/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 14:52:19,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 14:52:19,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 14:52:19,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 14:52:19,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 14:52:19,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 14:52:19,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 14:52:19,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 14:52:19,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 14:52:19,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 14:52:19,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 14:52:19,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 14:52:19,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 14:52:19,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 14:52:19,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 14:52:19,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 14:52:19,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 14:52:19,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 14:52:19,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 14:52:19,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 14:52:19,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 14:52:19,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 14:52:19,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 14:52:19,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 14:52:19,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 14:52:19,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 14:52:19,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 14:52:19,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 14:52:19,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl-Hitting.epf [2021-08-13 14:52:19,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 14:52:19,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 14:52:19,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 14:52:19,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 14:52:19,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 14:52:19,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 14:52:19,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 14:52:19,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 14:52:19,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 14:52:19,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 14:52:19,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 14:52:19,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 14:52:19,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 14:52:19,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 14:52:19,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 14:52:19,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 14:52:19,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 14:52:19,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 14:52:19,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 14:52:19,285 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 14:52:19,286 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 14:52:19,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 14:52:19,286 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 14:52:19,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 14:52:19,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 14:52:19,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 14:52:19,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 14:52:19,599 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 14:52:19,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-08-13 14:52:19,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c47dd6/18099ebe0b304604adb2aeda5d3ba885/FLAG3a3b480f5 [2021-08-13 14:52:20,209 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 14:52:20,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-08-13 14:52:20,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c47dd6/18099ebe0b304604adb2aeda5d3ba885/FLAG3a3b480f5 [2021-08-13 14:52:20,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c47dd6/18099ebe0b304604adb2aeda5d3ba885 [2021-08-13 14:52:20,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 14:52:20,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 14:52:20,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 14:52:20,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 14:52:20,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 14:52:20,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:52:20" (1/1) ... [2021-08-13 14:52:20,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533554a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:20, skipping insertion in model container [2021-08-13 14:52:20,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 02:52:20" (1/1) ... [2021-08-13 14:52:20,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 14:52:20,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 14:52:20,848 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 14:52:21,003 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-08-13 14:52:21,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 14:52:21,020 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 14:52:21,031 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-13 14:52:21,046 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-08-13 14:52:21,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 14:52:21,110 INFO L208 MainTranslator]: Completed translation [2021-08-13 14:52:21,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21 WrapperNode [2021-08-13 14:52:21,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 14:52:21,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 14:52:21,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 14:52:21,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 14:52:21,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 14:52:21,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 14:52:21,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 14:52:21,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 14:52:21,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... [2021-08-13 14:52:21,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 14:52:21,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 14:52:21,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 14:52:21,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 14:52:21,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 14:52:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 14:52:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-08-13 14:52:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 14:52:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 14:52:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 14:52:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 14:52:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-08-13 14:52:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-08-13 14:52:21,256 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 14:52:21,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 14:52:21,774 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 14:52:21,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:52:21 