./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:31:53,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:31:53,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:31:53,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:31:53,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:31:53,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:31:53,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:31:53,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:31:53,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:31:53,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:31:53,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:31:53,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:31:53,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:31:53,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:31:53,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:31:53,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:31:53,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:31:53,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:31:53,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:31:53,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:31:53,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:31:53,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:31:53,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:31:53,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:31:53,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:31:53,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:31:53,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:31:53,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:31:53,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:31:53,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:31:53,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:31:53,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:31:53,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:31:53,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:31:53,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:31:53,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:31:53,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:31:53,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:31:53,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:31:53,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:31:53,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:31:53,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:31:53,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:31:53,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:31:53,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:31:53,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:31:53,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:31:53,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:31:53,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:31:53,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:31:53,761 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:31:53,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:31:53,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:31:53,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:31:53,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:31:53,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:31:53,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:31:53,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:31:53,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:31:53,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:31:53,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:31:53,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:31:53,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:31:53,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:31:53,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:31:53,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:31:53,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2021-12-14 16:31:53,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:31:53,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:31:53,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:31:53,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:31:53,986 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:31:53,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-12-14 16:31:54,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4b3838c/48ade0c08a9a4f228c51b5dc9ac00f3c/FLAG647fd367c [2021-12-14 16:31:54,416 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:31:54,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-12-14 16:31:54,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4b3838c/48ade0c08a9a4f228c51b5dc9ac00f3c/FLAG647fd367c [2021-12-14 16:31:54,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4b3838c/48ade0c08a9a4f228c51b5dc9ac00f3c [2021-12-14 16:31:54,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:31:54,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:31:54,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:31:54,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:31:54,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:31:54,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545144a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54, skipping insertion in model container [2021-12-14 16:31:54,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:31:54,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:31:54,633 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-14 16:31:54,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-12-14 16:31:54,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:31:54,720 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:31:54,741 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-14 16:31:54,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-12-14 16:31:54,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:31:54,790 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:31:54,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54 WrapperNode [2021-12-14 16:31:54,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:31:54,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:31:54,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:31:54,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:31:54,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,819 INFO L137 Inliner]: procedures = 173, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-12-14 16:31:54,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:31:54,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:31:54,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:31:54,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:31:54,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:31:54,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:31:54,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:31:54,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:31:54,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (1/1) ... [2021-12-14 16:31:54,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:31:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:31:54,878 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) [2021-12-14 16:31:54,880 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 [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-14 16:31:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:31:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:31:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:31:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-14 16:31:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:31:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:31:54,911 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:31:55,004 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:31:55,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:31:55,153 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:31:55,201 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:31:55,201 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 16:31:55,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:31:55 BoogieIcfgContainer [2021-12-14 16:31:55,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:31:55,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:31:55,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:31:55,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:31:55,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:31:54" (1/3) ... [2021-12-14 16:31:55,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7337a668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:31:55, skipping insertion in model container [2021-12-14 16:31:55,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:31:54" (2/3) ... [2021-12-14 16:31:55,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7337a668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:31:55, skipping insertion in model container [2021-12-14 