/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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:31:31,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:31:31,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:31:31,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:31:31,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:31:31,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:31:31,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:31:31,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:31:31,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:31:31,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:31:31,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:31:31,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:31:31,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:31:31,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:31:31,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:31:31,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:31:31,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:31:31,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:31:31,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:31:31,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:31:31,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:31:31,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:31:31,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:31:31,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:31:31,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:31:31,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:31:31,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:31:31,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:31:31,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:31:31,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:31:31,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:31:31,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:31:31,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:31:31,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:31:31,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:31:31,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:31:31,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:31:31,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:31:31,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:31:31,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:31:31,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:31:31,292 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 10:31:31,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:31:31,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:31:31,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:31:31,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:31:31,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:31:31,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:31:31,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:31:31,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:31:31,324 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:31:31,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:31:31,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:31:31,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:31:31,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:31:31,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:31:31,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:31:31,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:31:31,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:31:31,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:31:31,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:31:31,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:31:31,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:31:31,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:31:31,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:31:31,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:31:31,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:31:31,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:31:31,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:31:31,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:31:31,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:31:31,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:31:31,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:31:31,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:31:31,579 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:31:31,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-09-16 10:31:31,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5224ae6a8/a68067cb6d7d427daec8d01c618b8630/FLAG55de630ed [2022-09-16 10:31:32,100 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:31:32,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-09-16 10:31:32,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5224ae6a8/a68067cb6d7d427daec8d01c618b8630/FLAG55de630ed [2022-09-16 10:31:32,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5224ae6a8/a68067cb6d7d427daec8d01c618b8630 [2022-09-16 10:31:32,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:31:32,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:31:32,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:31:32,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:31:32,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:31:32,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ff913a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32, skipping insertion in model container [2022-09-16 10:31:32,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:31:32,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:31:32,343 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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2022-09-16 10:31:32,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:31:32,533 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:31:32,543 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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2022-09-16 10:31:32,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:31:32,618 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:31:32,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32 WrapperNode [2022-09-16 10:31:32,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:31:32,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:31:32,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:31:32,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:31:32,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,701 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2022-09-16 10:31:32,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:31:32,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:31:32,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:31:32,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:31:32,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:31:32,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:31:32,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:31:32,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:31:32,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (1/1) ... [2022-09-16 10:31:32,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:31:32,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:31:32,801 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 10:31:32,822 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 10:31:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:31:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:31:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:31:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:31:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:31:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:31:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:31:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:31:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:31:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:31:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:31:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:31:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:31:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:31:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:31:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:31:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:31:32,848 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 10:31:32,981 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:31:32,982 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:31:33,528 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:31:33,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:31:33,936 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:31:33,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:31:33 BoogieIcfgContainer [2022-09-16 10:31:33,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:31:33,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:31:33,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:31:33,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:31:33,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:31:32" (1/3) ... [2022-09-16 10:31:33,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bacdb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:31:33, skipping insertion in model container [2022-09-16 10:31:33,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:31:32" (2/3) ... [2022-09-16 10:31:33,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bacdb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:31:33, skipping insertion in model container [2022-09-16 10:31:33,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:31:33" (3/3) ... [2022-09-16 10:31:33,947 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2022-09-16 10:31:33,955 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:31:33,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:31:33,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:31:33,964 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:31:34,057 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:31:34,126 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 142 transitions, 304 flow [2022-09-16 10:31:44,132 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 335144 states, 335064 states have (on average 4.603878661986964) internal successors, (1542594), 335143 states have internal predecessors, (1542594), 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 10:31:44,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:31:44,163 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;@620d030b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:31:44,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:31:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 335144 states, 335064 states have (on average 4.603878661986964) internal successors, (1542594), 335143 states have internal predecessors, (1542594), 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 10:31:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:31:45,774 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:31:45,775 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] [2022-09-16 10:31:45,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:31:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:31:45,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1099175109, now seen corresponding path program 1 times [2022-09-16 10:31:45,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:31:45,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461644949] [2022-09-16 10:31:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:31:45,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:31:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:31:46,240 