./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c --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/weaver/chl-poker-hand-trans.wvr.c -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 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 --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 14:57:51,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 14:57:51,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 14:57:51,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 14:57:51,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 14:57:51,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 14:57:51,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 14:57:51,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 14:57:51,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 14:57:51,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 14:57:51,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 14:57:51,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 14:57:51,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 14:57:51,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 14:57:51,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 14:57:51,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 14:57:51,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 14:57:51,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 14:57:51,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 14:57:51,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 14:57:51,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 14:57:51,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 14:57:51,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 14:57:51,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 14:57:51,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 14:57:51,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 14:57:51,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 14:57:51,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 14:57:51,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 14:57:51,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 14:57:51,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 14:57:51,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 14:57:51,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 14:57:51,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 14:57:51,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 14:57:51,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 14:57:51,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 14:57:51,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 14:57:51,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 14:57:51,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 14:57:51,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 14:57:51,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 14:57:51,240 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 14:57:51,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 14:57:51,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 14:57:51,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 14:57:51,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 14:57:51,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 14:57:51,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 14:57:51,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 14:57:51,243 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 14:57:51,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 14:57:51,244 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 14:57:51,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 14:57:51,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 14:57:51,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 14:57:51,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 14:57:51,246 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 14:57:51,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 14:57:51,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 14:57:51,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 14:57:51,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 14:57:51,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:57:51,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 14:57:51,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 14:57:51,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 14:57:51,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 14:57:51,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 14:57:51,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 14:57:51,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 14:57:51,248 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 14:57:51,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 14:57:51,248 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 14:57:51,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 14:57:51,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 14:57:51,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 14:57:51,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 14:57:51,503 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 14:57:51,503 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 14:57:51,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-08-30 14:57:52,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 14:57:52,698 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 14:57:52,699 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-08-30 14:57:52,707 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63a84978/6d0b4083ccb7404595de1f6af006520b/FLAGbc43fe101 [2023-08-30 14:57:52,725 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63a84978/6d0b4083ccb7404595de1f6af006520b [2023-08-30 14:57:52,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 14:57:52,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 14:57:52,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 14:57:52,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 14:57:52,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 14:57:52,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:57:52" (1/1) ... [2023-08-30 14:57:52,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270fda66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:52, skipping insertion in model container [2023-08-30 14:57:52,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:57:52" (1/1) ... [2023-08-30 14:57:52,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 14:57:52,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 14:57:52,952 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c[18874,18887] [2023-08-30 14:57:52,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:57:52,962 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 14:57:53,009 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c[18874,18887] [2023-08-30 14:57:53,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:57:53,017 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 14:57:53,020 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 14:57:53,025 INFO L208 MainTranslator]: Completed translation [2023-08-30 14:57:53,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53 WrapperNode [2023-08-30 14:57:53,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 14:57:53,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 14:57:53,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 14:57:53,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 14:57:53,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,138 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2563 [2023-08-30 14:57:53,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 14:57:53,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 14:57:53,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 14:57:53,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 14:57:53,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 14:57:53,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 14:57:53,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 14:57:53,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 14:57:53,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (1/1) ... [2023-08-30 14:57:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:57:53,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 14:57:53,270 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 14:57:53,271 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 14:57:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 14:57:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 14:57:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 14:57:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 14:57:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 14:57:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 14:57:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 14:57:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 14:57:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 14:57:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 14:57:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 14:57:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 14:57:53,299 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 14:57:53,514 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 14:57:53,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 14:57:54,915 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 14:57:57,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 14:57:57,665 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-08-30 14:57:57,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:57:57 BoogieIcfgContainer [2023-08-30 14:57:57,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 14:57:57,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 14:57:57,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 14:57:57,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 14:57:57,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:57:52" (1/3) ... [2023-08-30 14:57:57,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ef9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:57:57, skipping insertion in model container [2023-08-30 14:57:57,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:53" (2/3) ... [2023-08-30 14:57:57,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ef9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:57:57, skipping insertion in model container [2023-08-30 14:57:57,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:57:57" (3/3) ... [2023-08-30 14:57:57,674 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2023-08-30 14:57:57,680 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 14:57:57,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 14:57:57,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-08-30 14:57:57,686 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 14:57:58,476 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 14:57:58,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 781 places, 850 transitions, 1724 flow [2023-08-30 14:57:58,753 INFO L130 PetriNetUnfolder]: 79/847 cut-off events. [2023-08-30 14:57:58,753 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 14:57:58,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 847 events. 79/847 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1700 event pairs, 0 based on Foata normal form. 0/666 useless extension candidates. Maximal degree in co-relation 742. Up to 7 conditions per place. [2023-08-30 14:57:58,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 781 places, 850 transitions, 1724 flow [2023-08-30 14:57:58,774 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 761 places, 829 transitions, 1673 flow [2023-08-30 14:57:58,777 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 14:57:58,787 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 829 transitions, 1673 flow [2023-08-30 14:57:58,790 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 829 transitions, 1673 flow [2023-08-30 14:57:58,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 761 places, 829 transitions, 1673 flow [2023-08-30 14:57:58,952 INFO L130 PetriNetUnfolder]: 78/829 cut-off events. [2023-08-30 14:57:58,952 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 14:57:58,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 829 events. 78/829 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1695 event pairs, 0 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 742. Up to 7 conditions per place. [2023-08-30 14:57:58,969 INFO L119 LiptonReduction]: Number of co-enabled transitions 45198 [2023-08-30 15:00:39,860 INFO L134 LiptonReduction]: Checked pairs total: 56934 [2023-08-30 15:00:39,860 INFO L136 LiptonReduction]: Total number of compositions: 1068 [2023-08-30 15:00:39,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 15:00:39,875 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;@674d6849, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 15:00:39,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2023-08-30 15:00:39,878 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-30 15:00:39,878 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 15:00:39,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:39,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 15:00:39,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 15:00:39,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash 298830, now seen corresponding path program 1 times [2023-08-30 15:00:39,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:39,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727545919] [2023-08-30 15:00:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:39,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:40,241 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 15:00:40,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:40,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727545919] [2023-08-30 15:00:40,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727545919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:00:40,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 15:00:40,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 15:00:40,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939112836] [2023-08-30 15:00:40,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:00:40,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 15:00:40,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 15:00:40,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 15:00:40,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 15:00:40,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 158 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 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 15:00:40,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:40,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 15:00:40,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:02:16,189 INFO L130 PetriNetUnfolder]: 116767/157557 cut-off events. [2023-08-30 15:02:16,190 INFO L131 PetriNetUnfolder]: For 3462/3462 co-relation queries the response was YES. [2023-08-30 15:02:16,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317895 conditions, 157557 events. 116767/157557 cut-off events. For 3462/3462 co-relation queries the response was YES. Maximal size of possible extension queue 13015. Compared 1107624 event pairs, 94200 based on Foata normal form. 0/39153 useless extension candidates. Maximal degree in co-relation 152430. Up to 78792 conditions per place. [2023-08-30 15:02:16,973 INFO L137 encePairwiseOnDemand]: 1843/1918 looper letters, 213 selfloop transitions, 24 changer transitions 0/237 dead transitions. [2023-08-30 15:02:16,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 237 transitions, 978 flow [2023-08-30 15:02:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 15:02:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 15:02:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2023-08-30 15:02:16,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39520333680917624 [2023-08-30 15:02:16,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2274 transitions. [2023-08-30 15:02:16,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2274 transitions. [2023-08-30 15:02:17,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:02:17,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2274 transitions. [2023-08-30 15:02:17,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 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 15:02:17,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1918.0) internal successors, (7672), 4 states have internal predecessors, (7672), 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 