16:31:55,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:31:55" (3/3) ... [2021-12-14 16:31:55,209 INFO L111 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs.i [2021-12-14 16:31:55,212 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:31:55,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:31:55,212 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 16:31:55,212 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:31:55,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,233 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,234 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,235 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,236 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,237 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,238 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,239 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,241 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,242 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,243 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,244 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:31:55,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:31:55,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 16:31:55,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-14 16:31:55,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 155 flow [2021-12-14 16:31:55,380 INFO L129 PetriNetUnfolder]: 8/113 cut-off events. [2021-12-14 16:31:55,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:31:55,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 113 events. 8/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 208 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 57. Up to 4 conditions per place. [2021-12-14 16:31:55,384 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 75 transitions, 155 flow [2021-12-14 16:31:55,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 75 transitions, 155 flow [2021-12-14 16:31:55,405 INFO L129 PetriNetUnfolder]: 5/56 cut-off events. [2021-12-14 16:31:55,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:31:55,406 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:55,407 INFO L254 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] [2021-12-14 16:31:55,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2021-12-14 16:31:55,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:55,415 INFO L85 PathProgramCache]: Analyzing trace with hash 24858482, now seen corresponding path program 1 times [2021-12-14 16:31:55,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:55,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208902175] [2021-12-14 16:31:55,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:55,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:55,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:55,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208902175] [2021-12-14 16:31:55,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208902175] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:55,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:55,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:31:55,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810547858] [2021-12-14 16:31:55,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:55,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 16:31:55,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:55,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 16:31:55,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 16:31:55,633 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 75 [2021-12-14 16:31:55,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 155 flow. Second operand has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-14 16:31:55,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:55,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 75 [2021-12-14 16:31:55,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:55,694 INFO L129 PetriNetUnfolder]: 18/173 cut-off events. [2021-12-14 16:31:55,694 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-14 16:31:55,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 173 events. 18/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 505 event pairs, 9 based on Foata normal form. 13/164 useless extension candidates. Maximal degree in co-relation 152. Up to 38 conditions per place. [2021-12-14 16:31:55,696 INFO L132 encePairwiseOnDemand]: 72/75 looper letters, 9 selfloop transitions, 0 changer transitions 0/70 dead transitions. [2021-12-14 16:31:55,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 163 flow [2021-12-14 16:31:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 16:31:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-14 16:31:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 134 transitions. [2021-12-14 16:31:55,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8933333333333333 [2021-12-14 16:31:55,706 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 134 transitions. [2021-12-14 16:31:55,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 134 transitions. [2021-12-14 16:31:55,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:55,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 134 transitions. [2021-12-14 16:31:55,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 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) [2021-12-14 16:31:55,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-12-14 16:31:55,713 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-12-14 16:31:55,717 INFO L186 Difference]: Start difference. First operand has 73 places, 75 transitions, 155 flow. Second operand 2 states and 134 transitions. [2021-12-14 16:31:55,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 163 flow [2021-12-14 16:31:55,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 70 transitions, 163 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:55,725 INFO L242 Difference]: Finished difference. Result has 72 places, 70 transitions, 145 flow [2021-12-14 16:31:55,727 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=145, PETRI_PLACES=72, PETRI_TRANSITIONS=70} [2021-12-14 16:31:55,730 INFO L334 CegarLoopForPetriNet]: 73 programPoint places, -1 predicate places. [2021-12-14 16:31:55,730 INFO L470 AbstractCegarLoop]: Abstraction has has 72 places, 70 transitions, 145 flow [2021-12-14 16:31:55,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-14 16:31:55,731 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:55,731 INFO L254 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] [2021-12-14 16:31:55,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:31:55,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2021-12-14 16:31:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1969669199, now seen corresponding path program 1 times [2021-12-14 16:31:55,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:55,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595382269] [2021-12-14 16:31:55,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:55,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:55,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:55,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595382269] [2021-12-14 16:31:55,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595382269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:55,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:55,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 16:31:55,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742289003] [2021-12-14 16:31:55,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:55,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:31:55,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:55,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:31:55,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:31:55,810 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 75 [2021-12-14 16:31:55,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-12-14 16:31:55,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:55,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 75 [2021-12-14 16:31:55,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:55,891 INFO L129 PetriNetUnfolder]: 57/289 cut-off events. [2021-12-14 16:31:55,891 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-14 16:31:55,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 289 events. 