34:51,038 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 228 flow [2022-09-16 11:34:51,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 11:34:51,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:34:51,039 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:34:51,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:34:51,040 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 11:34:51,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:34:51,040 INFO L85 PathProgramCache]: Analyzing trace with hash -519493653, now seen corresponding path program 1 times [2022-09-16 11:34:51,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:34:51,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870596118] [2022-09-16 11:34:51,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:34:51,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:34:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:34:51,183 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 11:34:51,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:34:51,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870596118] [2022-09-16 11:34:51,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870596118] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:34:51,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:34:51,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:34:51,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370247853] [2022-09-16 11:34:51,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:34:51,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:34:51,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:34:51,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:34:51,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:34:51,186 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2022-09-16 11:34:51,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 228 flow. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 11:34:51,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:34:51,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2022-09-16 11:34:51,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:34:51,238 INFO L130 PetriNetUnfolder]: 17/200 cut-off events. [2022-09-16 11:34:51,238 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-09-16 11:34:51,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 200 events. 17/200 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 592 event pairs, 0 based on Foata normal form. 6/200 useless extension candidates. Maximal degree in co-relation 264. Up to 18 conditions per place. [2022-09-16 11:34:51,240 INFO L137 encePairwiseOnDemand]: 90/97 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2022-09-16 11:34:51,240 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 93 transitions, 258 flow [2022-09-16 11:34:51,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:34:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:34:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 419 transitions. [2022-09-16 11:34:51,241 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8639175257731959 [2022-09-16 11:34:51,242 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 419 transitions. [2022-09-16 11:34:51,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 419 transitions. [2022-09-16 11:34:51,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:34:51,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 419 transitions. [2022-09-16 11:34:51,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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 11:34:51,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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 11:34:51,245 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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 11:34:51,245 INFO L175 Difference]: Start difference. First operand has 102 places, 91 transitions, 228 flow. Second operand 5 states and 419 transitions. [2022-09-16 11:34:51,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 93 transitions, 258 flow [2022-09-16 11:34:51,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 93 transitions, 243 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:34:51,247 INFO L231 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2022-09-16 11:34:51,248 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2022-09-16 11:34:51,248 INFO L287 CegarLoopForPetriNet]: 102 programPoint places, -3 predicate places. [2022-09-16 11:34:51,249 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2022-09-16 11:34:51,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 11:34:51,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:34:51,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:34:51,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:34:51,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:34:51,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:34:51,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:34:51,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:34:51,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:34:51,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:34:51,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:34:51,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:34:51,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:34:51,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:34:51,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:34:51,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:34:51,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:34:51,258 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:34:51,266 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:34:51,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:34:51,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:34:51 BasicIcfg [2022-09-16 11:34:51,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:34:51,277 INFO L158 Benchmark]: Toolchain (without parser) took 2823.51ms. Allocated memory is still 240.1MB. Free memory was 212.5MB in the beginning and 149.8MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,277 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:34:51,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.87ms. Allocated memory is still 240.1MB. Free memory was 212.2MB in the beginning and 200.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.67ms. Allocated memory is still 240.1MB. Free memory was 200.6MB in the beginning and 198.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,280 INFO L158 Benchmark]: Boogie Preprocessor took 57.34ms. Allocated memory is still 240.1MB. Free memory was 198.5MB in the beginning and 197.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,281 INFO L158 Benchmark]: RCFGBuilder took 472.44ms. Allocated memory is still 240.1MB. Free memory was 196.9MB in the beginning and 182.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,283 INFO L158 Benchmark]: TraceAbstraction took 1670.71ms. Allocated memory is still 240.1MB. Free memory was 181.2MB in the beginning and 149.8MB in the end (delta: 31.4MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-09-16 11:34:51,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 540.87ms. Allocated memory is still 240.1MB. Free memory was 212.2MB in the beginning and 200.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.67ms. Allocated memory is still 240.1MB. Free memory was 200.6MB in the beginning and 198.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.34ms. Allocated memory is still 240.1MB. Free memory was 198.5MB in the beginning and 197.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 472.44ms. Allocated memory is still 240.1MB. Free memory was 196.9MB in the beginning and 182.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1670.71ms. Allocated memory is still 240.1MB. Free memory was 181.2MB in the beginning and 149.8MB in the end (delta: 31.4MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: 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, 126 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 106 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=280occurred in iteration=2, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 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 11:34:51,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...