/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:53:47,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:53:47,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:53:47,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:53:47,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:53:47,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:53:47,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:53:47,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:53:47,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:53:47,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:53:47,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:53:47,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:53:47,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:53:47,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:53:47,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:53:47,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:53:47,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:53:47,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:53:47,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:53:47,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:53:47,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:53:47,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:53:47,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:53:47,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:53:47,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:53:47,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:53:47,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:53:47,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:53:47,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:53:47,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:53:47,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:53:47,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:53:47,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:53:47,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:53:47,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:53:47,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:53:47,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:53:47,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:53:47,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:53:47,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:53:47,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:53:47,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-05 23:53:47,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:53:47,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:53:47,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:53:47,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:53:47,266 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:53:47,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:53:47,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:53:47,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:53:47,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:53:47,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:53:47,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:53:47,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:53:47,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:53:47,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:53:47,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:53:47,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:53:47,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:53:47,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:53:47,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:53:47,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:53:47,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:53:47,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:53:47,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:53:47,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:53:47,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:53:47,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:53:47,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:53:47,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:53:47,608 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:53:47,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2022-12-05 23:53:48,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:53:48,906 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:53:48,906 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2022-12-05 23:53:48,914 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0acf21c3f/b5a3511f4a9f478787bb355619bc8186/FLAG0500bdf8c [2022-12-05 23:53:48,925 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0acf21c3f/b5a3511f4a9f478787bb355619bc8186 [2022-12-05 23:53:48,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:53:48,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:53:48,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:53:48,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:53:48,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:53:48,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:48" (1/1) ... [2022-12-05 23:53:48,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490575d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:48, skipping insertion in model container [2022-12-05 23:53:48,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:48" (1/1) ... [2022-12-05 23:53:48,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:53:48,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:53:49,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,266 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,268 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,271 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,279 WARN L237 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-subst.wvr.c[19262,19275] [2022-12-05 23:53:49,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:53:49,302 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:53:49,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,314 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,352 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,353 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,382 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:53:49,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:53:49,429 WARN L237 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-subst.wvr.c[19262,19275] [2022-12-05 23:53:49,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:53:49,446 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:53:49,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49 WrapperNode [2022-12-05 23:53:49,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:53:49,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:53:49,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:53:49,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:53:49,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,580 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2314 [2022-12-05 23:53:49,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:53:49,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:53:49,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:53:49,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:53:49,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,674 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:53:49,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:53:49,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:53:49,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:53:49,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (1/1) ... [2022-12-05 23:53:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:53:49,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:53:49,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 23:53:49,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 23:53:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:53:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 23:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 23:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-05 23:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-05 23:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:53:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:53:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:53:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 23:53:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:53:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:53:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:53:49,772 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:53:49,962 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:53:49,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:53:51,613 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:53:53,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:53:53,818 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2022-12-05 23:53:53,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:53 BoogieIcfgContainer [2022-12-05 23:53:53,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:53:53,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:53:53,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:53:53,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:53:53,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:53:48" (1/3) ... [2022-12-05 23:53:53,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d73239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:53:53, skipping insertion in model container [2022-12-05 23:53:53,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:49" (2/3) ... [2022-12-05 23:53:53,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d73239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:53:53, skipping insertion in model container [2022-12-05 23:53:53,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:53" (3/3) ... [2022-12-05 23:53:53,828 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2022-12-05 23:53:53,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:53:53,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:53:53,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:53:54,184 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-05 23:53:54,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 606 places, 675 transitions, 1374 flow [2022-12-05 23:53:54,483 INFO L130 PetriNetUnfolder]: 79/672 cut-off events. [2022-12-05 23:53:54,483 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:53:54,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 672 events. 79/672 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 768 event pairs, 0 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 599. Up to 7 conditions per place. [2022-12-05 23:53:54,494 INFO L82 GeneralOperation]: Start removeDead. Operand has 606 places, 675 transitions, 1374 flow [2022-12-05 23:53:54,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 593 places, 662 transitions, 1342 flow [2022-12-05 23:53:54,509 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:53:54,536 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 593 places, 662 transitions, 1342 flow [2022-12-05 23:53:54,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 662 transitions, 1342 flow [2022-12-05 23:53:54,706 INFO L130 PetriNetUnfolder]: 79/662 cut-off events. [2022-12-05 23:53:54,707 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:53:54,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 662 events. 79/662 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 770 event pairs, 0 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 599. Up to 7 conditions per place. [2022-12-05 23:53:54,724 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 593 places, 662 transitions, 1342 flow [2022-12-05 23:53:54,725 INFO L188 LiptonReduction]: Number of co-enabled transitions 16638 [2022-12-05 23:55:17,135 INFO L203 LiptonReduction]: Total number of compositions: 595 [2022-12-05 23:55:17,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:55:17,153 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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;@74c04cd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:55:17,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 23:55:17,190 INFO L130 PetriNetUnfolder]: 24/57 cut-off events. [2022-12-05 23:55:17,191 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:55:17,191 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:55:17,192 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:55:17,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:55:17,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:55:17,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1726680469, now seen corresponding path program 1 times [2022-12-05 23:55:17,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:55:17,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149513062] [2022-12-05 23:55:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:55:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:55:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:55:17,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149513062] [2022-12-05 23:55:17,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149513062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:55:17,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:55:17,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:55:17,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125111772] [2022-12-05 23:55:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:55:17,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:55:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:55:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:55:17,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:55:17,907 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 58 [2022-12-05 23:55:17,909 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 58 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:17,909 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:55:17,909 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 58 [2022-12-05 23:55:17,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:55:19,144 INFO L130 PetriNetUnfolder]: 873/1102 cut-off events. [2022-12-05 23:55:19,144 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-05 23:55:19,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 1102 events. 873/1102 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2626 event pairs, 333 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 1844. Up to 1097 conditions per place. [2022-12-05 23:55:19,151 INFO L137 encePairwiseOnDemand]: 45/58 looper letters, 52 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2022-12-05 23:55:19,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 274 flow [2022-12-05 23:55:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:55:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:55:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-12-05 23:55:19,165 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.40229885057471265 [2022-12-05 23:55:19,167 INFO L175 Difference]: Start difference. First operand has 44 places, 58 transitions, 134 flow. Second operand 3 states and 70 transitions. [2022-12-05 23:55:19,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 274 flow [2022-12-05 23:55:19,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 64 transitions, 262 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-05 23:55:19,175 INFO L231 Difference]: Finished difference. Result has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,177 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=41, PETRI_TRANSITIONS=64} [2022-12-05 23:55:19,181 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2022-12-05 23:55:19,181 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:55:19,182 INFO L89 Accepts]: Start accepts. Operand has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,187 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:55:19,187 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:55:19,187 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,236 INFO L130 PetriNetUnfolder]: 24/64 cut-off events. [2022-12-05 23:55:19,236 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:55:19,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 64 events. 