57/289 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1140 event pairs, 20 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 417. Up to 80 conditions per place. [2021-12-14 16:31:55,894 INFO L132 encePairwiseOnDemand]: 69/75 looper letters, 22 selfloop transitions, 4 changer transitions 6/84 dead transitions. [2021-12-14 16:31:55,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 84 transitions, 237 flow [2021-12-14 16:31:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:31:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:31:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2021-12-14 16:31:55,900 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-12-14 16:31:55,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 190 transitions. [2021-12-14 16:31:55,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 190 transitions. [2021-12-14 16:31:55,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:55,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 190 transitions. [2021-12-14 16:31:55,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2021-12-14 16:31:55,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2021-12-14 16:31:55,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2021-12-14 16:31:55,905 INFO L186 Difference]: Start difference. First operand has 72 places, 70 transitions, 145 flow. Second operand 3 states and 190 transitions. [2021-12-14 16:31:55,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 84 transitions, 237 flow [2021-12-14 16:31:55,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 84 transitions, 237 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:55,908 INFO L242 Difference]: Finished difference. Result has 76 places, 72 transitions, 173 flow [2021-12-14 16:31:55,908 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2021-12-14 16:31:55,909 INFO L334 CegarLoopForPetriNet]: 73 programPoint places, 3 predicate places. [2021-12-14 16:31:55,909 INFO L470 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 173 flow [2021-12-14 16:31:55,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-12-14 16:31:55,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:55,910 INFO L254 CegarLoopForPetriNet]: trace histogram [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] [2021-12-14 16:31:55,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:31:55,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2021-12-14 16:31:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1114984198, now seen corresponding path program 1 times [2021-12-14 16:31:55,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:55,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493610844] [2021-12-14 16:31:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:55,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:31:55,950 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 16:31:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:31:55,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 16:31:55,972 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 16:31:55,972 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2021-12-14 16:31:55,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-12-14 16:31:55,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-12-14 16:31:55,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-12-14 16:31:55,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:31:55,977 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-14 16:31:55,980 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-14 16:31:55,980 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-14 16:31:55,990 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,991 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,991 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,991 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,994 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,994 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,994 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,995 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,997 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,998 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,998 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,998 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:55,999 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,000 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,001 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,002 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,002 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,002 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,002 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,007 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,008 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,009 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,010 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,011 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,012 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,013 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,014 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:31:56,016 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:31:56,016 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 16:31:56,017 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-14 16:31:56,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 93 transitions, 198 flow [2021-12-14 16:31:56,032 INFO L129 PetriNetUnfolder]: 13/171 cut-off events. [2021-12-14 16:31:56,034 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-14 16:31:56,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 171 events. 13/171 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 435 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2021-12-14 16:31:56,035 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 93 transitions, 198 flow [2021-12-14 16:31:56,036 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 93 transitions, 198 flow [2021-12-14 16:31:56,039 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-12-14 16:31:56,039 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:31:56,040 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:56,040 INFO L254 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] [2021-12-14 16:31:56,040 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:31:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:56,041 INFO L85 PathProgramCache]: Analyzing trace with hash -403506638, now seen corresponding path program 1 times [2021-12-14 16:31:56,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:56,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144251961] [2021-12-14 16:31:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:56,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:56,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:56,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144251961] [2021-12-14 16:31:56,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144251961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:56,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:56,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:31:56,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420981429] [2021-12-14 16:31:56,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:56,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 16:31:56,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:56,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 16:31:56,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 16:31:56,079 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 93 [2021-12-14 16:31:56,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 93 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2021-12-14 16:31:56,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:56,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 93 [2021-12-14 16:31:56,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:56,144 INFO L129 PetriNetUnfolder]: 150/610 cut-off events. [2021-12-14 16:31:56,145 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-12-14 16:31:56,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 610 events. 150/610 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3438 event pairs, 93 based on Foata normal form. 75/577 useless extension candidates. Maximal degree in co-relation 627. Up to 234 conditions per place. [2021-12-14 16:31:56,149 INFO L132 encePairwiseOnDemand]: 89/93 looper letters, 14 selfloop transitions, 0 changer transitions 0/86 dead transitions. [2021-12-14 16:31:56,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 86 transitions, 212 flow [2021-12-14 16:31:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 16:31:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-14 16:31:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 162 transitions. [2021-12-14 16:31:56,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2021-12-14 16:31:56,151 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 162 transitions. [2021-12-14 16:31:56,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 162 transitions. [2021-12-14 16:31:56,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:56,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 162 transitions. [2021-12-14 16:31:56,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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) [2021-12-14 16:31:56,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2021-12-14 16:31:56,153 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2021-12-14 16:31:56,154 INFO