BoogieIcfgContainer [2021-08-13 14:52:21,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 14:52:21,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 14:52:21,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 14:52:21,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 14:52:21,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 02:52:20" (1/3) ... [2021-08-13 14:52:21,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58933fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:52:21, skipping insertion in model container [2021-08-13 14:52:21,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 02:52:21" (2/3) ... [2021-08-13 14:52:21,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58933fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:52:21, skipping insertion in model container [2021-08-13 14:52:21,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:52:21" (3/3) ... [2021-08-13 14:52:21,782 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-08-13 14:52:21,786 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 14:52:21,786 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 14:52:21,787 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 14:52:21,809 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,810 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,811 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,812 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,813 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,814 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,815 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,816 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,817 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,818 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,819 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,820 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,821 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,822 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,823 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,824 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,824 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,824 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,824 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,824 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,826 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,826 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,826 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,826 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,826 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,827 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,828 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,828 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,829 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,829 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,829 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,829 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,830 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,830 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,831 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,832 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,833 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 14:52:21,851 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-08-13 14:52:21,869 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 14:52:21,895 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 14:52:21,895 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 14:52:21,895 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 14:52:21,896 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 14:52:21,896 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 14:52:21,896 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 14:52:21,896 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 14:52:21,896 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 14:52:21,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 122 transitions, 312 flow [2021-08-13 14:52:22,015 INFO L129 PetriNetUnfolder]: 19/156 cut-off events. [2021-08-13 14:52:22,016 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-08-13 14:52:22,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 156 events. 19/156 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 316 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 107. Up to 12 conditions per place. [2021-08-13 14:52:22,023 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 122 transitions, 312 flow [2021-08-13 14:52:22,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 102 transitions, 252 flow [2021-08-13 14:52:22,037 INFO L129 PetriNetUnfolder]: 1/54 cut-off events. [2021-08-13 14:52:22,037 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 14:52:22,038 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:22,038 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:22,039 INFO L430 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash -984098930, now seen corresponding path program 1 times [2021-08-13 14:52:22,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:22,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442145040] [2021-08-13 14:52:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:22,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:22,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:22,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:22,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442145040] [2021-08-13 14:52:22,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442145040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:22,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:22,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 14:52:22,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701002458] [2021-08-13 14:52:22,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 14:52:22,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:22,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 14:52:22,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 14:52:22,315 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-08-13 14:52:22,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 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) [2021-08-13 14:52:22,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:22,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-08-13 14:52:22,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:22,915 INFO L129 PetriNetUnfolder]: 887/2849 cut-off events. [2021-08-13 14:52:22,915 INFO L130 PetriNetUnfolder]: For 485/485 co-relation queries the response was YES. [2021-08-13 14:52:22,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 2849 events. 