24/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 40. Up to 14 conditions per place. [2022-12-05 23:55:19,238 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,238 INFO L188 LiptonReduction]: Number of co-enabled transitions 504 [2022-12-05 23:55:19,239 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:55:19,242 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 61 [2022-12-05 23:55:19,242 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 64 transitions, 184 flow [2022-12-05 23:55:19,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:19,243 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:55:19,243 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:55:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:55:19,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:55:19,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:55:19,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1294434943, now seen corresponding path program 1 times [2022-12-05 23:55:19,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:55:19,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990009112] [2022-12-05 23:55:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:55:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-05 23:55:19,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:55:19,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990009112] [2022-12-05 23:55:19,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990009112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:55:19,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:55:19,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:55:19,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194625792] [2022-12-05 23:55:19,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:55:19,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:55:19,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:55:19,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:55:19,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:55:19,678 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 58 [2022-12-05 23:55:19,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 64 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:19,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:55:19,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 58 [2022-12-05 23:55:19,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:55:20,648 INFO L130 PetriNetUnfolder]: 873/1105 cut-off events. [2022-12-05 23:55:20,648 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-05 23:55:20,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 1105 events. 873/1105 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2626 event pairs, 333 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 2169. Up to 1103 conditions per place. [2022-12-05 23:55:20,653 INFO L137 encePairwiseOnDemand]: 51/58 looper letters, 61 selfloop transitions, 6 changer transitions 0/67 dead transitions. [2022-12-05 23:55:20,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 67 transitions, 324 flow [2022-12-05 23:55:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:55:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:55:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2022-12-05 23:55:20,658 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.367816091954023 [2022-12-05 23:55:20,658 INFO L175 Difference]: Start difference. First operand has 41 places, 64 transitions, 184 flow. Second operand 3 states and 64 transitions. [2022-12-05 23:55:20,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 67 transitions, 324 flow [2022-12-05 23:55:20,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 67 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:55:20,660 INFO L231 Difference]: Finished difference. Result has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,661 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=43, PETRI_TRANSITIONS=67} [2022-12-05 23:55:20,661 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2022-12-05 23:55:20,661 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:55:20,661 INFO L89 Accepts]: Start accepts. Operand has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,663 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:55:20,663 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:55:20,663 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,704 INFO L130 PetriNetUnfolder]: 24/67 cut-off events. [2022-12-05 23:55:20,705 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:55:20,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 67 events. 24/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 83. Up to 14 conditions per place. [2022-12-05 23:55:20,706 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,706 INFO L188 LiptonReduction]: Number of co-enabled transitions 504 [2022-12-05 23:55:20,706 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:55:20,707 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-05 23:55:20,707 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 67 transitions, 204 flow [2022-12-05 23:55:20,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:20,708 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:55:20,708 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:55:20,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:55:20,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:55:20,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:55:20,708 INFO L85 PathProgramCache]: Analyzing trace with hash 182678393, now seen corresponding path program 1 times [2022-12-05 23:55:20,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:55:20,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63221534] [2022-12-05 23:55:20,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:20,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:55:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-05 23:55:20,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:55:20,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63221534] [2022-12-05 23:55:20,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63221534] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:55:20,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:55:20,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:55:20,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216748949] [2022-12-05 23:55:20,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:55:20,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:55:20,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:55:20,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:55:20,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:55:20,978 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 58 [2022-12-05 23:55:20,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 67 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:20,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:55:20,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 58 [2022-12-05 23:55:20,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:55:22,103 INFO L130 PetriNetUnfolder]: 873/1108 cut-off events. [2022-12-05 23:55:22,103 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-05 23:55:22,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2274 conditions, 1108 events. 873/1108 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2626 event pairs, 333 based on Foata normal form. 1/572 useless extension candidates. Maximal degree in co-relation 2242. Up to 1106 conditions per place. [2022-12-05 23:55:22,108 INFO L137 encePairwiseOnDemand]: 51/58 looper letters, 64 selfloop transitions, 6 changer transitions 0/70 dead transitions. [2022-12-05 23:55:22,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 70 transitions, 350 flow [2022-12-05 23:55:22,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:55:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:55:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2022-12-05 23:55:22,110 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.367816091954023 [2022-12-05 23:55:22,110 INFO L175 Difference]: Start difference. First operand has 43 places, 67 transitions, 204 flow. Second operand 3 states and 64 transitions. [2022-12-05 23:55:22,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 70 transitions, 350 flow [2022-12-05 23:55:22,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 70 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:55:22,112 INFO L231 Difference]: Finished difference. Result has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,112 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=45, PETRI_TRANSITIONS=70} [2022-12-05 23:55:22,113 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2022-12-05 23:55:22,113 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:55:22,113 INFO L89 Accepts]: Start accepts. Operand has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,115 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:55:22,115 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:55:22,115 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,156 INFO L130 PetriNetUnfolder]: 24/70 cut-off events. [2022-12-05 23:55:22,156 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:55:22,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 70 events. 