L186 Difference]: Start difference. First operand has 91 places, 93 transitions, 198 flow. Second operand 2 states and 162 transitions. [2021-12-14 16:31:56,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 86 transitions, 212 flow [2021-12-14 16:31:56,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 86 transitions, 210 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:56,156 INFO L242 Difference]: Finished difference. Result has 89 places, 86 transitions, 182 flow [2021-12-14 16:31:56,156 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2021-12-14 16:31:56,158 INFO L334 CegarLoopForPetriNet]: 91 programPoint places, -2 predicate places. [2021-12-14 16:31:56,158 INFO L470 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 182 flow [2021-12-14 16:31:56,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2021-12-14 16:31:56,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:56,159 INFO L254 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] [2021-12-14 16:31:56,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:31:56,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:31:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:56,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1667315025, now seen corresponding path program 1 times [2021-12-14 16:31:56,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:56,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086763424] [2021-12-14 16:31:56,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:56,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:56,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:56,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086763424] [2021-12-14 16:31:56,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086763424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:56,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:56,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 16:31:56,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500787178] [2021-12-14 16:31:56,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:56,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:31:56,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:56,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:31:56,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:31:56,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 93 [2021-12-14 16:31:56,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2021-12-14 16:31:56,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:56,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 93 [2021-12-14 16:31:56,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:56,436 INFO L129 PetriNetUnfolder]: 1077/2517 cut-off events. [2021-12-14 16:31:56,436 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-14 16:31:56,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4257 conditions, 2517 events. 1077/2517 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 17279 event pairs, 352 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 4252. Up to 1021 conditions per place. [2021-12-14 16:31:56,449 INFO L132 encePairwiseOnDemand]: 84/93 looper letters, 43 selfloop transitions, 6 changer transitions 0/108 dead transitions. [2021-12-14 16:31:56,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 108 transitions, 329 flow [2021-12-14 16:31:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:31:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:31:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2021-12-14 16:31:56,451 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8207885304659498 [2021-12-14 16:31:56,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2021-12-14 16:31:56,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2021-12-14 16:31:56,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:56,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2021-12-14 16:31:56,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2021-12-14 16:31:56,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 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) [2021-12-14 16:31:56,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 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) [2021-12-14 16:31:56,454 INFO L186 Difference]: Start difference. First operand has 89 places, 86 transitions, 182 flow. Second operand 3 states and 229 transitions. [2021-12-14 16:31:56,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 108 transitions, 329 flow [2021-12-14 16:31:56,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 108 transitions, 329 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:56,458 INFO L242 Difference]: Finished difference. Result has 93 places, 92 transitions, 236 flow [2021-12-14 16:31:56,458 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=93, PETRI_TRANSITIONS=92} [2021-12-14 16:31:56,459 INFO L334 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2021-12-14 16:31:56,459 INFO L470 AbstractCegarLoop]: Abstraction has has 93 places, 92 transitions, 236 flow [2021-12-14 16:31:56,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2021-12-14 16:31:56,460 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:56,460 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:31:56,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:31:56,460 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:31:56,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:56,461 INFO L85 PathProgramCache]: Analyzing trace with hash -767453885, now seen corresponding path program 1 times [2021-12-14 16:31:56,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:56,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884485903] [2021-12-14 16:31:56,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:56,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:31:56,489 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 16:31:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:31:56,516 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 16:31:56,520 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 16:31:56,520 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2021-12-14 16:31:56,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-14 16:31:56,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-12-14 16:31:56,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-12-14 16:31:56,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-14 16:31:56,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 16:31:56,523 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-14 16:31:56,524 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-14 16:31:56,524 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-14 16:31:56,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:31:56,573 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:31:56,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:31:56,577 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 16:31:56,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-14 16:31:56,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 111 transitions, 243 flow [2021-12-14 16:31:56,598 INFO L129 PetriNetUnfolder]: 18/229 cut-off events. [2021-12-14 16:31:56,598 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-14 16:31:56,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 229 events. 18/229 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 673 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 175. Up to 8 conditions per place. [2021-12-14 16:31:56,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 111 transitions, 243 flow [2021-12-14 16:31:56,602 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 111 transitions, 243 flow [2021-12-14 16:31:56,605 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2021-12-14 16:31:56,605 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:31:56,605 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:56,605 INFO L254 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] [2021-12-14 16:31:56,605 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:31:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1301976178, now seen corresponding path program 1 times [2021-12-14 16:31:56,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:56,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754675974] [2021-12-14 16:31:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:56,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:56,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:56,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754675974] [2021-12-14 16:31:56,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754675974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:56,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:56,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:31:56,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349783779] [2021-12-14 16:31:56,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:56,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 16:31:56,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:56,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 16:31:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 16:31:56,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 111 [2021-12-14 16:31:56,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 111 transitions, 243 flow. Second operand has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 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) [2021-12-14 16:31:56,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:56,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 111 [2021-12-14 16:31:56,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:56,852 INFO L129 PetriNetUnfolder]: 934/2503 cut-off events. [2021-12-14 16:31:56,852 INFO L130 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2021-12-14 16:31:56,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3862 conditions, 2503 events. 