/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -i ../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_good-50.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:07:27,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:07:27,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:07:27,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:07:27,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:07:27,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:07:27,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:07:27,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:07:27,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:07:27,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:07:27,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:07:27,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:07:27,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:07:27,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:07:27,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:07:27,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:07:27,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:07:27,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:07:27,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:07:27,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:07:27,235 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:07:27,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:07:27,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:07:27,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:07:27,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:07:27,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:07:27,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:07:27,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:07:27,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:07:27,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-22 12:07:27,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:07:27,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:07:27,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:07:27,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:07:27,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:07:27,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:07:27,286 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:07:27,286 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:07:27,286 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:07:27,286 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:07:27,286 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:07:27,287 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:07:27,287 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:07:27,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:07:27,287 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:07:27,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:07:27,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:07:27,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:07:27,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:07:27,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:07:27,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:07:27,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:07:27,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:07:27,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:07:27,289 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:07:27,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:07:27,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:07:27,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:07:27,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:07:27,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:07:27,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:07:27,291 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 12:07:27,292 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:07:27,292 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:07:27,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:07:27,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:07:27,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:07:27,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:07:27,691 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:07:27,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_good-50.i [2022-07-22 12:07:27,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0fd5d66/048641a74ee44c539db1ccbf845d6da5/FLAGa6ca5a907 [2022-07-22 12:07:28,543 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:07:28,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_good-50.i [2022-07-22 12:07:28,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0fd5d66/048641a74ee44c539db1ccbf845d6da5/FLAGa6ca5a907 [2022-07-22 12:07:28,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0fd5d66/048641a74ee44c539db1ccbf845d6da5 [2022-07-22 12:07:28,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:07:28,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:07:28,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:07:28,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:07:28,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:07:28,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:07:28" (1/1) ... [2022-07-22 12:07:28,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622988cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:28, skipping insertion in model container [2022-07-22 12:07:28,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:07:28" (1/1) ... [2022-07-22 12:07:28,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:07:28,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:07:29,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_good-50.i[30195,30208] [2022-07-22 12:07:29,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:07:29,322 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:07:29,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_good-50.i[30195,30208] [2022-07-22 12:07:29,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:07:29,513 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:07:29,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29 WrapperNode [2022-07-22 12:07:29,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:07:29,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:07:29,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:07:29,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:07:29,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,607 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2022-07-22 12:07:29,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:07:29,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:07:29,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:07:29,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:07:29,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:07:29,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:07:29,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:07:29,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:07:29,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (1/1) ... [2022-07-22 12:07:29,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:07:29,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:07:29,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:07:29,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:07:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-07-22 12:07:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-07-22 12:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-07-22 12:07:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-07-22 12:07:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:07:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:07:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:07:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:07:29,803 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:07:30,040 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:07:30,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:07:30,205 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:07:30,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:07:30,213 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-22 12:07:30,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:07:30 BoogieIcfgContainer [2022-07-22 12:07:30,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:07:30,217 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:07:30,217 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:07:30,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:07:30,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:07:30,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:07:28" (1/3) ... [2022-07-22 12:07:30,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5619deae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:07:30, skipping insertion in model container [2022-07-22 12:07:30,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:07:30,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:07:29" (2/3) ... [2022-07-22 12:07:30,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5619deae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:07:30, skipping insertion in model container [2022-07-22 12:07:30,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:07:30,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:07:30" (3/3) ... [2022-07-22 12:07:30,230 INFO L322 chiAutomizerObserver]: Analyzing ICFG reorder_c11_good-50.i [2022-07-22 12:07:30,309 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:07:30,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 92 transitions, 206 flow [2022-07-22 12:07:30,414 INFO L129 PetriNetUnfolder]: 27/203 cut-off events. [2022-07-22 12:07:30,414 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-22 12:07:30,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 203 events. 27/203 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 626 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 105. Up to 8 conditions per place. [2022-07-22 12:07:30,420 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 92 transitions, 206 flow [2022-07-22 12:07:30,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 92 transitions, 206 flow [2022-07-22 12:07:30,446 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:07:30,446 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:07:30,446 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:07:30,447 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:07:30,447 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:07:30,447 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:07:30,447 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:07:30,447 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:07:30,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:07:30,770 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 55 [2022-07-22 12:07:30,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:07:30,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:07:30,779 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [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, 1] [2022-07-22 12:07:30,779 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:07:30,780 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:07:30,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 1681 states, but on-demand construction may add more states [2022-07-22 12:07:30,817 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 55 [2022-07-22 12:07:30,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:07:30,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:07:30,821 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [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, 1] [2022-07-22 12:07:30,822 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:07:30,835 INFO L748 eck$LassoCheckResult]: Stem: 89#[ULTIMATE.startENTRY]don't care [197] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 92#[L-1]don't care [179] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 94#[L-1-1]don't care [206] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] 96#[L-1-2]don't care [207] L-1-2-->L680: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 98#[L680]don't care [202] L680-->L680-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] 100#[L680-1]don't care [161] L680-1-->L680-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 102#[L680-2]don't care [205] L680-2-->L680-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 104#[L680-3]don't care [176] L680-3-->L680-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] 106#[L680-4]don't care [195] L680-4-->L680-5: Formula: (= (select (select |v_#memory_int_3| 2) 0) 0) InVars {#memory_int=|v_#memory_int_3|} OutVars{#memory_int=|v_#memory_int_3|} AuxVars[] AssignedVars[] 108#[L680-5]don't care [159] L680-5-->L683: Formula: (= v_~a~0_2 0) InVars {} OutVars{~a~0=v_~a~0_2} AuxVars[] AssignedVars[~a~0] 110#[L683]don't care [144] L683-->L684: Formula: (= v_~b~0_2 0) InVars {} OutVars{~b~0=v_~b~0_2} AuxVars[] AssignedVars[~b~0] 112#[L684]don't care [129] L684-->L-1-3: Formula: (= v_~i~0_1 0) InVars {} OutVars{~i~0=v_~i~0_1} AuxVars[] AssignedVars[~i~0] 114#[L-1-3]don't care [209] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 116#[L-1-4]don't care [185] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 118#[L-1-5]don't care [149] L-1-5-->L-1-6: Formula: (and (= |v_ULTIMATE.start_#in~argv#1.offset_1| |v_ULTIMATE.start_main_#in~argv#1.offset_1|) (= |v_ULTIMATE.start_main_#in~argv#1.base_1| |v_ULTIMATE.start_#in~argv#1.base_1|) (= |v_ULTIMATE.start_main_#in~argc#1_1| |v_ULTIMATE.start_#in~argc#1_1|)) InVars {ULTIMATE.start_#in~argc#1=|v_ULTIMATE.start_#in~argc#1_1|, ULTIMATE.start_#in~argv#1.offset=|v_ULTIMATE.start_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.base=|v_ULTIMATE.start_#in~argv#1.base_1|} OutVars{ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_1|, ULTIMATE.start_#in~argc#1=|v_ULTIMATE.start_#in~argc#1_1|, ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_1|, ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.offset=|v_ULTIMATE.start_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.base=|v_ULTIMATE.start_#in~argv#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#in~argv#1.base, ULTIMATE.start_main_#in~argc#1, ULTIMATE.start_main_#in~argv#1.offset] 120#[L-1-6]don't care [183] L-1-6-->L-1-7: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 122#[L-1-7]don't care [147] L-1-7-->L699: Formula: true InVars {} OutVars{ULTIMATE.start_main_~argc#1=|v_ULTIMATE.start_main_~argc#1_1|, ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_1|, ULTIMATE.start_main_#t~mem8#1=|v_ULTIMATE.start_main_#t~mem8#1_1|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_1|, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_1|, ULTIMATE.start_main_~argv#1.offset=|v_ULTIMATE.start_main_~argv#1.offset_1|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_1|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_1|, ULTIMATE.start_main_~argv#1.base=|v_ULTIMATE.start_main_~argv#1.base_1|, ULTIMATE.start_main_~#checkPool~0#1.offset=|v_ULTIMATE.start_main_~#checkPool~0#1.offset_1|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_1|, ULTIMATE.start_main_#t~post7#1=|v_ULTIMATE.start_main_#t~post7#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_#t~post4#1=|v_ULTIMATE.start_main_#t~post4#1_1|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_1|, ULTIMATE.start_main_~#checkPool~0#1.base=|v_ULTIMATE.start_main_~#checkPool~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argc#1, ULTIMATE.start_main_#t~post1#1, ULTIMATE.start_main_#t~mem8#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~#setPool~0#1.base, ULTIMATE.start_main_~argv#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_#t~pre2#1, ULTIMATE.start_main_#t~pre5#1, ULTIMATE.start_main_~argv#1.base, ULTIMATE.start_main_~#checkPool~0#1.offset, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~post7#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_#t~post4#1, ULTIMATE.start_main_~#setPool~0#1.offset, ULTIMATE.start_main_~#checkPool~0#1.base] 124#[L699]don't care [182] L699-->L699-1: Formula: (= |v_ULTIMATE.start_main_#in~argc#1_2| |v_ULTIMATE.start_main_~argc#1_2|) InVars {ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_2|} OutVars{ULTIMATE.start_main_~argc#1=|v_ULTIMATE.start_main_~argc#1_2|, ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argc#1] 126#[L699-1]don't care [151] L699-1-->L700: Formula: (and (= |v_ULTIMATE.start_main_~argv#1.offset_2| |v_ULTIMATE.start_main_#in~argv#1.offset_2|) (= |v_ULTIMATE.start_main_#in~argv#1.base_2| |v_ULTIMATE.start_main_~argv#1.base_2|)) InVars {ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_2|, ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_2|} OutVars{ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_2|, ULTIMATE.start_main_~argv#1.base=|v_ULTIMATE.start_main_~argv#1.base_2|, ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_2|, ULTIMATE.start_main_~argv#1.offset=|v_ULTIMATE.start_main_~argv#1.offset_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argv#1.base, ULTIMATE.start_main_~argv#1.offset] 128#[L700]don't care [208] L700-->L700-1: Formula: (and (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_2|) 0) (= |v_ULTIMATE.start_main_~#setPool~0#1.offset_2| 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#setPool~0#1.base_2|) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 200) |v_#length_3|) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 1)) (not (= |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_2|, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#setPool~0#1.base, #valid, #length, ULTIMATE.start_main_~#setPool~0#1.offset] 130#[L700-1]don't care [211] L700-1-->L701: Formula: (and (= |v_ULTIMATE.start_main_~#checkPool~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 0)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 1)) (= |v_#length_5| (store |v_#length_6| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 4)) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{ULTIMATE.start_main_~#checkPool~0#1.offset=|v_ULTIMATE.start_main_~#checkPool~0#1.offset_2|, #StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, #valid=|v_#valid_6|, ULTIMATE.start_main_~#checkPool~0#1.base=|v_ULTIMATE.start_main_~#checkPool~0#1.base_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#checkPool~0#1.offset, #valid, #length, ULTIMATE.start_main_~#checkPool~0#1.base] 132#[L701]don't care [200] L701-->L702-5: Formula: (= v_~i~0_2 0) InVars {} OutVars{~i~0=v_~i~0_2} AuxVars[] AssignedVars[~i~0] 134#[L702-5]don't care [140] L702-5-->L703: Formula: (< v_~i~0_4 50) InVars {~i~0=v_~i~0_4} OutVars{~i~0=v_~i~0_4} AuxVars[] AssignedVars[] 138#[L703]don't care [143] L703-->L703-1: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 142#[L703-1]don't care [192] L703-1-->L703-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 148#[L703-2]don't care [166] L703-2-->L703-3: Formula: (let ((.cse1 (* 4 v_~i~0_5))) (let ((.cse0 (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1))) (and (<= 0 .cse0) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|)) (= (store |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3| (store (select |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) .cse0 |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_4|)))) InVars {~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_5|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] 154#[L703-3]don't care [228] L703-3-->setThreadENTRY: Formula: (and (= |v_setThreadThread1of1ForFork0_#in~param.offset_4| 0) (= |v_ULTIMATE.start_main_#t~pre2#1_6| v_setThreadThread1of1ForFork0_thidvar0_2) (= 0 |v_setThreadThread1of1ForFork0_#in~param.base_4|)) InVars {ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_6|} OutVars{setThreadThread1of1ForFork0_#in~param.offset=|v_setThreadThread1of1ForFork0_#in~param.offset_4|, setThreadThread1of1ForFork0_#res.base=|v_setThreadThread1of1ForFork0_#res.base_4|, setThreadThread1of1ForFork0_#res.offset=|v_setThreadThread1of1ForFork0_#res.offset_4|, setThreadThread1of1ForFork0_thidvar0=v_setThreadThread1of1ForFork0_thidvar0_2, setThreadThread1of1ForFork0_#in~param.base=|v_setThreadThread1of1ForFork0_#in~param.base_4|, setThreadThread1of1ForFork0_~param.base=v_setThreadThread1of1ForFork0_~param.base_4, setThreadThread1of1ForFork0_~param.offset=v_setThreadThread1of1ForFork0_~param.offset_4, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_6|} AuxVars[] AssignedVars[setThreadThread1of1ForFork0_#in~param.offset, setThreadThread1of1ForFork0_#res.base, setThreadThread1of1ForFork0_#res.offset, setThreadThread1of1ForFork0_thidvar0, setThreadThread1of1ForFork0_#in~param.base, setThreadThread1of1ForFork0_~param.base, setThreadThread1of1ForFork0_~param.offset] 162#[setThreadENTRY, L703-4]don't care [186] L703-4-->L703-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 172#[L703-5, setThreadENTRY]don't care [165] L703-5-->L702-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1] 184#[L702-2, setThreadENTRY]don't care [181] L702-2-->L702-3: Formula: (= |v_ULTIMATE.start_main_#t~post1#1_2| v_~i~0_6) InVars {~i~0=v_~i~0_6} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_2|, ~i~0=v_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 200#[L702-3, setThreadENTRY]don't care [155] L702-3-->L702-4: Formula: (= (+ |v_ULTIMATE.start_main_#t~post1#1_3| 1) v_~i~0_7) InVars {ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|, ~i~0=v_~i~0_7} AuxVars[] AssignedVars[~i~0] 220#[setThreadENTRY, L702-4]don't care [198] L702-4-->L702-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 246#[setThreadENTRY, L702-5]don't care [140] L702-5-->L703: Formula: (< v_~i~0_4 50) InVars {~i~0=v_~i~0_4} OutVars{~i~0=v_~i~0_4} AuxVars[] AssignedVars[] 276#[setThreadENTRY, L703]don't care [143] L703-->L703-1: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 308#[L703-1, setThreadENTRY]don't care [192] L703-1-->L703-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 346#[setThreadENTRY, L703-2]don't care [166] L703-2-->L703-3: Formula: (let ((.cse1 (* 4 v_~i~0_5))) (let ((.cse0 (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1))) (and (<= 0 .cse0) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|)) (= (store |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3| (store (select |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) .cse0 |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_4|)))) InVars {~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_5|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] 390#[setThreadENTRY, L703-3]don't care [226] L703-3-->ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 444#[ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [2022-07-22 12:07:30,836 INFO L750 eck$LassoCheckResult]: Loop: 444#[ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [227] ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES-->ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 444#[ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [2022-07-22 12:07:30,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:30,843 INFO L85 PathProgramCache]: Analyzing trace with hash 119272397, now seen corresponding path program 1 times [2022-07-22 12:07:30,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:30,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948146816] [2022-07-22 12:07:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,051 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:31,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:31,118 INFO L85 PathProgramCache]: Analyzing trace with hash 258, now seen corresponding path program 1 times [2022-07-22 12:07:31,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:31,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811692709] [2022-07-22 12:07:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,135 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:31,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:31,150 INFO L85 PathProgramCache]: Analyzing trace with hash -597522762, now seen corresponding path program 1 times [2022-07-22 12:07:31,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:31,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905356029] [2022-07-22 12:07:31,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:31,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,191 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:31,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:32,203 WARN L146 chiAutomizerObserver]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-07-22 12:07:32,228 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-07-22 12:07:32,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 110 transitions, 268 flow [2022-07-22 12:07:32,387 INFO L129 PetriNetUnfolder]: 111/654 cut-off events. [2022-07-22 12:07:32,388 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-07-22 12:07:32,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 654 events. 111/654 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3114 event pairs, 2 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 393. Up to 32 conditions per place. [2022-07-22 12:07:32,395 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 110 transitions, 268 flow [2022-07-22 12:07:32,411 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 110 transitions, 268 flow [2022-07-22 12:07:32,412 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:07:32,412 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:07:32,412 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:07:32,412 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:07:32,412 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:07:32,415 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:07:32,415 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:07:32,415 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:07:32,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:07:41,686 INFO L131 ngComponentsAnalysis]: Automaton has 2143 accepting balls. 2143 [2022-07-22 12:07:41,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:07:41,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:07:41,690 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 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] [2022-07-22 12:07:41,690 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:07:41,691 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:07:41,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 87394 states, but on-demand construction may add more states [2022-07-22 12:07:44,193 INFO L131 ngComponentsAnalysis]: Automaton has 2143 accepting balls. 2143 [2022-07-22 12:07:44,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:07:44,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:07:44,196 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 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] [2022-07-22 12:07:44,197 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:07:44,199 INFO L748 eck$LassoCheckResult]: Stem: 106#[ULTIMATE.startENTRY]don't care [305] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 109#[L-1]don't care [287] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 111#[L-1-1]don't care [314] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] 113#[L-1-2]don't care [315] L-1-2-->L680: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 115#[L680]don't care [310] L680-->L680-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] 117#[L680-1]don't care [269] L680-1-->L680-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 119#[L680-2]don't care [313] L680-2-->L680-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 121#[L680-3]don't care [284] L680-3-->L680-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] 123#[L680-4]don't care [303] L680-4-->L680-5: Formula: (= (select (select |v_#memory_int_3| 2) 0) 0) InVars {#memory_int=|v_#memory_int_3|} OutVars{#memory_int=|v_#memory_int_3|} AuxVars[] AssignedVars[] 125#[L680-5]don't care [267] L680-5-->L683: Formula: (= v_~a~0_2 0) InVars {} OutVars{~a~0=v_~a~0_2} AuxVars[] AssignedVars[~a~0] 127#[L683]don't care [252] L683-->L684: Formula: (= v_~b~0_2 0) InVars {} OutVars{~b~0=v_~b~0_2} AuxVars[] AssignedVars[~b~0] 129#[L684]don't care [237] L684-->L-1-3: Formula: (= v_~i~0_1 0) InVars {} OutVars{~i~0=v_~i~0_1} AuxVars[] AssignedVars[~i~0] 131#[L-1-3]don't care [317] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 133#[L-1-4]don't care [293] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 135#[L-1-5]don't care [257] L-1-5-->L-1-6: Formula: (and (= |v_ULTIMATE.start_#in~argv#1.offset_1| |v_ULTIMATE.start_main_#in~argv#1.offset_1|) (= |v_ULTIMATE.start_main_#in~argv#1.base_1| |v_ULTIMATE.start_#in~argv#1.base_1|) (= |v_ULTIMATE.start_main_#in~argc#1_1| |v_ULTIMATE.start_#in~argc#1_1|)) InVars {ULTIMATE.start_#in~argc#1=|v_ULTIMATE.start_#in~argc#1_1|, ULTIMATE.start_#in~argv#1.offset=|v_ULTIMATE.start_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.base=|v_ULTIMATE.start_#in~argv#1.base_1|} OutVars{ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_1|, ULTIMATE.start_#in~argc#1=|v_ULTIMATE.start_#in~argc#1_1|, ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_1|, ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.offset=|v_ULTIMATE.start_#in~argv#1.offset_1|, ULTIMATE.start_#in~argv#1.base=|v_ULTIMATE.start_#in~argv#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#in~argv#1.base, ULTIMATE.start_main_#in~argc#1, ULTIMATE.start_main_#in~argv#1.offset] 137#[L-1-6]don't care [291] L-1-6-->L-1-7: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 139#[L-1-7]don't care [255] L-1-7-->L699: Formula: true InVars {} OutVars{ULTIMATE.start_main_~argc#1=|v_ULTIMATE.start_main_~argc#1_1|, ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_1|, ULTIMATE.start_main_#t~mem8#1=|v_ULTIMATE.start_main_#t~mem8#1_1|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_1|, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_1|, ULTIMATE.start_main_~argv#1.offset=|v_ULTIMATE.start_main_~argv#1.offset_1|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_1|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_1|, ULTIMATE.start_main_~argv#1.base=|v_ULTIMATE.start_main_~argv#1.base_1|, ULTIMATE.start_main_~#checkPool~0#1.offset=|v_ULTIMATE.start_main_~#checkPool~0#1.offset_1|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_1|, ULTIMATE.start_main_#t~post7#1=|v_ULTIMATE.start_main_#t~post7#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_#t~post4#1=|v_ULTIMATE.start_main_#t~post4#1_1|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_1|, ULTIMATE.start_main_~#checkPool~0#1.base=|v_ULTIMATE.start_main_~#checkPool~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argc#1, ULTIMATE.start_main_#t~post1#1, ULTIMATE.start_main_#t~mem8#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_~#setPool~0#1.base, ULTIMATE.start_main_~argv#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_#t~pre2#1, ULTIMATE.start_main_#t~pre5#1, ULTIMATE.start_main_~argv#1.base, ULTIMATE.start_main_~#checkPool~0#1.offset, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~post7#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_#t~post4#1, ULTIMATE.start_main_~#setPool~0#1.offset, ULTIMATE.start_main_~#checkPool~0#1.base] 141#[L699]don't care [290] L699-->L699-1: Formula: (= |v_ULTIMATE.start_main_#in~argc#1_2| |v_ULTIMATE.start_main_~argc#1_2|) InVars {ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_2|} OutVars{ULTIMATE.start_main_~argc#1=|v_ULTIMATE.start_main_~argc#1_2|, ULTIMATE.start_main_#in~argc#1=|v_ULTIMATE.start_main_#in~argc#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argc#1] 143#[L699-1]don't care [259] L699-1-->L700: Formula: (and (= |v_ULTIMATE.start_main_~argv#1.offset_2| |v_ULTIMATE.start_main_#in~argv#1.offset_2|) (= |v_ULTIMATE.start_main_#in~argv#1.base_2| |v_ULTIMATE.start_main_~argv#1.base_2|)) InVars {ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_2|, ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_2|} OutVars{ULTIMATE.start_main_#in~argv#1.offset=|v_ULTIMATE.start_main_#in~argv#1.offset_2|, ULTIMATE.start_main_~argv#1.base=|v_ULTIMATE.start_main_~argv#1.base_2|, ULTIMATE.start_main_#in~argv#1.base=|v_ULTIMATE.start_main_#in~argv#1.base_2|, ULTIMATE.start_main_~argv#1.offset=|v_ULTIMATE.start_main_~argv#1.offset_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~argv#1.base, ULTIMATE.start_main_~argv#1.offset] 145#[L700]don't care [316] L700-->L700-1: Formula: (and (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_2|) 0) (= |v_ULTIMATE.start_main_~#setPool~0#1.offset_2| 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#setPool~0#1.base_2|) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 200) |v_#length_3|) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 1)) (not (= |v_ULTIMATE.start_main_~#setPool~0#1.base_2| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_2|, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#setPool~0#1.base, #valid, #length, ULTIMATE.start_main_~#setPool~0#1.offset] 147#[L700-1]don't care [319] L700-1-->L701: Formula: (and (= |v_ULTIMATE.start_main_~#checkPool~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 0)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 1)) (= |v_#length_5| (store |v_#length_6| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2| 4)) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#checkPool~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{ULTIMATE.start_main_~#checkPool~0#1.offset=|v_ULTIMATE.start_main_~#checkPool~0#1.offset_2|, #StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, #valid=|v_#valid_6|, ULTIMATE.start_main_~#checkPool~0#1.base=|v_ULTIMATE.start_main_~#checkPool~0#1.base_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#checkPool~0#1.offset, #valid, #length, ULTIMATE.start_main_~#checkPool~0#1.base] 149#[L701]don't care [308] L701-->L702-5: Formula: (= v_~i~0_2 0) InVars {} OutVars{~i~0=v_~i~0_2} AuxVars[] AssignedVars[~i~0] 151#[L702-5]don't care [248] L702-5-->L703: Formula: (< v_~i~0_4 50) InVars {~i~0=v_~i~0_4} OutVars{~i~0=v_~i~0_4} AuxVars[] AssignedVars[] 155#[L703]don't care [251] L703-->L703-1: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 159#[L703-1]don't care [300] L703-1-->L703-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 165#[L703-2]don't care [274] L703-2-->L703-3: Formula: (let ((.cse1 (* 4 v_~i~0_5))) (let ((.cse0 (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1))) (and (<= 0 .cse0) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|)) (= (store |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3| (store (select |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) .cse0 |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_4|)))) InVars {~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_5|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] 171#[L703-3]don't care [348] L703-3-->setThreadENTRY: Formula: (and (= 0 |v_setThreadThread1of2ForFork0_#in~param.base_4|) (= v_setThreadThread1of2ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre2#1_12|) (= 0 |v_setThreadThread1of2ForFork0_#in~param.offset_4|)) InVars {ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_12|} OutVars{setThreadThread1of2ForFork0_~param.offset=v_setThreadThread1of2ForFork0_~param.offset_4, setThreadThread1of2ForFork0_#in~param.base=|v_setThreadThread1of2ForFork0_#in~param.base_4|, setThreadThread1of2ForFork0_#res.base=|v_setThreadThread1of2ForFork0_#res.base_4|, setThreadThread1of2ForFork0_#in~param.offset=|v_setThreadThread1of2ForFork0_#in~param.offset_4|, setThreadThread1of2ForFork0_~param.base=v_setThreadThread1of2ForFork0_~param.base_4, setThreadThread1of2ForFork0_thidvar0=v_setThreadThread1of2ForFork0_thidvar0_2, setThreadThread1of2ForFork0_#res.offset=|v_setThreadThread1of2ForFork0_#res.offset_4|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_12|} AuxVars[] AssignedVars[setThreadThread1of2ForFork0_~param.offset, setThreadThread1of2ForFork0_#in~param.base, setThreadThread1of2ForFork0_#res.base, setThreadThread1of2ForFork0_#in~param.offset, setThreadThread1of2ForFork0_~param.base, setThreadThread1of2ForFork0_thidvar0, setThreadThread1of2ForFork0_#res.offset] 179#[L703-4, setThreadENTRY]don't care [294] L703-4-->L703-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 189#[L703-5, setThreadENTRY]don't care [273] L703-5-->L702-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1] 201#[L702-2, setThreadENTRY]don't care [289] L702-2-->L702-3: Formula: (= |v_ULTIMATE.start_main_#t~post1#1_2| v_~i~0_6) InVars {~i~0=v_~i~0_6} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_2|, ~i~0=v_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 217#[setThreadENTRY, L702-3]don't care [263] L702-3-->L702-4: Formula: (= (+ |v_ULTIMATE.start_main_#t~post1#1_3| 1) v_~i~0_7) InVars {ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|, ~i~0=v_~i~0_7} AuxVars[] AssignedVars[~i~0] 237#[setThreadENTRY, L702-4]don't care [306] L702-4-->L702-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 263#[setThreadENTRY, L702-5]don't care [248] L702-5-->L703: Formula: (< v_~i~0_4 50) InVars {~i~0=v_~i~0_4} OutVars{~i~0=v_~i~0_4} AuxVars[] AssignedVars[] 293#[setThreadENTRY, L703]don't care [251] L703-->L703-1: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 325#[L703-1, setThreadENTRY]don't care [300] L703-1-->L703-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 363#[setThreadENTRY, L703-2]don't care [274] L703-2-->L703-3: Formula: (let ((.cse1 (* 4 v_~i~0_5))) (let ((.cse0 (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1))) (and (<= 0 .cse0) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|)) (= (store |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3| (store (select |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) .cse0 |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_4|)))) InVars {~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_5|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] 407#[L703-3, setThreadENTRY]don't care [349] L703-3-->setThreadENTRY: Formula: (and (= |v_setThreadThread2of2ForFork0_#in~param.base_4| 0) (= |v_setThreadThread2of2ForFork0_#in~param.offset_4| 0) (= v_setThreadThread2of2ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre2#1_14|)) InVars {ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_14|} OutVars{setThreadThread2of2ForFork0_#in~param.base=|v_setThreadThread2of2ForFork0_#in~param.base_4|, setThreadThread2of2ForFork0_~param.offset=v_setThreadThread2of2ForFork0_~param.offset_4, setThreadThread2of2ForFork0_thidvar0=v_setThreadThread2of2ForFork0_thidvar0_2, setThreadThread2of2ForFork0_~param.base=v_setThreadThread2of2ForFork0_~param.base_4, setThreadThread2of2ForFork0_#in~param.offset=|v_setThreadThread2of2ForFork0_#in~param.offset_4|, setThreadThread2of2ForFork0_#res.base=|v_setThreadThread2of2ForFork0_#res.base_4|, setThreadThread2of2ForFork0_#res.offset=|v_setThreadThread2of2ForFork0_#res.offset_4|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_14|} AuxVars[] AssignedVars[setThreadThread2of2ForFork0_#in~param.base, setThreadThread2of2ForFork0_~param.offset, setThreadThread2of2ForFork0_thidvar0, setThreadThread2of2ForFork0_~param.base, setThreadThread2of2ForFork0_#in~param.offset, setThreadThread2of2ForFork0_#res.base, setThreadThread2of2ForFork0_#res.offset] 461#[setThreadENTRY, setThreadENTRY, L703-4]don't care [294] L703-4-->L703-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 527#[L703-5, setThreadENTRY, setThreadENTRY]don't care [273] L703-5-->L702-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3#1] 607#[L702-2, setThreadENTRY, setThreadENTRY]don't care [289] L702-2-->L702-3: Formula: (= |v_ULTIMATE.start_main_#t~post1#1_2| v_~i~0_6) InVars {~i~0=v_~i~0_6} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_2|, ~i~0=v_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 705#[setThreadENTRY, setThreadENTRY, L702-3]don't care [263] L702-3-->L702-4: Formula: (= (+ |v_ULTIMATE.start_main_#t~post1#1_3| 1) v_~i~0_7) InVars {ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_3|, ~i~0=v_~i~0_7} AuxVars[] AssignedVars[~i~0] 825#[setThreadENTRY, L702-4, setThreadENTRY]don't care [306] L702-4-->L702-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post1#1=|v_ULTIMATE.start_main_#t~post1#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post1#1] 975#[setThreadENTRY, setThreadENTRY, L702-5]don't care [248] L702-5-->L703: Formula: (< v_~i~0_4 50) InVars {~i~0=v_~i~0_4} OutVars{~i~0=v_~i~0_4} AuxVars[] AssignedVars[] 1165#[setThreadENTRY, L703, setThreadENTRY]don't care [251] L703-->L703-1: Formula: (= |v_ULTIMATE.start_main_#t~pre2#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre2#1] 1393#[L703-1, setThreadENTRY, setThreadENTRY]don't care [300] L703-1-->L703-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 1665#[L703-2, setThreadENTRY, setThreadENTRY]don't care [274] L703-2-->L703-3: Formula: (let ((.cse1 (* 4 v_~i~0_5))) (let ((.cse0 (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1))) (and (<= 0 .cse0) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#setPool~0#1.offset_3| .cse1 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|)) (= (store |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3| (store (select |v_#memory_int_5| |v_ULTIMATE.start_main_~#setPool~0#1.base_3|) .cse0 |v_ULTIMATE.start_main_#t~pre2#1_3|)) |v_#memory_int_4|)))) InVars {~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_5|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} OutVars{~i~0=v_~i~0_5, ULTIMATE.start_main_~#setPool~0#1.base=|v_ULTIMATE.start_main_~#setPool~0#1.base_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#setPool~0#1.offset=|v_ULTIMATE.start_main_~#setPool~0#1.offset_3|, ULTIMATE.start_main_#t~pre2#1=|v_ULTIMATE.start_main_#t~pre2#1_3|} AuxVars[] AssignedVars[#memory_int] 1975#[setThreadENTRY, setThreadENTRY, L703-3]don't care [346] L703-3-->ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 2329#[setThreadENTRY, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [2022-07-22 12:07:44,199 INFO L750 eck$LassoCheckResult]: Loop: 2329#[setThreadENTRY, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [347] ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES-->ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 2329#[setThreadENTRY, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, setThreadENTRY]don't care [2022-07-22 12:07:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1082224484, now seen corresponding path program 1 times [2022-07-22 12:07:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:44,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279998498] [2022-07-22 12:07:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:44,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,281 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:44,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 378, now seen corresponding path program 1 times [2022-07-22 12:07:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:44,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928880634] [2022-07-22 12:07:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,359 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:44,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:07:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash -810779017, now seen corresponding path program 1 times [2022-07-22 12:07:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:07:44,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091965323] [2022-07-22 12:07:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:07:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:07:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,393 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:07:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:07:44,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:07:45,532 WARN L146 chiAutomizerObserver]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-07-22 12:07:45,559 INFO L144 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2022-07-22 12:07:45,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 128 transitions, 334 flow [2022-07-22 12:07:46,126 INFO L129 PetriNetUnfolder]: 501/2273 cut-off events. [2022-07-22 12:07:46,127 INFO L130 PetriNetUnfolder]: For 419/419 co-relation queries the response was YES. [2022-07-22 12:07:46,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2724 conditions, 2273 events. 501/2273 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 14967 event pairs, 64 based on Foata normal form. 0/1965 useless extension candidates. Maximal degree in co-relation 1393. Up to 192 conditions per place. [2022-07-22 12:07:46,146 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 128 transitions, 334 flow [2022-07-22 12:07:46,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 128 transitions, 334 flow [2022-07-22 12:07:46,205 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:07:46,205 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:07:46,205 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:07:46,206 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:07:46,206 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:07:46,206 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:07:46,206 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:07:46,206 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:07:46,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states