/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/mix017_power.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:32:07,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:32:07,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:32:07,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:32:07,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:32:07,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:32:07,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:32:07,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:32:07,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:32:07,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:32:07,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:32:07,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:32:07,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:32:07,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:32:07,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:32:07,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:32:07,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:32:07,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:32:07,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:32:07,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:32:07,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:32:07,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:32:07,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:32:07,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:32:07,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:32:07,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:32:07,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:32:07,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:32:07,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:32:07,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 11:32:07,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 11:32:07,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 11:32:07,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 11:32:07,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 11:32:07,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 11:32:07,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 11:32:07,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 11:32:07,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 11:32:07,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:32:08,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:32:08,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:32:08,001 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 11:32:08,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:32:08,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:32:08,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:32:08,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:32:08,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:32:08,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:32:08,018 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:32:08,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:32:08,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:32:08,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:32:08,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:32:08,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:32:08,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:32:08,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:32:08,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:32:08,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:32:08,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:32:08,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:32:08,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:32:08,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:32:08,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:32:08,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:32:08,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:32:08,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:32:08,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:32:08,210 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:32:08,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2022-09-16 11:32:08,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32bcd583/269c9611156b47569792d219dcb5c10c/FLAGacb72bb0c [2022-09-16 11:32:08,842 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:32:08,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2022-09-16 11:32:08,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32bcd583/269c9611156b47569792d219dcb5c10c/FLAGacb72bb0c [2022-09-16 11:32:09,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32bcd583/269c9611156b47569792d219dcb5c10c [2022-09-16 11:32:09,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:32:09,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:32:09,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:32:09,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:32:09,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:32:09,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b292986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09, skipping insertion in model container [2022-09-16 11:32:09,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:32:09,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:32:09,526 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/mix017_power.opt_rmo.opt.i[958,971] [2022-09-16 11:32:09,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:32:09,755 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:32:09,769 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/mix017_power.opt_rmo.opt.i[958,971] [2022-09-16 11:32:09,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:32:09,870 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:32:09,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09 WrapperNode [2022-09-16 11:32:09,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:32:09,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:32:09,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:32:09,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:32:09,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,952 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 196 [2022-09-16 11:32:09,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:32:09,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:32:09,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:32:09,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:32:09,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:09,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:10,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:32:10,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:32:10,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:32:10,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:32:10,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (1/1) ... [2022-09-16 11:32:10,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:32:10,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:32:10,050 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 11:32:10,079 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 11:32:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:32:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:32:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:32:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:32:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 11:32:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 11:32:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:32:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:32:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:32:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:32:10,093 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 11:32:10,285 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:32:10,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:32:10,851 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:32:11,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:32:11,175 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:32:11,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:32:11 BoogieIcfgContainer [2022-09-16 11:32:11,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:32:11,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:32:11,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:32:11,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:32:11,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:32:09" (1/3) ... [2022-09-16 11:32:11,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4694b65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:32:11, skipping insertion in model container [2022-09-16 11:32:11,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:32:09" (2/3) ... [2022-09-16 11:32:11,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4694b65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:32:11, skipping insertion in model container [2022-09-16 11:32:11,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:32:11" (3/3) ... [2022-09-16 11:32:11,186 INFO L112 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2022-09-16 11:32:11,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:32:11,201 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 11:32:11,202 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:32:11,278 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:32:11,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 143 transitions, 306 flow [2022-09-16 11:32:11,391 INFO L130 PetriNetUnfolder]: 2/139 cut-off events. [2022-09-16 11:32:11,392 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:32:11,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 2/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2022-09-16 11:32:11,396 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 143 transitions, 306 flow [2022-09-16 11:32:11,402 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 139 transitions, 290 flow [2022-09-16 11:32:11,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:32:11,424 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;@19dcfe14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:32:11,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 11:32:11,444 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-09-16 11:32:11,445 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:32:11,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:32:11,445 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, 1, 1] [2022-09-16 11:32:11,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 11:32:11,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:32:11,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2118363251, now seen corresponding path program 1 times [2022-09-16 11:32:11,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:32:11,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952440747] [2022-09-16 11:32:11,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:32:11,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:32:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:32:11,736 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 11:32:11,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:32:11,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952440747] [2022-09-16 11:32:11,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952440747] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:32:11,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:32:11,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:32:11,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705209089] [2022-09-16 11:32:11,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:32:11,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:32:11,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:32:11,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:32:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:32:11,771 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2022-09-16 11:32:11,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 11:32:11,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:32:11,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2022-09-16 11:32:11,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:32:13,111 INFO L130 PetriNetUnfolder]: 2759/6801 cut-off events. [2022-09-16 11:32:13,111 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2022-09-16 11:32:13,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10919 conditions, 6801 events. 2759/6801 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 61730 event pairs, 2047 based on Foata normal form. 261/5078 useless extension candidates. Maximal degree in co-relation 10860. Up to 3852 conditions per place. [2022-09-16 11:32:13,196 INFO L137 encePairwiseOnDemand]: 128/143 looper letters, 31 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2022-09-16 11:32:13,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 149 transitions, 391 flow [2022-09-16 11:32:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:32:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:32:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2022-09-16 11:32:13,218 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9300699300699301 [2022-09-16 11:32:13,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2022-09-16 11:32:13,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2022-09-16 11:32:13,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:32:13,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2022-09-16 11:32:13,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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 11:32:13,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 11:32:13,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 11:32:13,241 INFO L175 Difference]: Start difference. First operand has 150 places, 139 transitions, 290 flow. Second operand 3 states and 399 transitions. [2022-09-16 11:32:13,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 149 transitions, 391 flow [2022-09-16 11:32:13,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 149 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:32:13,252 INFO L231 Difference]: Finished difference. Result has 148 places, 140 transitions, 327 flow [2022-09-16 11:32:13,254 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=148, PETRI_TRANSITIONS=140} [2022-09-16 11:32:13,260 INFO L287 CegarLoopForPetriNet]: 150 programPoint places, -2 predicate places. [2022-09-16 11:32:13,260 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 140 transitions, 327 flow [2022-09-16 11:32:13,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 11:32:13,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:32:13,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:32:13,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:32:13,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 11:32:13,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:32:13,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2081727708, now seen corresponding path program 1 times [2022-09-16 11:32:13,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:32:13,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121077389] [2022-09-16 11:32:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:32:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:32:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:32:13,460 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 11:32:13,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:32:13,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121077389] [2022-09-16 11:32:13,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121077389] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:32:13,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:32:13,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:32:13,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461884507] [2022-09-16 11:32:13,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:32:13,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:32:13,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:32:13,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:32:13,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:32:13,464 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2022-09-16 11:32:13,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 140 transitions, 327 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 11:32:13,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:32:13,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2022-09-16 11:32:13,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:32:14,075 INFO L130 PetriNetUnfolder]: 1326/2736 cut-off events. [2022-09-16 11:32:14,075 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-09-16 11:32:14,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5886 conditions, 2736 events. 1326/2736 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 19927 event pairs, 322 based on Foata normal form. 0/2126 useless extension candidates. Maximal degree in co-relation 5828. Up to 1816 conditions per place. [2022-09-16 11:32:14,110 INFO L137 encePairwiseOnDemand]: 134/143 looper letters, 27 selfloop transitions, 5 changer transitions 0/145 dead transitions. [2022-09-16 11:32:14,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 399 flow [2022-09-16 11:32:14,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:32:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:32:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 504 transitions. [2022-09-16 11:32:14,113 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8811188811188811 [2022-09-16 11:32:14,113 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 504 transitions. [2022-09-16 11:32:14,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 504 transitions. [2022-09-16 11:32:14,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:32:14,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 504 transitions. [2022-09-16 11:32:14,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 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 11:32:14,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 11:32:14,118 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 11:32:14,118 INFO L175 Difference]: Start difference. First operand has 148 places, 140 transitions, 327 flow. Second operand 4 states and 504 transitions. [2022-09-16 11:32:14,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 399 flow [2022-09-16 11:32:14,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:32:14,124 INFO L231 Difference]: Finished difference. Result has 146 places, 136 transitions, 316 flow [2022-09-16 11:32:14,125 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=316, PETRI_PLACES=146, PETRI_TRANSITIONS=136} [2022-09-16 11:32:14,125 INFO L287 CegarLoopForPetriNet]: 150 programPoint places, -4 predicate places. [2022-09-16 11:32:14,126 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 136 transitions, 316 flow [2022-09-16 11:32:14,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 11:32:14,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:32:14,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:32:14,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:32:14,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 11:32:14,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:32:14,128 INFO L85 PathProgramCache]: Analyzing trace with hash -925995813, now seen corresponding path program 1 times [2022-09-16 11:32:14,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:32:14,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877831078] [2022-09-16 11:32:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:32:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:32:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:32:14,272 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 11:32:14,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:32:14,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877831078] [2022-09-16 11:32:14,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877831078] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:32:14,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:32:14,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:32:14,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410493913] [2022-09-16 11:32:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:32:14,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:32:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:32:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:32:14,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:32:14,275 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2022-09-16 11:32:14,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 136 transitions, 316 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 11:32:14,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:32:14,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2022-09-16 11:32:14,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:32:14,672 INFO L130 PetriNetUnfolder]: 702/2066 cut-off events. [2022-09-16 11:32:14,673 INFO L131 PetriNetUnfolder]: For 353/353 co-relation queries the response was YES. [2022-09-16 11:32:14,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3796 conditions, 2066 events. 702/2066 cut-off events. For 353/353 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 15496 event pairs, 169 based on Foata normal form. 0/1812 useless extension candidates. Maximal degree in co-relation 3737. Up to 659 conditions per place. [2022-09-16 11:32:14,694 INFO L137 encePairwiseOnDemand]: 134/143 looper letters, 35 selfloop transitions, 9 changer transitions 0/157 dead transitions. [2022-09-16 11:32:14,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 157 transitions, 464 flow [2022-09-16 11:32:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:32:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:32:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2022-09-16 11:32:14,696 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9020979020979021 [2022-09-16 11:32:14,696 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 516 transitions. [2022-09-16 11:32:14,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 516 transitions. [2022-09-16 11:32:14,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:32:14,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 516 transitions. [2022-09-16 11:32:14,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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 11:32:14,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 11:32:14,701 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 11:32:14,701 INFO L175 Difference]: Start difference. First operand has 146 places, 136 transitions, 316 flow. Second operand 4 states and 516 transitions. [2022-09-16 11:32:14,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 157 transitions, 464 flow [2022-09-16 11:32:14,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 157 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-09-16 11:32:14,707 INFO L231 Difference]: Finished difference. Result has 148 places, 140 transitions, 368 flow [2022-09-16 11:32:14,708 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=368, PETRI_PLACES=148, PETRI_TRANSITIONS=140} [2022-09-16 11:32:14,710 INFO L287 CegarLoopForPetriNet]: 150 programPoint places, -2 predicate places. [2022-09-16 11:32:14,710 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 140 transitions, 368 flow [2022-09-16 11:32:14,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 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 11:32:14,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:32:14,711 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, 1, 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 11:32:14,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:32:14,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 11:32:14,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:32:14,712 INFO L85 PathProgramCache]: Analyzing trace with hash 40608957, now seen corresponding path program 1 times [2022-09-16 11:32:14,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:32:14,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774160592] [2022-09-16 11:32:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:32:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:32:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:32:14,863 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 11:32:14,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:32:14,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774160592] [2022-09-16 11:32:14,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774160592] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:32:14,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:32:14,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:32:14,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135813808] [2022-09-16 11:32:14,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:32:14,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:32:14,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:32:14,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:32:14,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:32:14,872 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2022-09-16 11:32:14,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 140 transitions, 368 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:32:14,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:32:14,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2022-09-16 11:32:14,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:32:15,183 INFO L130 PetriNetUnfolder]: 549/1491 cut-off events. [2022-09-16 11:32:15,183 INFO L131 PetriNetUnfolder]: For 543/543 co-relation queries the response was YES. [2022-09-16 11:32:15,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3325 conditions, 1491 events. 549/1491 cut-off events. For 543/543 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 10261 event pairs, 57 based on Foata normal form. 0/1416 useless extension candidates. Maximal degree in co-relation 3265. Up to 351 conditions per place. [2022-09-16 11:32:15,200 INFO L137 encePairwiseOnDemand]: 134/143 looper letters, 38 selfloop transitions, 13 changer transitions 4/168 dead transitions. [2022-09-16 11:32:15,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 168 transitions, 562 flow [2022-09-16 11:32:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:32:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:32:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 644 transitions. [2022-09-16 11:32:15,203 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9006993006993007 [2022-09-16 11:32:15,203 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 644 transitions. [2022-09-16 11:32:15,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 644 transitions. [2022-09-16 11:32:15,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:32:15,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 644 transitions. [2022-09-16 11:32:15,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 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 11:32:15,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 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 11:32:15,207 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 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 11:32:15,207 INFO L175 Difference]: Start difference. First operand has 148 places, 140 transitions, 368 flow. Second operand 5 states and 644 transitions. [2022-09-16 11:32:15,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 168 transitions, 562 flow [2022-09-16 11:32:15,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 168 transitions, 544 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-09-16 11:32:15,212 INFO L231 Difference]: Finished difference. Result has 151 places, 140 transitions, 392 flow [2022-09-16 11:32:15,212 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=392, PETRI_PLACES=151, PETRI_TRANSITIONS=140} [2022-09-16 11:32:15,213 INFO L287 CegarLoopForPetriNet]: 150 programPoint places, 1 predicate places. [2022-09-16 11:32:15,213 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 140 transitions, 392 flow [2022-09-16 11:32:15,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:32:15,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:32:15,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:32:15,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:32:15,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 11:32:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:32:15,233 INFO L85 PathProgramCache]: Analyzing trace with hash 505141990, now seen corresponding path program 1 times [2022-09-16 11:32:15,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:32:15,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128223111] [2022-09-16 11:32:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:32:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:32:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:32:15,383 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 11:32:15,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:32:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128223111] [2022-09-16 11:32:15,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128223111] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:32:15,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:32:15,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 11:32:15,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254662877] [2022-09-16 11:32:15,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:32:15,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 11:32:15,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:32:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 11:32:15,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 11:32:15,387 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2022-09-16 11:32:15,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 140 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 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 11:32:15,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:32:15,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2022-09-16 11:32:15,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:32:15,752 INFO L130 PetriNetUnfolder]: 530/1822 cut-off events. [2022-09-16 11:32:15,752 INFO L131 PetriNetUnfolder]: For 1256/1256 co-relation queries the response was YES. [2022-09-16 11:32:15,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3672 conditions, 1822 events. 530/1822 cut-off events. For 1256/1256 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 13611 event pairs, 124 based on Foata normal form. 12/1738 useless extension candidates. Maximal degree in co-relation 3611. Up to 295 conditions per place. [2022-09-16 11:32:15,763 INFO L137 encePairwiseOnDemand]: 134/143 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2022-09-16 11:32:15,763 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 160 transitions, 514 flow [2022-09-16 11:32:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 11:32:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-09-16 11:32:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 753 transitions. [2022-09-16 11:32:15,766 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8776223776223776 [2022-09-16 11:32:15,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 753 transitions. [2022-09-16 11:32:15,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 753 transitions. [2022-09-16 11:32:15,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:32:15,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 753 transitions. [2022-09-16 11:32:15,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 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 11:32:15,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 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 11:32:15,771 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 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 11:32:15,772 INFO L175 Difference]: Start difference. First operand has 151 places, 140 transitions, 392 flow. Second operand 6 states and 753 transitions. [2022-09-16 11:32:15,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 160 transitions, 514 flow [2022-09-16 11:32:15,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 160 transitions, 459 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-09-16 11:32:15,780 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2022-09-16 11:32:15,780 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2022-09-16 11:32:15,782 INFO L287 CegarLoopForPetriNet]: 150 programPoint places, -4 predicate places. [2022-09-16 11:32:15,783 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2022-09-16 11:32:15,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 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 11:32:15,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 11:32:15,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 11:32:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 11:32:15,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 11:32:15,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 11:32:15,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 11:32:15,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 11:32:15,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 11:32:15,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 11:32:15,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 11:32:15,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 11:32:15,794 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 11:32:15,800 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:32:15,800 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:32:15,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:32:15 BasicIcfg [2022-09-16 11:32:15,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:32:15,804 INFO L158 Benchmark]: Toolchain (without parser) took 6533.26ms. Allocated memory was 209.7MB in the beginning and 791.7MB in the end (delta: 582.0MB). Free memory was 178.3MB in the beginning and 540.9MB in the end (delta: -362.6MB). Peak memory consumption was 219.5MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,805 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:32:15,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.54ms. Allocated memory is still 209.7MB. Free memory was 178.0MB in the beginning and 167.3MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.08ms. Allocated memory is still 209.7MB. Free memory was 167.1MB in the beginning and 164.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,806 INFO L158 Benchmark]: Boogie Preprocessor took 52.88ms. Allocated memory is still 209.7MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,806 INFO L158 Benchmark]: RCFGBuilder took 1171.08ms. Allocated memory was 209.7MB in the beginning and 305.1MB in the end (delta: 95.4MB). Free memory was 162.3MB in the beginning and 217.9MB in the end (delta: -55.6MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,807 INFO L158 Benchmark]: TraceAbstraction took 4623.46ms. Allocated memory was 305.1MB in the beginning and 791.7MB in the end (delta: 486.5MB). Free memory was 217.4MB in the beginning and 540.9MB in the end (delta: -323.5MB). Peak memory consumption was 163.1MB. Max. memory is 8.0GB. [2022-09-16 11:32:15,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 599.54ms. Allocated memory is still 209.7MB. Free memory was 178.0MB in the beginning and 167.3MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.08ms. Allocated memory is still 209.7MB. Free memory was 167.1MB in the beginning and 164.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.88ms. Allocated memory is still 209.7MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1171.08ms. Allocated memory was 209.7MB in the beginning and 305.1MB in the end (delta: 95.4MB). Free memory was 162.3MB in the beginning and 217.9MB in the end (delta: -55.6MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4623.46ms. Allocated memory was 305.1MB in the beginning and 791.7MB in the end (delta: 486.5MB). Free memory was 217.4MB in the beginning and 540.9MB in the end (delta: -323.5MB). Peak memory consumption was 163.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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 9 procedures, 185 locations, 20 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: 4.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 17 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 341 ConstructedInterpolants, 0 QuantifiedInterpolants, 943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:32:15,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...