24/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 94. Up to 14 conditions per place. [2022-12-05 23:55:22,157 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,157 INFO L188 LiptonReduction]: Number of co-enabled transitions 504 [2022-12-05 23:55:22,158 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:55:22,159 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-05 23:55:22,159 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 70 transitions, 230 flow [2022-12-05 23:55:22,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:22,160 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:55:22,160 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:55:22,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:55:22,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:55:22,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:55:22,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1462396621, now seen corresponding path program 1 times [2022-12-05 23:55:22,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:55:22,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574856266] [2022-12-05 23:55:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:55:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-05 23:55:22,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:55:22,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574856266] [2022-12-05 23:55:22,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574856266] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 23:55:22,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389887818] [2022-12-05 23:55:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:22,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 23:55:22,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:55:22,653 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) [2022-12-05 23:55:22,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-05 23:55:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:23,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-05 23:55:23,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 23:55:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-05 23:55:23,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 23:55:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-05 23:55:23,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389887818] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 23:55:23,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 23:55:23,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-12-05 23:55:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374348932] [2022-12-05 23:55:23,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 23:55:23,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 23:55:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:55:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 23:55:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-05 23:55:23,555 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 58 [2022-12-05 23:55:23,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 70 transitions, 230 flow. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:23,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:55:23,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 58 [2022-12-05 23:55:23,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:55:24,576 INFO L130 PetriNetUnfolder]: 873/1132 cut-off events. [2022-12-05 23:55:24,576 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-05 23:55:24,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2357 conditions, 1132 events. 873/1132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2616 event pairs, 333 based on Foata normal form. 12/608 useless extension candidates. Maximal degree in co-relation 2293. Up to 1097 conditions per place. [2022-12-05 23:55:24,581 INFO L137 encePairwiseOnDemand]: 33/58 looper letters, 46 selfloop transitions, 48 changer transitions 0/94 dead transitions. [2022-12-05 23:55:24,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 94 transitions, 514 flow [2022-12-05 23:55:24,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 23:55:24,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 23:55:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 118 transitions. [2022-12-05 23:55:24,583 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2543103448275862 [2022-12-05 23:55:24,584 INFO L175 Difference]: Start difference. First operand has 45 places, 70 transitions, 230 flow. Second operand 8 states and 118 transitions. [2022-12-05 23:55:24,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 94 transitions, 514 flow [2022-12-05 23:55:24,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 94 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:55:24,587 INFO L231 Difference]: Finished difference. Result has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,587 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=466, PETRI_PLACES=52, PETRI_TRANSITIONS=94} [2022-12-05 23:55:24,588 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2022-12-05 23:55:24,588 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:55:24,588 INFO L89 Accepts]: Start accepts. Operand has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,590 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:55:24,590 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:55:24,590 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,638 INFO L130 PetriNetUnfolder]: 24/94 cut-off events. [2022-12-05 23:55:24,638 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:55:24,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 94 events. 24/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 172. Up to 20 conditions per place. [2022-12-05 23:55:24,639 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,639 INFO L188 LiptonReduction]: Number of co-enabled transitions 504 [2022-12-05 23:55:24,639 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:55:24,640 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 52 [2022-12-05 23:55:24,640 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 94 transitions, 466 flow [2022-12-05 23:55:24,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:55:24,641 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:55:24,641 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:55:24,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-05 23:55:24,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 23:55:24,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 23:55:24,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:55:24,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1816660563, now seen corresponding path program 2 times [2022-12-05 23:55:24,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:55:24,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194832306] [2022-12-05 23:55:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:55:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:55:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:55:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-05 23:55:25,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:55:25,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194832306] [2022-12-05 23:55:25,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194832306] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 