934/2503 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 18700 event pairs, 621 based on Foata normal form. 389/2398 useless extension candidates. Maximal degree in co-relation 2905. Up to 1274 conditions per place. [2021-12-14 16:31:56,873 INFO L132 encePairwiseOnDemand]: 106/111 looper letters, 19 selfloop transitions, 0 changer transitions 0/102 dead transitions. [2021-12-14 16:31:56,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 263 flow [2021-12-14 16:31:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 16:31:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-14 16:31:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2021-12-14 16:31:56,874 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8558558558558559 [2021-12-14 16:31:56,875 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 190 transitions. [2021-12-14 16:31:56,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 190 transitions. [2021-12-14 16:31:56,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:56,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 190 transitions. [2021-12-14 16:31:56,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 95.0) internal successors, (190), 2 states have internal predecessors, (190), 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) [2021-12-14 16:31:56,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-14 16:31:56,876 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-14 16:31:56,876 INFO L186 Difference]: Start difference. First operand has 109 places, 111 transitions, 243 flow. Second operand 2 states and 190 transitions. [2021-12-14 16:31:56,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 263 flow [2021-12-14 16:31:56,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 102 transitions, 257 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:56,881 INFO L242 Difference]: Finished difference. Result has 106 places, 102 transitions, 219 flow [2021-12-14 16:31:56,882 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=219, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2021-12-14 16:31:56,884 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2021-12-14 16:31:56,884 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 219 flow [2021-12-14 16:31:56,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 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) [2021-12-14 16:31:56,884 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:56,884 INFO L254 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] [2021-12-14 16:31:56,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 16:31:56,885 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:31:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 919134927, now seen corresponding path program 1 times [2021-12-14 16:31:56,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:56,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605636447] [2021-12-14 16:31:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:56,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:31:56,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:56,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605636447] [2021-12-14 16:31:56,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605636447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:56,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:56,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 16:31:56,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064561656] [2021-12-14 16:31:56,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:56,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:31:56,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:31:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:31:56,926 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 111 [2021-12-14 16:31:56,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2021-12-14 16:31:56,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:56,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 111 [2021-12-14 16:31:56,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:31:58,707 INFO L129 PetriNetUnfolder]: 15145/26404 cut-off events. [2021-12-14 16:31:58,707 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-12-14 16:31:58,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47580 conditions, 26404 events. 15145/26404 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 223391 event pairs, 5877 based on Foata normal form. 0/22557 useless extension candidates. Maximal degree in co-relation 47574. Up to 12218 conditions per place. [2021-12-14 16:31:58,872 INFO L132 encePairwiseOnDemand]: 99/111 looper letters, 58 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2021-12-14 16:31:58,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 132 transitions, 421 flow [2021-12-14 16:31:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:31:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:31:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2021-12-14 16:31:58,874 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8048048048048048 [2021-12-14 16:31:58,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2021-12-14 16:31:58,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2021-12-14 16:31:58,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:31:58,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2021-12-14 16:31:58,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2021-12-14 16:31:58,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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) [2021-12-14 16:31:58,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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) [2021-12-14 16:31:58,876 INFO L186 Difference]: Start difference. First operand has 106 places, 102 transitions, 219 flow. Second operand 3 states and 268 transitions. [2021-12-14 16:31:58,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 132 transitions, 421 flow [2021-12-14 16:31:58,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 132 transitions, 421 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:31:58,929 INFO L242 Difference]: Finished difference. Result has 110 places, 110 transitions, 291 flow [2021-12-14 16:31:58,929 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=110, PETRI_TRANSITIONS=110} [2021-12-14 16:31:58,930 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, 1 predicate places. [2021-12-14 16:31:58,930 INFO L470 AbstractCegarLoop]: Abstraction has has 110 places, 110 transitions, 291 flow [2021-12-14 16:31:58,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2021-12-14 16:31:58,930 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:31:58,930 INFO L254 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:31:58,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 16:31:58,930 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:31:58,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:31:58,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1474153519, now seen corresponding path program 1 times [2021-12-14 16:31:58,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:31:58,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312773615] [2021-12-14 16:31:58,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:31:58,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:31:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:31:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-14 16:31:59,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:31:59,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312773615] [2021-12-14 16:31:59,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312773615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:31:59,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:31:59,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:31:59,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282039121] [2021-12-14 16:31:59,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:31:59,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:31:59,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:31:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:31:59,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:31:59,069 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 111 [2021-12-14 16:31:59,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 110 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 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) [2021-12-14 16:31:59,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:31:59,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 111 [2021-12-14 16:31:59,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:32:00,003 INFO L129 PetriNetUnfolder]: 4513/11833 cut-off events. [2021-12-14 16:32:00,003 INFO L130 PetriNetUnfolder]: For 1409/1683 co-relation queries the response was YES. [2021-12-14 16:32:00,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21126 conditions, 11833 events. 