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 10:31:46,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:31:46,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461644949] [2022-09-16 10:31:46,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461644949] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:31:46,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:31:46,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:31:46,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905434278] [2022-09-16 10:31:46,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:31:46,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:31:46,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:31:46,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:31:46,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:31:47,189 INFO L87 Difference]: Start difference. First operand has 335144 states, 335064 states have (on average 4.603878661986964) internal successors, (1542594), 335143 states have internal predecessors, (1542594), 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 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 10:31:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:31:52,839 INFO L93 Difference]: Finished difference Result 266685 states and 1188141 transitions. [2022-09-16 10:31:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:31:52,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-09-16 10:31:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:31:56,596 INFO L225 Difference]: With dead ends: 266685 [2022-09-16 10:31:56,596 INFO L226 Difference]: Without dead ends: 266685 [2022-09-16 10:31:56,599 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 10:31:56,605 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 64 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:31:56,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 188 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:31:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266685 states. [2022-09-16 10:32:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266685 to 266685. [2022-09-16 10:32:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266685 states, 266493 states have (on average 4.458432304038005) internal successors, (1188141), 266684 states have internal predecessors, (1188141), 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 10:32:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266685 states to 266685 states and 1188141 transitions. [2022-09-16 10:32:15,134 INFO L78 Accepts]: Start accepts. Automaton has 266685 states and 1188141 transitions. Word has length 52 [2022-09-16 10:32:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:32:15,136 INFO L495 AbstractCegarLoop]: Abstraction has 266685 states and 1188141 transitions. [2022-09-16 10:32:15,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 10:32:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 266685 states and 1188141 transitions. [2022-09-16 10:32:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:32:15,148 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:32:15,148 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] [2022-09-16 10:32:15,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:32:15,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:32:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:32:15,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1030598412, now seen corresponding path program 1 times [2022-09-16 10:32:15,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:32:15,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50961447] [2022-09-16 10:32:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:32:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:32:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:32:15,301 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 10:32:15,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:32:15,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50961447] [2022-09-16 10:32:15,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50961447] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:32:15,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:32:15,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:32:15,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069175187] [2022-09-16 10:32:15,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:32:15,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:32:15,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:32:15,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:32:15,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:32:15,305 INFO L87 Difference]: Start difference. First operand 266685 states and 1188141 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 10:32:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:32:20,334 INFO L93 Difference]: Finished difference Result 243165 states and 1042117 transitions. [2022-09-16 10:32:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:32:20,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2022-09-16 10:32:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:32:24,856 INFO L225 Difference]: With dead ends: 243165 [2022-09-16 10:32:24,856 INFO L226 Difference]: Without dead ends: 243165 [2022-09-16 10:32:24,861 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 10:32:24,863 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 236 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:32:24,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 247 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:32:26,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243165 states. [2022-09-16 10:32:38,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243165 to 234525. [2022-09-16 10:32:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234525 states, 234417 states have (on average 4.350891786858462) internal successors, (1019923), 234524 states have internal predecessors, (1019923), 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 10:32:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234525 states to 234525 states and 1019923 transitions. [2022-09-16 10:32:42,893 INFO L78 Accepts]: Start accepts. Automaton has 234525 states and 1019923 transitions. Word has length 64 [2022-09-16 10:32:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:32:42,896 INFO L495 AbstractCegarLoop]: Abstraction has 234525 states and 1019923 transitions. [2022-09-16 10:32:42,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 10:32:42,900 INFO L276 IsEmpty]: Start isEmpty. Operand 234525 states and 1019923 transitions. [2022-09-16 10:32:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:32:42,903 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:32:42,903 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] [2022-09-16 10:32:42,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:32:42,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:32:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:32:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1030598411, now seen corresponding path program 1 times [2022-09-16 10:32:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:32:42,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158713875] [2022-09-16 10:32:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:32:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:32:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:32:43,065 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 10:32:43,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:32:43,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158713875] [2022-09-16 10:32:43,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158713875] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:32:43,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:32:43,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:32:43,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503744241] [2022-09-16 10:32:43,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:32:43,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:32:43,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:32:43,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:32:43,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:32:43,069 INFO L87 Difference]: Start difference. First operand 234525 states and 1019923 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 10:32:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:32:46,784 INFO L93 Difference]: Finished difference Result 155268 states and 683345 transitions. [2022-09-16 10:32:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:32:46,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2022-09-16 10:32:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:32:48,720 INFO L225 Difference]: With dead ends: 155268 [2022-09-16 10:32:48,720 INFO L226 Difference]: Without dead ends: 155268 [2022-09-16 10:32:48,721 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 10:32:48,722 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 133 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:32:48,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 343 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:32:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155268 states. [2022-09-16 10:32:58,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155268 to 155268. [2022-09-16 10:32:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155268 states, 155238 states have (on average 4.401918344735181) internal successors, (683345), 155267 states have internal predecessors, (683345), 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 10:33:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155268 states to 155268 states and 683345 transitions. [2022-09-16 10:33:00,738 INFO L78 Accepts]: Start accepts. Automaton has 155268 states and 683345 transitions. Word has length 64 [2022-09-16 10:33:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:00,739 INFO L495 AbstractCegarLoop]: Abstraction has 155268 states and 683345 transitions. [2022-09-16 10:33:00,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 10:33:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 155268 states and 683345 transitions. [2022-09-16 10:33:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:33:00,764 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:00,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:33:00,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:00,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:33:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1670230690, now seen corresponding path program 1 times [2022-09-16 10:33:00,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:00,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008690245] [2022-09-16 10:33:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:00,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:01,323 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 10:33:01,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:01,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008690245] [2022-09-16 10:33:01,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008690245] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:01,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:01,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:01,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781422135] [2022-09-16 10:33:01,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:01,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:01,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:01,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:01,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:01,340 INFO L87 Difference]: Start difference. First operand 155268 states and 683345 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)