23:55:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701251517] [2022-12-05 23:55:25,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 23:55:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 23:55:25,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:55:25,429 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) [2022-12-05 23:55:25,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-05 23:55:26,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-05 23:55:26,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 23:55:26,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-05 23:55:26,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 23:55:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 23:55:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 23:55:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 23:55:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 23:55:28,404 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-05 23:55:28,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 450 treesize of output 415 [2022-12-05 23:55:28,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-05 23:55:29,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-12-05 23:55:29,349 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-05 23:55:29,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2022-12-06 00:03:59,575 WARN L233 SmtUtils]: Spent 8.15m on a formula simplification. DAG size of input: 324 DAG size of output: 261 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-06 00:04:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 00:04:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 00:04:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 00:04:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver Received shutdown request... [2022-12-06 00:07:46,895 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 00:07:46,915 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 00:07:46,956 WARN L249 SmtUtils]: Removed 1599 from assertion stack [2022-12-06 00:07:46,958 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 00:07:46,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-06 00:07:47,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 00:07:47,160 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 65 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9423 for 225800ms.. [2022-12-06 00:07:47,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 00:07:47,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 00:07:47,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 00:07:47,161 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-06 00:07:47,164 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 00:07:47,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 00:07:47,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 12:07:47 BasicIcfg [2022-12-06 00:07:47,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 00:07:47,167 INFO L158 Benchmark]: Toolchain (without parser) took 838237.87ms. Allocated memory was 172.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 146.5MB in the beginning and 870.0MB in the end (delta: -723.6MB). Peak memory consumption was 879.1MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,167 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:07:47,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.62ms. Allocated memory is still 172.0MB. Free memory was 146.1MB in the beginning and 143.2MB in the end (delta: 3.0MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.43ms. Allocated memory is still 172.0MB. Free memory was 142.6MB in the beginning and 131.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,168 INFO L158 Benchmark]: Boogie Preprocessor took 109.65ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 121.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,168 INFO L158 Benchmark]: RCFGBuilder took 4129.24ms. Allocated memory was 172.0MB in the beginning and 286.3MB in the end (delta: 114.3MB). Free memory was 121.1MB in the beginning and 210.2MB in the end (delta: -89.1MB). Peak memory consumption was 184.6MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,168 INFO L158 Benchmark]: TraceAbstraction took 833343.25ms. Allocated memory was 286.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 209.7MB in the beginning and 870.0MB in the end (delta: -660.3MB). Peak memory consumption was 827.2MB. Max. memory is 8.0GB. [2022-12-06 00:07:47,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 517.62ms. Allocated memory is still 172.0MB. Free memory was 146.1MB in the beginning and 143.2MB in the end (delta: 3.0MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 132.43ms. Allocated memory is still 172.0MB. Free memory was 142.6MB in the beginning and 131.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.65ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 121.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 4129.24ms. Allocated memory was 172.0MB in the beginning and 286.3MB in the end (delta: 114.3MB). Free memory was 121.1MB in the beginning and 210.2MB in the end (delta: -89.1MB). Peak memory consumption was 184.6MB. Max. memory is 8.0GB. * TraceAbstraction took 833343.25ms. Allocated memory was 286.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 209.7MB in the beginning and 870.0MB in the end (delta: -660.3MB). Peak memory consumption was 827.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.4s, 593 PlacesBefore, 44 PlacesAfterwards, 662 TransitionsBefore, 58 TransitionsAfterwards, 16638 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 435 TrivialYvCompositions, 114 ConcurrentYvCompositions, 46 ChoiceCompositions, 595 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13834, independent: 13806, independent conditional: 13806, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13834, independent: 13806, independent conditional: 0, independent unconditional: 13806, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13834, independent: 13806, independent conditional: 0, independent unconditional: 13806, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13834, independent: 13806, independent conditional: 0, independent unconditional: 13806, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10140, independent: 10112, independent conditional: 0, independent unconditional: 10112, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10140, independent: 10112, independent conditional: 0, independent unconditional: 10112, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13834, independent: 3694, independent conditional: 0, independent unconditional: 3694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 10140, unknown conditional: 0, unknown unconditional: 10140] , Statistics on independence cache: Total cache size (in pairs): 20247, Positive cache size: 20219, Positive conditional cache size: 0, Positive unconditional cache size: 20219, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 43 PlacesBefore, 43 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 52 PlacesBefore, 52 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 344]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 65 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9423 for 225800ms.. - TimeoutResultAtElement [Line: 338]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 65 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9423 for 225800ms.. - TimeoutResultAtElement [Line: 336]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 65 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9423 for 225800ms.. - TimeoutResultAtElement [Line: 337]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 65 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9423 for 225800ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 714 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 833.0s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 82.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 559 IncrementalHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 0 mSDtfsCounter, 559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 1 NumberOfNonLiveVariables, 696 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 48/51 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown