./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed9526537bcdfa3a373273dd87f938e4c25e1fe3854b24ed96c7c81db808c7a7 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:38:14,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:38:14,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:38:14,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:38:14,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:38:14,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:38:14,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:38:14,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:38:14,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:38:14,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:38:14,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:38:14,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:38:14,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:38:14,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:38:14,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:38:14,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:38:14,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:38:14,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:38:14,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:38:14,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:38:14,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:38:14,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:38:14,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:38:14,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:38:14,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:38:14,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:38:14,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:38:14,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:38:14,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:38:14,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:38:14,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:38:14,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:38:14,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:38:14,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:38:14,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:38:14,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:38:14,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:38:14,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:38:14,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:38:14,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:38:14,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:38:14,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:38:14,188 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:38:14,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:38:14,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:38:14,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:38:14,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:38:14,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:38:14,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:38:14,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:38:14,191 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:38:14,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:38:14,192 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:38:14,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:38:14,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:38:14,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:38:14,194 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:38:14,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:38:14,194 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:38:14,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:38:14,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:38:14,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:38:14,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:38:14,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:38:14,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:38:14,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:38:14,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:38:14,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:38:14,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:38:14,197 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed9526537bcdfa3a373273dd87f938e4c25e1fe3854b24ed96c7c81db808c7a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:38:14,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:38:14,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:38:14,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:38:14,499 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:38:14,502 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:38:14,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2023-08-30 13:38:15,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:38:16,207 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:38:16,208 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2023-08-30 13:38:16,242 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d3f9fc4/6a58feb1d14e4825b78b0d7a8c346035/FLAG747040904 [2023-08-30 13:38:16,255 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d3f9fc4/6a58feb1d14e4825b78b0d7a8c346035 [2023-08-30 13:38:16,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:38:16,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:38:16,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:38:16,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:38:16,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:38:16,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:38:16" (1/1) ... [2023-08-30 13:38:16,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306bd2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:16, skipping insertion in model container [2023-08-30 13:38:16,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:38:16" (1/1) ... [2023-08-30 13:38:16,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:38:16,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:38:16,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2023-08-30 13:38:18,955 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:38:19,439 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:38:19,442 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:38:19,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:38:19,540 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:38:19,561 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2023-08-30 13:38:19,759 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:38:19,868 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:38:19,870 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:38:19,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:38:20,444 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,444 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,444 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,444 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,444 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,445 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,445 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:38:20,450 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:38:20,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20 WrapperNode [2023-08-30 13:38:20,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:38:20,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:38:20,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:38:20,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:38:20,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,623 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 53, statements flattened = 736 [2023-08-30 13:38:20,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:38:20,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:38:20,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:38:20,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:38:20,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:38:20,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:38:20,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:38:20,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:38:20,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (1/1) ... [2023-08-30 13:38:20,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:38:20,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:38:20,771 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) [2023-08-30 13:38:20,797 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 [2023-08-30 13:38:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:38:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:38:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:38:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:38:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:38:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:38:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 13:38:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 13:38:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:38:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:38:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:38:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:38:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:38:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:38:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:38:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:38:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:38:20,814 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:38:21,347 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:38:21,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:38:22,259 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:38:22,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:38:22,276 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-30 13:38:22,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:38:22 BoogieIcfgContainer [2023-08-30 13:38:22,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:38:22,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:38:22,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:38:22,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:38:22,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:38:16" (1/3) ... [2023-08-30 13:38:22,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cf09f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:38:22, skipping insertion in model container [2023-08-30 13:38:22,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:38:20" (2/3) ... [2023-08-30 13:38:22,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cf09f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:38:22, skipping insertion in model container [2023-08-30 13:38:22,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:38:22" (3/3) ... [2023-08-30 13:38:22,289 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2023-08-30 13:38:22,296 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:38:22,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:38:22,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-30 13:38:22,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:38:22,467 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:38:22,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 784 places, 831 transitions, 1678 flow [2023-08-30 13:38:22,723 INFO L130 PetriNetUnfolder]: 54/829 cut-off events. [2023-08-30 13:38:22,724 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:38:22,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 829 events. 54/829 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1216 event pairs, 0 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 13:38:22,732 INFO L82 GeneralOperation]: Start removeDead. Operand has 784 places, 831 transitions, 1678 flow [2023-08-30 13:38:22,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 774 places, 821 transitions, 1651 flow [2023-08-30 13:38:22,745 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:38:22,753 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 821 transitions, 1651 flow [2023-08-30 13:38:22,755 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 821 transitions, 1651 flow [2023-08-30 13:38:22,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 774 places, 821 transitions, 1651 flow [2023-08-30 13:38:22,943 INFO L130 PetriNetUnfolder]: 54/821 cut-off events. [2023-08-30 13:38:22,943 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:38:22,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 821 events. 54/821 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1158 event pairs, 0 based on Foata normal form. 0/739 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 13:38:22,957 INFO L119 LiptonReduction]: Number of co-enabled transitions 14878 [2023-08-30 13:39:28,644 WARN L222 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 357 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:39:35,256 WARN L222 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:39:43,346 WARN L222 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 357 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:39:50,460 WARN L222 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:41:51,522 WARN L222 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:42:53,288 WARN L222 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:43:55,825 WARN L222 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:44:26,532 WARN L222 SmtUtils]: Spent 30.70s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:44:35,556 WARN L222 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 280 DAG size of output: 273 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:44:39,506 INFO L134 LiptonReduction]: Checked pairs total: 13293 [2023-08-30 13:44:39,506 INFO L136 LiptonReduction]: Total number of compositions: 989 [2023-08-30 13:44:39,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:44:39,532 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=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;@44671fb0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:44:39,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-08-30 13:44:39,539 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 13:44:39,540 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:44:39,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:39,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:44:39,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:39,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash 3091588, now seen corresponding path program 1 times [2023-08-30 13:44:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512243065] [2023-08-30 13:44:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:39,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:39,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512243065] [2023-08-30 13:44:39,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512243065] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:44:39,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:44:39,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:44:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629541732] [2023-08-30 13:44:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:44:39,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:44:39,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:44:40,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:44:40,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:44:40,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 779 out of 1820 [2023-08-30 13:44:40,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 79 transitions, 167 flow. Second operand has 2 states, 2 states have (on average 780.5) internal successors, (1561), 2 states have internal predecessors, (1561), 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) [2023-08-30 13:44:40,016 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:44:40,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 779 of 1820 [2023-08-30 13:44:40,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:44:40,308 INFO L130 PetriNetUnfolder]: 187/356 cut-off events. [2023-08-30 13:44:40,309 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-08-30 13:44:40,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 356 events. 187/356 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1259 event pairs, 177 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 648. Up to 357 conditions per place. [2023-08-30 13:44:40,313 INFO L137 encePairwiseOnDemand]: 1787/1820 looper letters, 38 selfloop transitions, 0 changer transitions 8/46 dead transitions. [2023-08-30 13:44:40,314 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 193 flow [2023-08-30 13:44:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:44:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:44:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1637 transitions. [2023-08-30 13:44:40,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44972527472527474 [2023-08-30 13:44:40,338 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1637 transitions. [2023-08-30 13:44:40,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1637 transitions. [2023-08-30 13:44:40,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:44:40,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1637 transitions. [2023-08-30 13:44:40,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 818.5) internal successors, (1637), 2 states have internal predecessors, (1637), 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) [2023-08-30 13:44:40,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1820.0) internal successors, (5460), 3 states have internal predecessors, (5460), 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) [2023-08-30 13:44:40,371 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1820.0) internal successors, (5460), 3 states have internal predecessors, (5460), 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) [2023-08-30 13:44:40,373 INFO L175 Difference]: Start difference. First operand has 64 places, 79 transitions, 167 flow. Second operand 2 states and 1637 transitions. [2023-08-30 13:44:40,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 193 flow [2023-08-30 13:44:40,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 46 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:44:40,378 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 79 flow [2023-08-30 13:44:40,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=79, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-08-30 13:44:40,382 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -23 predicate places. [2023-08-30 13:44:40,383 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 79 flow [2023-08-30 13:44:40,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 780.5) internal successors, (1561), 2 states have internal predecessors, (1561), 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) [2023-08-30 13:44:40,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:40,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:44:40,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:44:40,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:40,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:40,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1323589498, now seen corresponding path program 1 times [2023-08-30 13:44:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:40,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452171460] [2023-08-30 13:44:40,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:41,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:41,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452171460] [2023-08-30 13:44:41,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452171460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:44:41,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:44:41,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:44:41,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327435601] [2023-08-30 13:44:41,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:44:41,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:44:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:44:41,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:44:41,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:44:41,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 771 out of 1820 [2023-08-30 13:44:41,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 772.6666666666666) internal successors, (2318), 3 states have internal predecessors, (2318), 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) [2023-08-30 13:44:41,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:44:41,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 771 of 1820 [2023-08-30 13:44:41,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:44:41,412 INFO L130 PetriNetUnfolder]: 89/177 cut-off events. [2023-08-30 13:44:41,412 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:44:41,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 177 events. 89/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 550 event pairs, 79 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 367. Up to 177 conditions per place. [2023-08-30 13:44:41,413 INFO L137 encePairwiseOnDemand]: 1816/1820 looper letters, 37 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2023-08-30 13:44:41,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 39 transitions, 159 flow [2023-08-30 13:44:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:44:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:44:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2354 transitions. [2023-08-30 13:44:41,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43113553113553116 [2023-08-30 13:44:41,420 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2354 transitions. [2023-08-30 13:44:41,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2354 transitions. [2023-08-30 13:44:41,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:44:41,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2354 transitions. [2023-08-30 13:44:41,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 784.6666666666666) internal successors, (2354), 3 states have internal predecessors, (2354), 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) [2023-08-30 13:44:41,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1820.0) internal successors, (7280), 4 states have internal predecessors, (7280), 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) [2023-08-30 13:44:41,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1820.0) internal successors, (7280), 4 states have internal predecessors, (7280), 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) [2023-08-30 13:44:41,439 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 79 flow. Second operand 3 states and 2354 transitions. [2023-08-30 13:44:41,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 39 transitions, 159 flow [2023-08-30 13:44:41,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 159 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 13:44:41,440 INFO L231 Difference]: Finished difference. Result has 36 places, 39 transitions, 93 flow [2023-08-30 13:44:41,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2023-08-30 13:44:41,441 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2023-08-30 13:44:41,442 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 39 transitions, 93 flow [2023-08-30 13:44:41,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 772.6666666666666) internal successors, (2318), 3 states have internal predecessors, (2318), 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) [2023-08-30 13:44:41,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:41,444 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:44:41,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:44:41,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:41,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:41,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1796177293, now seen corresponding path program 1 times [2023-08-30 13:44:41,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108248762] [2023-08-30 13:44:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:42,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:42,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108248762] [2023-08-30 13:44:42,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108248762] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:44:42,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196912919] [2023-08-30 13:44:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:42,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:42,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:44:42,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:44:42,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 13:44:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 13:44:43,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:44:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-30 13:44:43,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 13:44:43,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196912919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:44:43,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 13:44:43,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-30 13:44:43,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462430268] [2023-08-30 13:44:43,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:44:43,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:44:43,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:44:43,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:44:43,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:44:43,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 774 out of 1820 [2023-08-30 13:44:43,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 39 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 776.0) internal successors, (2328), 3 states have internal predecessors, (2328), 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) [2023-08-30 13:44:43,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:44:43,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 774 of 1820 [2023-08-30 13:44:43,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:44:43,736 INFO L130 PetriNetUnfolder]: 74/150 cut-off events. [2023-08-30 13:44:43,736 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:44:43,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 150 events. 74/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 530 event pairs, 4 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 317. Up to 108 conditions per place. [2023-08-30 13:44:43,738 INFO L137 encePairwiseOnDemand]: 1818/1820 looper letters, 44 selfloop transitions, 1 changer transitions 0/45 dead transitions. [2023-08-30 13:44:43,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 197 flow [2023-08-30 13:44:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:44:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:44:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2367 transitions. [2023-08-30 13:44:43,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43351648351648353 [2023-08-30 13:44:43,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2367 transitions. [2023-08-30 13:44:43,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2367 transitions. [2023-08-30 13:44:43,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:44:43,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2367 transitions. [2023-08-30 13:44:43,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 789.0) internal successors, (2367), 3 states have internal predecessors, (2367), 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) [2023-08-30 13:44:43,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1820.0) internal successors, (7280), 4 states have internal predecessors, (7280), 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) [2023-08-30 13:44:43,762 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1820.0) internal successors, (7280), 4 states have internal predecessors, (7280), 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) [2023-08-30 13:44:43,762 INFO L175 Difference]: Start difference. First operand has 36 places, 39 transitions, 93 flow. Second operand 3 states and 2367 transitions. [2023-08-30 13:44:43,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 197 flow [2023-08-30 13:44:43,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 45 transitions, 193 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 13:44:43,764 INFO L231 Difference]: Finished difference. Result has 36 places, 38 transitions, 89 flow [2023-08-30 13:44:43,764 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=36, PETRI_TRANSITIONS=38} [2023-08-30 13:44:43,765 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2023-08-30 13:44:43,765 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 38 transitions, 89 flow [2023-08-30 13:44:43,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 776.0) internal successors, (2328), 3 states have internal predecessors, (2328), 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) [2023-08-30 13:44:43,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:43,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:44:43,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 13:44:43,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:43,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:43,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1796177647, now seen corresponding path program 1 times [2023-08-30 13:44:43,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:43,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68572342] [2023-08-30 13:44:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:43,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:44,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:44,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68572342] [2023-08-30 13:44:44,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68572342] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:44:44,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767693278] [2023-08-30 13:44:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:44:44,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:44:44,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-30 13:44:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:45,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-30 13:44:45,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:44:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:45,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:44:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767693278] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:44:45,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:44:45,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-30 13:44:45,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691058575] [2023-08-30 13:44:45,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:44:45,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 13:44:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:44:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 13:44:45,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-08-30 13:44:45,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 1820 [2023-08-30 13:44:45,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 38 transitions, 89 flow. Second operand has 8 states, 8 states have (on average 766.5) internal successors, (6132), 8 states have internal predecessors, (6132), 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) [2023-08-30 13:44:45,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:44:45,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 1820 [2023-08-30 13:44:45,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:44:46,707 INFO L130 PetriNetUnfolder]: 74/155 cut-off events. [2023-08-30 13:44:46,707 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2023-08-30 13:44:46,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 155 events. 74/155 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 455 event pairs, 64 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 340. Up to 145 conditions per place. [2023-08-30 13:44:46,708 INFO L137 encePairwiseOnDemand]: 1812/1820 looper letters, 31 selfloop transitions, 12 changer transitions 0/43 dead transitions. [2023-08-30 13:44:46,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 43 transitions, 191 flow [2023-08-30 13:44:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 13:44:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 13:44:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 5408 transitions. [2023-08-30 13:44:46,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42448979591836733 [2023-08-30 13:44:46,721 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 5408 transitions. [2023-08-30 13:44:46,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 5408 transitions. [2023-08-30 13:44:46,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:44:46,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 5408 transitions. [2023-08-30 13:44:46,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 772.5714285714286) internal successors, (5408), 7 states have internal predecessors, (5408), 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) [2023-08-30 13:44:46,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1820.0) internal successors, (14560), 8 states have internal predecessors, (14560), 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) [2023-08-30 13:44:46,765 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1820.0) internal successors, (14560), 8 states have internal predecessors, (14560), 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) [2023-08-30 13:44:46,766 INFO L175 Difference]: Start difference. First operand has 36 places, 38 transitions, 89 flow. Second operand 7 states and 5408 transitions. [2023-08-30 13:44:46,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 43 transitions, 191 flow [2023-08-30 13:44:46,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 43 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:44:46,768 INFO L231 Difference]: Finished difference. Result has 41 places, 43 transitions, 132 flow [2023-08-30 13:44:46,768 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=132, PETRI_PLACES=41, PETRI_TRANSITIONS=43} [2023-08-30 13:44:46,770 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -23 predicate places. [2023-08-30 13:44:46,770 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 43 transitions, 132 flow [2023-08-30 13:44:46,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 766.5) internal successors, (6132), 8 states have internal predecessors, (6132), 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) [2023-08-30 13:44:46,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:46,772 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2023-08-30 13:44:46,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 13:44:46,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-08-30 13:44:46,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:46,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2108566440, now seen corresponding path program 2 times [2023-08-30 13:44:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:46,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653290292] [2023-08-30 13:44:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:47,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:47,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653290292] [2023-08-30 13:44:47,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653290292] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:44:47,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005288845] [2023-08-30 13:44:47,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 13:44:47,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:47,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:44:47,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:44:47,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-30 13:44:49,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 13:44:49,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:44:49,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 13:44:49,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:44:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:49,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:44:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:49,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005288845] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:44:49,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:44:49,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-30 13:44:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61422868] [2023-08-30 13:44:49,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:44:49,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 13:44:49,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:44:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 13:44:49,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-08-30 13:44:49,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 1820 [2023-08-30 13:44:49,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 43 transitions, 132 flow. Second operand has 17 states, 17 states have (on average 766.2352941176471) internal successors, (13026), 17 states have internal predecessors, (13026), 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) [2023-08-30 13:44:49,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:44:49,954 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 1820 [2023-08-30 13:44:49,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:44:52,163 INFO L130 PetriNetUnfolder]: 74/164 cut-off events. [2023-08-30 13:44:52,163 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:44:52,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 164 events. 74/164 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 481 event pairs, 64 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 387. Up to 150 conditions per place. [2023-08-30 13:44:52,164 INFO L137 encePairwiseOnDemand]: 1812/1820 looper letters, 35 selfloop transitions, 17 changer transitions 0/52 dead transitions. [2023-08-30 13:44:52,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 52 transitions, 284 flow [2023-08-30 13:44:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:44:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:44:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 9250 transitions. [2023-08-30 13:44:52,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42353479853479853 [2023-08-30 13:44:52,185 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 9250 transitions. [2023-08-30 13:44:52,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 9250 transitions. [2023-08-30 13:44:52,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:44:52,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 9250 transitions. [2023-08-30 13:44:52,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 770.8333333333334) internal successors, (9250), 12 states have internal predecessors, (9250), 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) [2023-08-30 13:44:52,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1820.0) internal successors, (23660), 13 states have internal predecessors, (23660), 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) [2023-08-30 13:44:52,233 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1820.0) internal successors, (23660), 13 states have internal predecessors, (23660), 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) [2023-08-30 13:44:52,234 INFO L175 Difference]: Start difference. First operand has 41 places, 43 transitions, 132 flow. Second operand 12 states and 9250 transitions. [2023-08-30 13:44:52,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 52 transitions, 284 flow [2023-08-30 13:44:52,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 249 flow, removed 13 selfloop flow, removed 3 redundant places. [2023-08-30 13:44:52,236 INFO L231 Difference]: Finished difference. Result has 55 places, 52 transitions, 241 flow [2023-08-30 13:44:52,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=241, PETRI_PLACES=55, PETRI_TRANSITIONS=52} [2023-08-30 13:44:52,237 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -9 predicate places. [2023-08-30 13:44:52,237 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 52 transitions, 241 flow [2023-08-30 13:44:52,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 766.2352941176471) internal successors, (13026), 17 states have internal predecessors, (13026), 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) [2023-08-30 13:44:52,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:44:52,240 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1] [2023-08-30 13:44:52,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-30 13:44:52,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:52,452 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:44:52,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:44:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1528993352, now seen corresponding path program 3 times [2023-08-30 13:44:52,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:44:52,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948297581] [2023-08-30 13:44:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:44:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:44:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:44:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:44:53,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:44:53,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948297581] [2023-08-30 13:44:53,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948297581] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:44:53,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226326511] [2023-08-30 13:44:53,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 13:44:53,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:44:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:44:53,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:44:53,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-30 13:45:04,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-30 13:45:04,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:45:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 32 conjunts are in the unsatisfiable core [2023-08-30 13:45:04,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:45:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:45:04,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:45:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:45:05,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226326511] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:45:05,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:45:05,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-08-30 13:45:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073994578] [2023-08-30 13:45:05,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:45:05,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 13:45:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:45:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 13:45:05,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=840, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 13:45:07,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 1820 [2023-08-30 13:45:07,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 52 transitions, 241 flow. Second operand has 35 states, 35 states have (on average 766.1142857142858) internal successors, (26814), 35 states have internal predecessors, (26814), 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) [2023-08-30 13:45:07,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:45:07,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 1820 [2023-08-30 13:45:07,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:45:30,647 WARN L222 SmtUtils]: Spent 18.48s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:45:42,633 WARN L222 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:45:54,227 INFO L130 PetriNetUnfolder]: 74/182 cut-off events. [2023-08-30 13:45:54,227 INFO L131 PetriNetUnfolder]: For 209/209 co-relation queries the response was YES. [2023-08-30 13:45:54,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 182 events. 74/182 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 456 event pairs, 64 based on Foata normal form. 18/166 useless extension candidates. Maximal degree in co-relation 488. Up to 145 conditions per place. [2023-08-30 13:45:54,228 INFO L137 encePairwiseOnDemand]: 1812/1820 looper letters, 31 selfloop transitions, 39 changer transitions 0/70 dead transitions. [2023-08-30 13:45:54,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 70 transitions, 489 flow [2023-08-30 13:45:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-30 13:45:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-30 13:45:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 19231 transitions. [2023-08-30 13:45:54,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42265934065934063 [2023-08-30 13:45:54,269 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 19231 transitions. [2023-08-30 13:45:54,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 19231 transitions. [2023-08-30 13:45:54,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:45:54,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 19231 transitions. [2023-08-30 13:45:54,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 769.24) internal successors, (19231), 25 states have internal predecessors, (19231), 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) [2023-08-30 13:45:54,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 1820.0) internal successors, (47320), 26 states have internal predecessors, (47320), 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) [2023-08-30 13:45:54,377 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 1820.0) internal successors, (47320), 26 states have internal predecessors, (47320), 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) [2023-08-30 13:45:54,378 INFO L175 Difference]: Start difference. First operand has 55 places, 52 transitions, 241 flow. Second operand 25 states and 19231 transitions. [2023-08-30 13:45:54,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 70 transitions, 489 flow [2023-08-30 13:45:54,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 70 transitions, 465 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-30 13:45:54,382 INFO L231 Difference]: Finished difference. Result has 77 places, 70 transitions, 407 flow [2023-08-30 13:45:54,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1820, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=407, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2023-08-30 13:45:54,383 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, 13 predicate places. [2023-08-30 13:45:54,384 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 407 flow [2023-08-30 13:45:54,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 766.1142857142858) internal successors, (26814), 35 states have internal predecessors, (26814), 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) [2023-08-30 13:45:54,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:45:54,392 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1] [2023-08-30 13:45:54,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-30 13:45:54,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:45:54,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:45:54,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:45:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1477313416, now seen corresponding path program 4 times [2023-08-30 13:45:54,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:45:54,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740781559] [2023-08-30 13:45:54,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:45:54,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:45:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:45:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:45:56,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:45:56,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740781559] [2023-08-30 13:45:56,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740781559] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:45:56,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205585437] [2023-08-30 13:45:56,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-30 13:45:56,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:45:56,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:45:56,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:45:56,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-30 13:46:06,029 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-30 13:46:06,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:46:06,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-30 13:46:06,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:46:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:46:06,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:46:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:46:08,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205585437] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:46:08,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:46:08,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-08-30 13:46:08,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672515094] [2023-08-30 13:46:08,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:46:08,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-08-30 13:46:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:46:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-08-30 13:46:08,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=3749, Unknown=0, NotChecked=0, Total=4970 [2023-08-30 13:46:16,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 1820 [2023-08-30 13:46:16,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 407 flow. Second operand has 71 states, 71 states have (on average 766.056338028169) internal successors, (54390), 71 states have internal predecessors, (54390), 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) [2023-08-30 13:46:16,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:46:16,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 1820 [2023-08-30 13:46:16,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:48:35,444 WARN L222 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 95 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:48:36,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 13:48:38,878 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:48:40,895 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:50:29,499 WARN L222 SmtUtils]: Spent 48.64s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:51:22,975 WARN L222 SmtUtils]: Spent 18.84s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15