15:02:17,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1918.0) internal successors, (7672), 4 states have internal predecessors, (7672), 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 15:02:17,038 INFO L175 Difference]: Start difference. First operand has 144 places, 158 transitions, 331 flow. Second operand 3 states and 2274 transitions. [2023-08-30 15:02:17,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 237 transitions, 978 flow [2023-08-30 15:02:17,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 237 transitions, 960 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-30 15:02:17,073 INFO L231 Difference]: Finished difference. Result has 116 places, 154 transitions, 504 flow [2023-08-30 15:02:17,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1918, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=116, PETRI_TRANSITIONS=154} [2023-08-30 15:02:17,080 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -28 predicate places. [2023-08-30 15:02:17,082 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 154 transitions, 504 flow [2023-08-30 15:02:17,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 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 15:02:17,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:02:17,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 15:02:17,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 15:02:17,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 15:02:17,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:02:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash 9277174, now seen corresponding path program 1 times [2023-08-30 15:02:17,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:02:17,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706455630] [2023-08-30 15:02:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:02:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:02:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:02:17,239 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 15:02:17,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:02:17,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706455630] [2023-08-30 15:02:17,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706455630] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:02:17,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111454618] [2023-08-30 15:02:17,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:02:17,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:02:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:02:17,243 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 15:02:17,247 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 15:02:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:02:18,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 15:02:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:02:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 15:02:18,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 15:02:18,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111454618] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:02:18,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 15:02:18,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-08-30 15:02:18,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509468981] [2023-08-30 15:02:18,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:02:18,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 15:02:18,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:02:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 15:02:18,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 15:02:18,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 15:02:18,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 154 transitions, 504 flow. Second operand has 4 states, 4 states have (on average 653.75) internal successors, (2615), 4 states have internal predecessors, (2615), 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 15:02:18,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:02:18,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 15:02:18,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:03:50,747 INFO L130 PetriNetUnfolder]: 116767/157545 cut-off events. [2023-08-30 15:03:50,748 INFO L131 PetriNetUnfolder]: For 840/840 co-relation queries the response was YES. [2023-08-30 15:03:50,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316985 conditions, 157545 events. 116767/157545 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 11875. Compared 1095551 event pairs, 94200 based on Foata normal form. 0/39177 useless extension candidates. Maximal degree in co-relation 158423. Up to 78779 conditions per place. [2023-08-30 15:03:51,301 INFO L137 encePairwiseOnDemand]: 1882/1918 looper letters, 201 selfloop transitions, 24 changer transitions 0/225 dead transitions. [2023-08-30 15:03:51,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 225 transitions, 1078 flow [2023-08-30 15:03:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 15:03:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 15:03:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2849 transitions. [2023-08-30 15:03:51,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37135036496350365 [2023-08-30 15:03:51,308 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2849 transitions. [2023-08-30 15:03:51,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2849 transitions. [2023-08-30 15:03:51,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:03:51,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2849 transitions. [2023-08-30 15:03:51,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 712.25) internal successors, (2849), 4 states have internal predecessors, (2849), 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 15:03:51,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1918.0) internal successors, (9590), 5 states have internal predecessors, (9590), 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 15:03:51,325 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1918.0) internal successors, (9590), 5 states have internal predecessors, (9590), 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 15:03:51,325 INFO L175 Difference]: Start difference. First operand has 116 places, 154 transitions, 504 flow. Second operand 4 states and 2849 transitions. [2023-08-30 15:03:51,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 225 transitions, 1078 flow [2023-08-30 15:03:51,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 225 transitions, 1030 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 15:03:51,330 INFO L231 Difference]: Finished difference. Result has 105 places, 142 transitions, 456 flow [2023-08-30 15:03:51,330 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1918, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=105, PETRI_TRANSITIONS=142} [2023-08-30 15:03:51,331 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -39 predicate places. [2023-08-30 15:03:51,331 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 142 transitions, 456 flow [2023-08-30 15:03:51,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.75) internal successors, (2615), 4 states have internal predecessors, (2615), 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 15:03:51,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:03:51,332 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 15:03:51,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-30 15:03:51,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:03:51,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 15:03:51,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:03:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 9277314, now seen corresponding path program 1 times [2023-08-30 15:03:51,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:03:51,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371116835] [2023-08-30 15:03:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:03:51,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:03:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:03:51,602 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 15:03:51,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:03:51,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371116835] [2023-08-30 15:03:51,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371116835] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:03:51,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786732189] [2023-08-30 15:03:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:03:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:03:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:03:51,609 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 15:03:51,610 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 15:03:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:03:52,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 15:03:52,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:03:52,637 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 15:03:52,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:03:52,648 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 15:03:52,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786732189] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 15:03:52,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 15:03:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-08-30 15:03:52,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593928413] [2023-08-30 15:03:52,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 15:03:52,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 15:03:52,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:03:52,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 15:03:52,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-30 15:03:52,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 15:03:52,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 142 transitions, 456 flow. Second operand has 7 states, 7 states have (on average 654.1428571428571) internal successors, (4579), 7 states have internal predecessors, (4579), 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 15:03:52,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:03:52,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 15:03:52,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:07:41,812 INFO L130 PetriNetUnfolder]: 291916/393843 cut-off events. [2023-08-30 15:07:41,812 INFO L131 PetriNetUnfolder]: For 2100/2100 co-relation queries the response was YES. [2023-08-30 15:07:42,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792395 conditions, 393843 events. 291916/393843 cut-off events. For 2100/2100 co-relation queries the response was YES. Maximal size of possible extension queue 18974. Compared 2898396 event pairs, 235500 based on Foata normal form. 0/97941 useless extension candidates. Maximal degree in co-relation 633575. Up to 78799 conditions per place. [2023-08-30 15:07:43,315 INFO L137 encePairwiseOnDemand]: 1882/1918 looper letters, 450 selfloop transitions, 93 changer transitions 0/543 dead transitions. [2023-08-30 15:07:43,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 543 transitions, 2572 flow [2023-08-30 15:07:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 15:07:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 15:07:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4497 transitions. [2023-08-30 15:07:43,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3907716371220021 [2023-08-30 15:07:43,323 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4497 transitions. [2023-08-30 15:07:43,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4497 transitions. [2023-08-30 15:07:43,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:07:43,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4497 transitions. [2023-08-30 15:07:43,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 749.5) internal successors, (4497), 6 states have internal predecessors, (4497), 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 15:07:43,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1918.0) internal successors, (13426), 7 states have internal predecessors, (13426), 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 15:07:43,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1918.0) internal successors, (13426), 7 states have internal predecessors, (13426), 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 15:07:43,344 INFO L175 Difference]: Start difference. First operand has 105 places, 142 transitions, 456 flow. Second operand 6 states and 4497 transitions. [2023-08-30 15:07:43,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 543 transitions, 2572 flow [2023-08-30 15:07:43,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 543 transitions, 2514 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 15:07:43,355 INFO L231 Difference]: Finished difference. Result has 111 places, 211 transitions, 1127 flow [2023-08-30 15:07:43,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1918, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1127, PETRI_PLACES=111, PETRI_TRANSITIONS=211} [2023-08-30 15:07:43,356 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -33 predicate places. [2023-08-30 15:07:43,356 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 211 transitions, 1127 flow [2023-08-30 15:07:43,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 654.1428571428571) internal successors, (4579), 7 states have internal predecessors, (4579), 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 15:07:43,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:07:43,358 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1] [2023-08-30 15:07:43,370 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 15:07:43,563 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,SelfDestructingSolverStorable2 [2023-08-30 15:07:43,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 15:07:43,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:07:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1511733722, now seen corresponding path program 2 times [2023-08-30 15:07:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:07:43,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684594807] [2023-08-30 15:07:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:07:43,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:07:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:07:43,653 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 15:07:43,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:07:43,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684594807] [2023-08-30 15:07:43,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684594807] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:07:43,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643755878] [2023-08-30 15:07:43,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 15:07:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:07:43,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:07:43,655 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 15:07:43,658 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 15:07:44,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-30 15:07:44,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 15:07:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 15:07:44,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:07:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-30 15:07:44,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 15:07:44,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643755878] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:07:44,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 15:07:44,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2023-08-30 15:07:44,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612233121] [2023-08-30 15:07:44,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:07:44,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 15:07:44,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:07:44,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 15:07:44,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-08-30 15:07:44,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 1918 [2023-08-30 15:07:44,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 211 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 666.0) internal successors, (1998), 3 states have internal predecessors, (1998), 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 15:07:44,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:07:44,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 1918 [2023-08-30 15:07:44,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Killed by 15