887/2849 cut-off events. For 485/485 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 26463 event pairs, 151 based on Foata normal form. 132/2809 useless extension candidates. Maximal degree in co-relation 3895. Up to 388 conditions per place. [2021-08-13 14:52:22,954 INFO L132 encePairwiseOnDemand]: 110/122 looper letters, 54 selfloop transitions, 32 changer transitions 0/168 dead transitions. [2021-08-13 14:52:22,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 168 transitions, 556 flow [2021-08-13 14:52:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 14:52:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 14:52:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1326 transitions. [2021-08-13 14:52:23,021 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9057377049180327 [2021-08-13 14:52:23,021 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1326 transitions. [2021-08-13 14:52:23,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1326 transitions. [2021-08-13 14:52:23,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:23,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1326 transitions. [2021-08-13 14:52:23,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 110.5) internal successors, (1326), 12 states have internal predecessors, (1326), 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) [2021-08-13 14:52:23,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:23,057 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:23,058 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 11 predicate places. [2021-08-13 14:52:23,058 INFO L482 AbstractCegarLoop]: Abstraction has has 115 places, 168 transitions, 556 flow [2021-08-13 14:52:23,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 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) [2021-08-13 14:52:23,059 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:23,059 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:23,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 14:52:23,060 INFO L430 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:23,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:23,061 INFO L82 PathProgramCache]: Analyzing trace with hash 599492318, now seen corresponding path program 1 times [2021-08-13 14:52:23,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:23,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264961512] [2021-08-13 14:52:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:23,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:23,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:23,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:23,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:23,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:23,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:23,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264961512] [2021-08-13 14:52:23,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264961512] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:23,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:23,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 14:52:23,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689992151] [2021-08-13 14:52:23,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 14:52:23,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 14:52:23,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 14:52:23,202 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 122 [2021-08-13 14:52:23,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 168 transitions, 556 flow. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 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) [2021-08-13 14:52:23,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:23,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 122 [2021-08-13 14:52:23,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:24,342 INFO L129 PetriNetUnfolder]: 2314/7978 cut-off events. [2021-08-13 14:52:24,342 INFO L130 PetriNetUnfolder]: For 1550/1578 co-relation queries the response was YES. [2021-08-13 14:52:24,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13260 conditions, 7978 events. 2314/7978 cut-off events. For 1550/1578 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 92335 event pairs, 360 based on Foata normal form. 153/7693 useless extension candidates. Maximal degree in co-relation 12143. Up to 883 conditions per place. [2021-08-13 14:52:24,424 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 25 selfloop transitions, 13 changer transitions 0/192 dead transitions. [2021-08-13 14:52:24,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 192 transitions, 708 flow [2021-08-13 14:52:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 14:52:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 14:52:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 469 transitions. [2021-08-13 14:52:24,426 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9610655737704918 [2021-08-13 14:52:24,426 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 469 transitions. [2021-08-13 14:52:24,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 469 transitions. [2021-08-13 14:52:24,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:24,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 469 transitions. [2021-08-13 14:52:24,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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) [2021-08-13 14:52:24,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2021-08-13 14:52:24,429 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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) [2021-08-13 14:52:24,430 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 14 predicate places. [2021-08-13 14:52:24,430 INFO L482 AbstractCegarLoop]: Abstraction has has 118 places, 192 transitions, 708 flow [2021-08-13 14:52:24,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 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) [2021-08-13 14:52:24,430 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:24,430 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:24,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 14:52:24,431 INFO L430 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:24,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:24,434 INFO L82 PathProgramCache]: Analyzing trace with hash -289249570, now seen corresponding path program 2 times [2021-08-13 14:52:24,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:24,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990152465] [2021-08-13 14:52:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:24,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:24,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:24,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990152465] [2021-08-13 14:52:24,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990152465] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:24,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:24,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 14:52:24,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559882116] [2021-08-13 14:52:24,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 14:52:24,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:24,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 14:52:24,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 14:52:24,524 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 122 [2021-08-13 14:52:24,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 192 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-08-13 14:52:24,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:24,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 122 [2021-08-13 14:52:24,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:24,912 INFO L129 PetriNetUnfolder]: 862/3429 cut-off events. [2021-08-13 14:52:24,912 INFO L130 PetriNetUnfolder]: For 1061/1268 co-relation queries the response was YES. [2021-08-13 14:52:24,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5907 conditions, 3429 events. 862/3429 cut-off events. For 1061/1268 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 35524 event pairs, 79 based on Foata normal form. 84/3333 useless extension candidates. Maximal degree in co-relation 4808. Up to 396 conditions per place. [2021-08-13 14:52:24,943 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 7 selfloop transitions, 6 changer transitions 0/190 dead transitions. [2021-08-13 14:52:24,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 190 transitions, 722 flow [2021-08-13 14:52:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 14:52:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 14:52:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2021-08-13 14:52:24,945 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9562841530054644 [2021-08-13 14:52:24,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 350 transitions. [2021-08-13 14:52:24,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions. [2021-08-13 14:52:24,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:24,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions. [2021-08-13 14:52:24,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2021-08-13 14:52:24,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2021-08-13 14:52:24,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2021-08-13 14:52:24,948 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 16 predicate places. [2021-08-13 14:52:24,948 INFO L482 AbstractCegarLoop]: Abstraction has has 120 places, 190 transitions, 722 flow [2021-08-13 14:52:24,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2021-08-13 14:52:24,949 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:24,949 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:24,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 14:52:24,949 INFO L430 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash 266014307, now seen corresponding path program 1 times [2021-08-13 14:52:24,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:24,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115638239] [2021-08-13 14:52:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:25,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:25,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:25,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:25,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115638239] [2021-08-13 14:52:25,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115638239] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:25,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:25,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 14:52:25,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564721839] [2021-08-13 14:52:25,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 14:52:25,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:25,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 14:52:25,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 14:52:25,100 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-08-13 14:52:25,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 190 transitions, 722 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 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) [2021-08-13 14:52:25,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:25,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-08-13 14:52:25,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:25,855 INFO L129 PetriNetUnfolder]: 1364/5125 cut-off events. [2021-08-13 14:52:25,856 INFO L130 PetriNetUnfolder]: For 2181/2309 co-relation queries the response was YES. [2021-08-13 14:52:25,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10218 conditions, 5125 events. 1364/5125 cut-off events. For 2181/2309 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 55951 event pairs, 127 based on Foata normal form. 28/4963 useless extension candidates. Maximal degree in co-relation 8656. Up to 598 conditions per place. [2021-08-13 14:52:25,910 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 89 selfloop transitions, 91 changer transitions 0/290 dead transitions. [2021-08-13 14:52:25,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 290 transitions, 1472 flow [2021-08-13 14:52:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 14:52:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 14:52:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1313 transitions. [2021-08-13 14:52:25,914 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8968579234972678 [2021-08-13 14:52:25,914 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1313 transitions. [2021-08-13 14:52:25,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1313 transitions. [2021-08-13 14:52:25,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:25,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1313 transitions. [2021-08-13 14:52:25,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 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) [2021-08-13 14:52:25,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:25,921 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:25,922 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 27 predicate places. [2021-08-13 14:52:25,922 INFO L482 AbstractCegarLoop]: Abstraction has has 131 places, 290 transitions, 1472 flow [2021-08-13 14:52:25,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 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) [2021-08-13 14:52:25,922 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:25,922 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:25,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 14:52:25,923 INFO L430 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:25,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:25,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1205433183, now seen corresponding path program 1 times [2021-08-13 14:52:25,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:25,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945249217] [2021-08-13 14:52:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:25,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:25,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:25,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:25,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:25,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945249217] [2021-08-13 14:52:25,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945249217] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:25,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:25,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 14:52:25,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956447992] [2021-08-13 14:52:25,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 14:52:25,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:25,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 14:52:25,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 14:52:25,999 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 122 [2021-08-13 14:52:26,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 290 transitions, 1472 flow. Second operand has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2021-08-13 14:52:26,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:26,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 122 [2021-08-13 14:52:26,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:26,857 INFO L129 PetriNetUnfolder]: 1415/5230 cut-off events. [2021-08-13 14:52:26,857 INFO L130 PetriNetUnfolder]: For 3324/3659 co-relation queries the response was YES. [2021-08-13 14:52:26,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11879 conditions, 5230 events. 1415/5230 cut-off events. For 3324/3659 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 56825 event pairs, 107 based on Foata normal form. 28/5085 useless extension candidates. Maximal degree in co-relation 10284. Up to 612 conditions per place. [2021-08-13 14:52:26,907 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 135 selfloop transitions, 100 changer transitions 0/344 dead transitions. [2021-08-13 14:52:26,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 344 transitions, 2259 flow [2021-08-13 14:52:26,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 14:52:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 14:52:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1399 transitions. [2021-08-13 14:52:26,911 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.882093316519546 [2021-08-13 14:52:26,911 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1399 transitions. [2021-08-13 14:52:26,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1399 transitions. [2021-08-13 14:52:26,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:26,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1399 transitions. [2021-08-13 14:52:26,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 107.61538461538461) internal successors, (1399), 13 states have internal predecessors, (1399), 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) [2021-08-13 14:52:26,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:26,919 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:26,919 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 39 predicate places. [2021-08-13 14:52:26,919 INFO L482 AbstractCegarLoop]: Abstraction has has 143 places, 344 transitions, 2259 flow [2021-08-13 14:52:26,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2021-08-13 14:52:26,919 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:26,920 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:26,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 14:52:26,920 INFO L430 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash 161086081, now seen corresponding path program 1 times [2021-08-13 14:52:26,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:26,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021635017] [2021-08-13 14:52:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:26,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:26,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:26,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:26,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:26,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:26,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021635017] [2021-08-13 14:52:26,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021635017] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:26,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:26,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 14:52:26,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170720856] [2021-08-13 14:52:26,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 14:52:26,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:26,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 14:52:26,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 14:52:26,991 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 122 [2021-08-13 14:52:26,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 344 transitions, 2259 flow. Second operand has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2021-08-13 14:52:26,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:26,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 122 [2021-08-13 14:52:26,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:27,714 INFO L129 PetriNetUnfolder]: 1443/5174 cut-off events. [2021-08-13 14:52:27,714 INFO L130 PetriNetUnfolder]: For 4915/5667 co-relation queries the response was YES. [2021-08-13 14:52:27,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13282 conditions, 5174 events. 1443/5174 cut-off events. For 4915/5667 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 55159 event pairs, 84 based on Foata normal form. 37/5040 useless extension candidates. Maximal degree in co-relation 11724. Up to 588 conditions per place. [2021-08-13 14:52:27,770 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 163 selfloop transitions, 115 changer transitions 0/405 dead transitions. [2021-08-13 14:52:27,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 405 transitions, 3263 flow [2021-08-13 14:52:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 14:52:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 14:52:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1401 transitions. [2021-08-13 14:52:27,774 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8833543505674654 [2021-08-13 14:52:27,775 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1401 transitions. [2021-08-13 14:52:27,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1401 transitions. [2021-08-13 14:52:27,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:27,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1401 transitions. [2021-08-13 14:52:27,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 107.76923076923077) internal successors, (1401), 13 states have internal predecessors, (1401), 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) [2021-08-13 14:52:27,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:27,787 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:27,787 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 51 predicate places. [2021-08-13 14:52:27,787 INFO L482 AbstractCegarLoop]: Abstraction has has 155 places, 405 transitions, 3263 flow [2021-08-13 14:52:27,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2021-08-13 14:52:27,788 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:27,788 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:27,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 14:52:27,788 INFO L430 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:27,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:27,788 INFO L82 PathProgramCache]: Analyzing trace with hash 124157799, now seen corresponding path program 1 times [2021-08-13 14:52:27,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:27,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707253234] [2021-08-13 14:52:27,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:27,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:27,878 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-08-13 14:52:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 14:52:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:27,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:27,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707253234] [2021-08-13 14:52:27,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707253234] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:27,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:27,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 14:52:27,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405534464] [2021-08-13 14:52:27,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 14:52:27,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:27,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 14:52:27,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-13 14:52:27,891 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 122 [2021-08-13 14:52:27,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 405 transitions, 3263 flow. Second operand has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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) [2021-08-13 14:52:27,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:27,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 122 [2021-08-13 14:52:27,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:28,832 INFO L129 PetriNetUnfolder]: 1782/6836 cut-off events. [2021-08-13 14:52:28,842 INFO L130 PetriNetUnfolder]: For 7489/8194 co-relation queries the response was YES. [2021-08-13 14:52:28,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17552 conditions, 6836 events. 1782/6836 cut-off events. For 7489/8194 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 79364 event pairs, 77 based on Foata normal form. 110/6756 useless extension candidates. Maximal degree in co-relation 15371. Up to 874 conditions per place. [2021-08-13 14:52:28,994 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 73 selfloop transitions, 38 changer transitions 56/442 dead transitions. [2021-08-13 14:52:28,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 442 transitions, 3820 flow [2021-08-13 14:52:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 14:52:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 14:52:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1318 transitions. [2021-08-13 14:52:28,998 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9002732240437158 [2021-08-13 14:52:28,999 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1318 transitions. [2021-08-13 14:52:28,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1318 transitions. [2021-08-13 14:52:28,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:29,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1318 transitions. [2021-08-13 14:52:29,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 109.83333333333333) internal successors, (1318), 12 states have internal predecessors, (1318), 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) [2021-08-13 14:52:29,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:29,005 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-08-13 14:52:29,006 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 62 predicate places. [2021-08-13 14:52:29,006 INFO L482 AbstractCegarLoop]: Abstraction has has 166 places, 442 transitions, 3820 flow [2021-08-13 14:52:29,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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) [2021-08-13 14:52:29,006 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:29,006 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:29,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 14:52:29,007 INFO L430 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash 260468215, now seen corresponding path program 2 times [2021-08-13 14:52:29,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:29,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083322264] [2021-08-13 14:52:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 14:52:29,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:29,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:29,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:29,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:29,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 14:52:29,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-08-13 14:52:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 14:52:29,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 14:52:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 14:52:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 14:52:29,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 14:52:29,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083322264] [2021-08-13 14:52:29,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083322264] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 14:52:29,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 14:52:29,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 14:52:29,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796834262] [2021-08-13 14:52:29,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 14:52:29,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 14:52:29,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 14:52:29,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-13 14:52:29,108 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 122 [2021-08-13 14:52:29,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 442 transitions, 3820 flow. Second operand has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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) [2021-08-13 14:52:29,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 14:52:29,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 122 [2021-08-13 14:52:29,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 14:52:30,268 INFO L129 PetriNetUnfolder]: 1947/7629 cut-off events. [2021-08-13 14:52:30,268 INFO L130 PetriNetUnfolder]: For 9649/10376 co-relation queries the response was YES. [2021-08-13 14:52:30,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20374 conditions, 7629 events. 1947/7629 cut-off events. For 9649/10376 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 91001 event pairs, 82 based on Foata normal form. 64/7455 useless extension candidates. Maximal degree in co-relation 17864. Up to 1018 conditions per place. [2021-08-13 14:52:30,317 INFO L132 encePairwiseOnDemand]: 112/122 looper letters, 66 selfloop transitions, 44 changer transitions 101/464 dead transitions. [2021-08-13 14:52:30,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 464 transitions, 4364 flow [2021-08-13 14:52:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 14:52:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 14:52:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1419 transitions. [2021-08-13 14:52:30,321 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.894703656998739 [2021-08-13 14:52:30,321 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1419 transitions. [2021-08-13 14:52:30,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1419 transitions. [2021-08-13 14:52:30,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 14:52:30,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1419 transitions. [2021-08-13 14:52:30,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 109.15384615384616) internal successors, (1419), 13 states have internal predecessors, (1419), 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) [2021-08-13 14:52:30,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:30,328 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 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) [2021-08-13 14:52:30,328 INFO L348 CegarLoopForPetriNet]: 104 programPoint places, 74 predicate places. [2021-08-13 14:52:30,328 INFO L482 AbstractCegarLoop]: Abstraction has has 178 places, 464 transitions, 4364 flow [2021-08-13 14:52:30,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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) [2021-08-13 14:52:30,329 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 14:52:30,329 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 14:52:30,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 14:52:30,329 INFO L430 AbstractCegarLoop]: === Iteration 9 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 14:52:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 14:52:30,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1616708901, now seen corresponding path program 3 times [2021-08-13 14:52:30,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 14:52:30,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609282519] [2021-08-13 14:52:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 14:52:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 14:52:30,342 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 14:52:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 14:52:30,353 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 14:52:30,377 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-13 14:52:30,377 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-13 14:52:30,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 14:52:30,380 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 14:52:30,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 02:52:30 BasicIcfg [2021-08-13 14:52:30,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 14:52:30,432 INFO L168 Benchmark]: Toolchain (without parser) took 9756.79 ms. Allocated memory was 167.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 132.2 MB in the beginning and 965.0 MB in the end (delta: -832.8 MB). Peak memory consumption was 308.5 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,432 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 167.8 MB. Free memory was 150.5 MB in the beginning and 150.4 MB in the end (delta: 113.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 14:52:30,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.92 ms. Allocated memory is still 167.8 MB. Free memory was 132.0 MB in the beginning and 130.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.79 ms. Allocated memory is still 167.8 MB. Free memory was 130.4 MB in the beginning and 128.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,433 INFO L168 Benchmark]: Boogie Preprocessor took 33.60 ms. Allocated memory is still 167.8 MB. Free memory was 128.2 MB in the beginning and 126.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,433 INFO L168 Benchmark]: RCFGBuilder took 587.82 ms. Allocated memory is still 167.8 MB. Free memory was 126.6 MB in the beginning and 147.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,434 INFO L168 Benchmark]: TraceAbstraction took 8654.45 ms. Allocated memory was 167.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 146.9 MB in the beginning and 965.0 MB in the end (delta: -818.1 MB). Peak memory consumption was 323.2 MB. Max. memory is 8.0 GB. [2021-08-13 14:52:30,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 167.8 MB. Free memory was 150.5 MB in the beginning and 150.4 MB in the end (delta: 113.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 434.92 ms. Allocated memory is still 167.8 MB. Free memory was 132.0 MB in the beginning and 130.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.79 ms. Allocated memory is still 167.8 MB. Free memory was 130.4 MB in the beginning and 128.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.60 ms. Allocated memory is still 167.8 MB. Free memory was 128.2 MB in the beginning and 126.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 587.82 ms. Allocated memory is still 167.8 MB. Free memory was 126.6 MB in the beginning and 147.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8654.45 ms. Allocated memory was 167.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 146.9 MB in the beginning and 965.0 MB in the end (delta: -818.1 MB). Peak memory consumption was 323.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 738]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L704] 0 int w=0, r=0, x, y; VAL [r=0, w=0, x=0, y=0] [L748] 0 pthread_t t1, t2, t3, t4; VAL [r=0, w=0, x=0, y=0] [L749] FCALL, FORK 0 pthread_create(&t1, 0, writer, 0) VAL [r=0, w=0, x=0, y=0] [L750] FCALL, FORK 0 pthread_create(&t2, 0, reader, 0) VAL [r=0, w=0, x=0, y=0] [L724] 2 int l; VAL [r=0, w=0, x=0, y=0] [L725] CALL 2 __VERIFIER_atomic_take_read_lock() [L710] CALL 2 assume_abort_if_not(w==0) [L3] COND FALSE 2 !(!cond) [L710] RET 2 assume_abort_if_not(w==0) [L711] 2 r = r+1 [L725] RET 2 __VERIFIER_atomic_take_read_lock() [L727] 2 l = x VAL [r=1, w=0, x=0, y=0] [L730] 2 y = l VAL [r=1, w=0, x=0, y=0] [L733] 2 int ly = y; VAL [r=1, w=0, x=0, y=0] [L736] 2 int lx = x; VAL [r=1, w=0, x=0, y=0] [L738] COND FALSE 2 !(!(ly == lx)) VAL [r=1, w=0, x=0, y=0] [L740] 2 l = r-1 VAL [r=1, w=0, x=0, y=0] [L751] FCALL, FORK 0 pthread_create(&t3, 0, writer, 0) VAL [r=1, w=0, x=0, y=0] [L752] FCALL, FORK 0 pthread_create(&t4, 0, reader, 0) VAL [r=1, w=0, x=0, y=0] [L724] 4 int l; VAL [r=1, w=0, x=0, y=0] [L725] CALL 4 __VERIFIER_atomic_take_read_lock() [L710] CALL 4 assume_abort_if_not(w==0) [L3] COND FALSE 4 !(!cond) [L710] RET 4 assume_abort_if_not(w==0) [L711] 4 r = r+1 [L725] RET 4 __VERIFIER_atomic_take_read_lock() [L743] 2 r = l VAL [r=0, w=0, x=0, y=0] [L727] 4 l = x VAL [r=0, w=0, x=0, y=0] [L730] 4 y = l VAL [r=0, w=0, x=0, y=0] [L733] 4 int ly = y; VAL [r=0, w=0, x=0, y=0] [L714] CALL 1 __VERIFIER_atomic_take_write_lock() [L706] CALL 1 assume_abort_if_not(w==0 && r==0) [L3] COND FALSE 1 !(!cond) [L706] RET 1 assume_abort_if_not(w==0 && r==0) [L707] 1 w = 1 [L714] RET 1 __VERIFIER_atomic_take_write_lock() [L716] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L736] 4 int lx = x; VAL [r=0, w=1, x=3, y=0] [L738] COND TRUE 4 !(ly == lx) VAL [r=0, w=1, x=3, y=0] [L738] 4 reach_error() VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 135 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8486.2ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 7286.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 131.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 190 SDtfs, 333 SDslu, 272 SDs, 0 SdLazy, 722 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 400.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 526.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4364occurred in iteration=8, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.6ms SsaConstructionTime, 159.8ms SatisfiabilityAnalysisTime, 562.4ms InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...