4513/11833 cut-off events. For 1409/1683 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 124139 event pairs, 970 based on Foata normal form. 0/10498 useless extension candidates. Maximal degree in co-relation 21118. Up to 3938 conditions per place. [2021-12-14 16:32:00,091 INFO L132 encePairwiseOnDemand]: 99/111 looper letters, 64 selfloop transitions, 25 changer transitions 0/172 dead transitions. [2021-12-14 16:32:00,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 172 transitions, 623 flow [2021-12-14 16:32:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 16:32:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-14 16:32:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2021-12-14 16:32:00,093 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8108108108108109 [2021-12-14 16:32:00,093 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 540 transitions. [2021-12-14 16:32:00,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 540 transitions. [2021-12-14 16:32:00,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:32:00,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 540 transitions. [2021-12-14 16:32:00,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.0) internal successors, (540), 6 states have internal predecessors, (540), 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) [2021-12-14 16:32:00,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:00,096 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:00,096 INFO L186 Difference]: Start difference. First operand has 110 places, 110 transitions, 291 flow. Second operand 6 states and 540 transitions. [2021-12-14 16:32:00,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 172 transitions, 623 flow [2021-12-14 16:32:00,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 172 transitions, 607 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-14 16:32:00,109 INFO L242 Difference]: Finished difference. Result has 116 places, 136 transitions, 430 flow [2021-12-14 16:32:00,109 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=116, PETRI_TRANSITIONS=136} [2021-12-14 16:32:00,110 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, 7 predicate places. [2021-12-14 16:32:00,111 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 136 transitions, 430 flow [2021-12-14 16:32:00,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.83333333333333) internal successors, (461), 6 states have internal predecessors, (461), 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) [2021-12-14 16:32:00,111 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:00,111 INFO L254 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:32:00,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 16:32:00,112 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:32:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1514298013, now seen corresponding path program 2 times [2021-12-14 16:32:00,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:00,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284703072] [2021-12-14 16:32:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:00,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:32:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-14 16:32:00,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:32:00,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284703072] [2021-12-14 16:32:00,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284703072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:32:00,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:32:00,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:32:00,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788266250] [2021-12-14 16:32:00,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:32:00,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:32:00,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:32:00,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:32:00,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:32:00,225 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 111 [2021-12-14 16:32:00,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 136 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 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) [2021-12-14 16:32:00,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:32:00,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 111 [2021-12-14 16:32:00,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:32:01,289 INFO L129 PetriNetUnfolder]: 4699/12662 cut-off events. [2021-12-14 16:32:01,289 INFO L130 PetriNetUnfolder]: For 2425/3131 co-relation queries the response was YES. [2021-12-14 16:32:01,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23811 conditions, 12662 events. 4699/12662 cut-off events. For 2425/3131 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 135240 event pairs, 1174 based on Foata normal form. 302/11931 useless extension candidates. Maximal degree in co-relation 23800. Up to 3783 conditions per place. [2021-12-14 16:32:01,366 INFO L132 encePairwiseOnDemand]: 100/111 looper letters, 71 selfloop transitions, 27 changer transitions 0/180 dead transitions. [2021-12-14 16:32:01,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 180 transitions, 769 flow [2021-12-14 16:32:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 16:32:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-14 16:32:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 536 transitions. [2021-12-14 16:32:01,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8048048048048048 [2021-12-14 16:32:01,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 536 transitions. [2021-12-14 16:32:01,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 536 transitions. [2021-12-14 16:32:01,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:32:01,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 536 transitions. [2021-12-14 16:32:01,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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) [2021-12-14 16:32:01,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:01,371 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:01,371 INFO L186 Difference]: Start difference. First operand has 116 places, 136 transitions, 430 flow. Second operand 6 states and 536 transitions. [2021-12-14 16:32:01,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 180 transitions, 769 flow [2021-12-14 16:32:01,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 180 transitions, 769 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:32:01,374 INFO L242 Difference]: Finished difference. Result has 122 places, 142 transitions, 525 flow [2021-12-14 16:32:01,375 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=525, PETRI_PLACES=122, PETRI_TRANSITIONS=142} [2021-12-14 16:32:01,375 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, 13 predicate places. [2021-12-14 16:32:01,375 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 142 transitions, 525 flow [2021-12-14 16:32:01,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 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) [2021-12-14 16:32:01,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:01,376 INFO L254 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-12-14 16:32:01,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 16:32:01,376 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:32:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash -692684284, now seen corresponding path program 1 times [2021-12-14 16:32:01,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:01,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568479865] [2021-12-14 16:32:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:01,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:32:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-14 16:32:01,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:32:01,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568479865] [2021-12-14 16:32:01,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568479865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:32:01,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:32:01,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:32:01,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906940669] [2021-12-14 16:32:01,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:32:01,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:32:01,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:32:01,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:32:01,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:32:01,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 111 [2021-12-14 16:32:01,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 142 transitions, 525 flow. Second operand has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2021-12-14 16:32:01,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:32:01,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 111 [2021-12-14 16:32:01,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:32:02,440 INFO L129 PetriNetUnfolder]: 4388/11061 cut-off events. [2021-12-14 16:32:02,440 INFO L130 PetriNetUnfolder]: For 4738/7093 co-relation queries the response was YES. [2021-12-14 16:32:02,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22671 conditions, 11061 events. 4388/11061 cut-off events. For 4738/7093 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 112865 event pairs, 737 based on Foata normal form. 360/10664 useless extension candidates. Maximal degree in co-relation 22658. Up to 3774 conditions per place. [2021-12-14 16:32:02,525 INFO L132 encePairwiseOnDemand]: 99/111 looper letters, 71 selfloop transitions, 31 changer transitions 0/185 dead transitions. [2021-12-14 16:32:02,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 185 transitions, 895 flow [2021-12-14 16:32:02,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 16:32:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-14 16:32:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2021-12-14 16:32:02,527 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8108108108108109 [2021-12-14 16:32:02,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 540 transitions. [2021-12-14 16:32:02,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 540 transitions. [2021-12-14 16:32:02,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:32:02,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 540 transitions. [2021-12-14 16:32:02,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.0) internal successors, (540), 6 states have internal predecessors, (540), 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) [2021-12-14 16:32:02,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:02,530 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 111.0) internal successors, (777), 7 states have internal predecessors, (777), 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) [2021-12-14 16:32:02,530 INFO L186 Difference]: Start difference. First operand has 122 places, 142 transitions, 525 flow. Second operand 6 states and 540 transitions. [2021-12-14 16:32:02,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 185 transitions, 895 flow [2021-12-14 16:32:02,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 185 transitions, 852 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-12-14 16:32:02,537 INFO L242 Difference]: Finished difference. Result has 125 places, 149 transitions, 602 flow [2021-12-14 16:32:02,537 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=602, PETRI_PLACES=125, PETRI_TRANSITIONS=149} [2021-12-14 16:32:02,537 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, 16 predicate places. [2021-12-14 16:32:02,537 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 149 transitions, 602 flow [2021-12-14 16:32:02,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2021-12-14 16:32:02,538 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:02,538 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:32:02,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 16:32:02,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-14 16:32:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1878497531, now seen corresponding path program 1 times [2021-12-14 16:32:02,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:02,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966708081] [2021-12-14 16:32:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:02,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:32:02,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 16:32:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:32:02,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 16:32:02,556 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 16:32:02,556 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2021-12-14 16:32:02,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-14 16:32:02,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-12-14 16:32:02,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-12-14 16:32:02,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-12-14 16:32:02,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-14 16:32:02,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 16:32:02,558 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-12-14 16:32:02,558 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-14 16:32:02,558 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,581 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,586 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,587 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,588 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,589 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,590 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,591 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,592 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,593 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:32:02,600 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:32:02,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:32:02,602 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 16:32:02,602 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-14 16:32:02,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 129 transitions, 290 flow [2021-12-14 16:32:02,618 INFO L129 PetriNetUnfolder]: 23/287 cut-off events. [2021-12-14 16:32:02,619 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-14 16:32:02,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 287 events. 23/287 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 900 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 237. Up to 10 conditions per place. [2021-12-14 16:32:02,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 129 transitions, 290 flow [2021-12-14 16:32:02,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 129 transitions, 290 flow [2021-12-14 16:32:02,623 INFO L129 PetriNetUnfolder]: 4/54 cut-off events. [2021-12-14 16:32:02,623 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:32:02,623 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:02,624 INFO L254 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] [2021-12-14 16:32:02,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:32:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 846339634, now seen corresponding path program 1 times [2021-12-14 16:32:02,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:02,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461014112] [2021-12-14 16:32:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:02,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:32:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:32:02,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:32:02,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461014112] [2021-12-14 16:32:02,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461014112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:32:02,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:32:02,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:32:02,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252553368] [2021-12-14 16:32:02,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:32:02,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 16:32:02,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:32:02,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 16:32:02,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 16:32:02,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 129 [2021-12-14 16:32:02,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 129 transitions, 290 flow. Second operand has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 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) [2021-12-14 16:32:02,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:32:02,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 129 [2021-12-14 16:32:02,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:32:03,387 INFO L129 PetriNetUnfolder]: 5094/10988 cut-off events. [2021-12-14 16:32:03,387 INFO L130 PetriNetUnfolder]: For 755/755 co-relation queries the response was YES. [2021-12-14 16:32:03,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17853 conditions, 10988 events. 5094/10988 cut-off events. For 755/755 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 97345 event pairs, 3501 based on Foata normal form. 1903/10664 useless extension candidates. Maximal degree in co-relation 13547. Up to 6458 conditions per place. [2021-12-14 16:32:03,481 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 24 selfloop transitions, 0 changer transitions 0/118 dead transitions. [2021-12-14 16:32:03,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 118 transitions, 316 flow [2021-12-14 16:32:03,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 16:32:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-14 16:32:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 218 transitions. [2021-12-14 16:32:03,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8449612403100775 [2021-12-14 16:32:03,483 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 218 transitions. [2021-12-14 16:32:03,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 218 transitions. [2021-12-14 16:32:03,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:32:03,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 218 transitions. [2021-12-14 16:32:03,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 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) [2021-12-14 16:32:03,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2021-12-14 16:32:03,485 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2021-12-14 16:32:03,485 INFO L186 Difference]: Start difference. First operand has 127 places, 129 transitions, 290 flow. Second operand 2 states and 218 transitions. [2021-12-14 16:32:03,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 118 transitions, 316 flow [2021-12-14 16:32:03,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 304 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-14 16:32:03,487 INFO L242 Difference]: Finished difference. Result has 123 places, 118 transitions, 256 flow [2021-12-14 16:32:03,487 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2021-12-14 16:32:03,487 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2021-12-14 16:32:03,487 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 256 flow [2021-12-14 16:32:03,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 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) [2021-12-14 16:32:03,488 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:03,488 INFO L254 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] [2021-12-14 16:32:03,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-14 16:32:03,488 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:32:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:03,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1139084463, now seen corresponding path program 1 times [2021-12-14 16:32:03,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:03,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934161057] [2021-12-14 16:32:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:03,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:32:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:32:03,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:32:03,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934161057] [2021-12-14 16:32:03,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934161057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:32:03,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:32:03,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 16:32:03,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991441804] [2021-12-14 16:32:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:32:03,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:32:03,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:32:03,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:32:03,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:32:03,519 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 129 [2021-12-14 16:32:03,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2021-12-14 16:32:03,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:32:03,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 129 [2021-12-14 16:32:03,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:32:22,121 INFO L129 PetriNetUnfolder]: 183783/285555 cut-off events. [2021-12-14 16:32:22,122 INFO L130 PetriNetUnfolder]: For 1900/1900 co-relation queries the response was YES. [2021-12-14 16:32:23,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523454 conditions, 285555 events. 183783/285555 cut-off events. For 1900/1900 co-relation queries the response was YES. Maximal size of possible extension queue 10365. Compared 2719672 event pairs, 61182 based on Foata normal form. 0/240370 useless extension candidates. Maximal degree in co-relation 523447. Up to 135361 conditions per place. [2021-12-14 16:32:24,581 INFO L132 encePairwiseOnDemand]: 114/129 looper letters, 73 selfloop transitions, 10 changer transitions 0/156 dead transitions. [2021-12-14 16:32:24,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 156 transitions, 513 flow [2021-12-14 16:32:24,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:32:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:32:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2021-12-14 16:32:24,582 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7932816537467701 [2021-12-14 16:32:24,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2021-12-14 16:32:24,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2021-12-14 16:32:24,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:32:24,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2021-12-14 16:32:24,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2021-12-14 16:32:24,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:32:24,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:32:24,584 INFO L186 Difference]: Start difference. First operand has 123 places, 118 transitions, 256 flow. Second operand 3 states and 307 transitions. [2021-12-14 16:32:24,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 156 transitions, 513 flow [2021-12-14 16:32:24,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 156 transitions, 513 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-14 16:32:24,590 INFO L242 Difference]: Finished difference. Result has 127 places, 128 transitions, 346 flow [2021-12-14 16:32:24,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=127, PETRI_TRANSITIONS=128} [2021-12-14 16:32:24,591 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 0 predicate places. [2021-12-14 16:32:24,591 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 128 transitions, 346 flow [2021-12-14 16:32:24,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2021-12-14 16:32:24,592 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:32:24,592 INFO L254 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:32:24,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-14 16:32:24,592 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:32:24,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:32:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash 508719025, now seen corresponding path program 1 times [2021-12-14 16:32:24,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:32:24,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118689581] [2021-12-14 16:32:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:32:24,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:32:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:32:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-14 16:32:24,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:32:24,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118689581] [2021-12-14 16:32:24,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118689581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:32:24,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:32:24,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:32:24,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962174592] [2021-12-14 16:32:24,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:32:24,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:32:24,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:32:24,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:32:24,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:32:24,679 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 129 [2021-12-14 16:32:24,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 128 transitions, 346 flow. Second operand has 6 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 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) [2021-12-14 16:32:24,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:32:24,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 129 [2021-12-14 16:32:24,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand