/usr/bin/java -Xmx16000000000 -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-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 09:37:44,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 09:37:44,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 09:37:44,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 09:37:44,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 09:37:44,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 09:37:44,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 09:37:44,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 09:37:44,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 09:37:44,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 09:37:44,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 09:37:44,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 09:37:44,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 09:37:44,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 09:37:44,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 09:37:44,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 09:37:44,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 09:37:44,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 09:37:45,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 09:37:45,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 09:37:45,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 09:37:45,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 09:37:45,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 09:37:45,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 09:37:45,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 09:37:45,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 09:37:45,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 09:37:45,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 09:37:45,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 09:37:45,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 09:37:45,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 09:37:45,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 09:37:45,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 09:37:45,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 09:37:45,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 09:37:45,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 09:37:45,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 09:37:45,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 09:37:45,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 09:37:45,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 09:37:45,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 09:37:45,021 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-FA-SemanticLbe.epf [2021-03-11 09:37:45,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 09:37:45,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 09:37:45,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 09:37:45,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 09:37:45,048 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 09:37:45,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 09:37:45,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 09:37:45,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 09:37:45,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 09:37:45,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 09:37:45,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 09:37:45,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 09:37:45,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:37:45,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 09:37:45,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 09:37:45,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 09:37:45,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 09:37:45,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 09:37:45,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 09:37:45,318 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 09:37:45,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-03-11 09:37:45,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76915bb81/877bf31848544078a0130979bff78541/FLAG5b52a607c [2021-03-11 09:37:45,797 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 09:37:45,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2021-03-11 09:37:45,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76915bb81/877bf31848544078a0130979bff78541/FLAG5b52a607c [2021-03-11 09:37:45,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76915bb81/877bf31848544078a0130979bff78541 [2021-03-11 09:37:45,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 09:37:45,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 09:37:45,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:45,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 09:37:45,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 09:37:45,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:45" (1/1) ... [2021-03-11 09:37:45,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733df2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:45, skipping insertion in model container [2021-03-11 09:37:45,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:45" (1/1) ... [2021-03-11 09:37:45,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 09:37:45,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 09:37:45,999 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 09:37:46,076 WARN L226 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] [2021-03-11 09:37:46,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:46,121 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 09:37:46,141 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 09:37:46,155 WARN L226 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] [2021-03-11 09:37:46,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:46,208 INFO L208 MainTranslator]: Completed translation [2021-03-11 09:37:46,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46 WrapperNode [2021-03-11 09:37:46,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:46,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:46,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 09:37:46,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 09:37:46,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:46,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 09:37:46,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 09:37:46,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 09:37:46,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (1/1) ... [2021-03-11 09:37:46,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 09:37:46,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 09:37:46,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 09:37:46,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 09:37:46,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (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 [2021-03-11 09:37:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 09:37:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 09:37:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 09:37:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-11 09:37:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-11 09:37:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 09:37:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 09:37:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 09:37:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 09:37:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 09:37:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 09:37:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-11 09:37:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-11 09:37:46,321 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 09:37:46,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 09:37:46,614 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 09:37:46,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:46 BoogieIcfgContainer [2021-03-11 09:37:46,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 09:37:46,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 09:37:46,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 09:37:46,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 09:37:46,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:37:45" (1/3) ... [2021-03-11 09:37:46,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a7ec38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:46, skipping insertion in model container [2021-03-11 09:37:46,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:46" (2/3) ... [2021-03-11 09:37:46,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a7ec38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:46, skipping insertion in model container [2021-03-11 09:37:46,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:46" (3/3) ... [2021-03-11 09:37:46,619 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2021-03-11 09:37:46,623 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 09:37:46,623 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 09:37:46,625 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 09:37:46,626 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 09:37:46,643 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,643 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,643 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,643 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,644 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,645 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,646 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,647 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,648 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,649 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,650 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,651 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,654 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,655 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,655 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,655 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,656 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,657 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,658 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,658 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork1_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,659 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,660 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,661 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,661 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,661 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork3_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:46,671 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-11 09:37:46,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 09:37:46,692 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 09:37:46,692 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 09:37:46,692 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 09:37:46,692 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 09:37:46,692 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 09:37:46,693 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 09:37:46,693 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 09:37:46,693 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 09:37:46,700 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 09:37:46,706 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 110 transitions, 288 flow [2021-03-11 09:37:46,707 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 110 transitions, 288 flow [2021-03-11 09:37:46,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 110 transitions, 288 flow [2021-03-11 09:37:46,752 INFO L129 PetriNetUnfolder]: 19/144 cut-off events. [2021-03-11 09:37:46,752 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-11 09:37:46,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 144 events. 19/144 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 345 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 97. Up to 12 conditions per place. [2021-03-11 09:37:46,760 INFO L116 LiptonReduction]: Number of co-enabled transitions 2994 [2021-03-11 09:37:48,910 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2021-03-11 09:37:49,189 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2021-03-11 09:37:49,407 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-03-11 09:37:49,526 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-11 09:37:49,653 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-03-11 09:37:49,766 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-11 09:37:49,801 INFO L131 LiptonReduction]: Checked pairs total: 24461 [2021-03-11 09:37:49,801 INFO L133 LiptonReduction]: Total number of compositions: 62 [2021-03-11 09:37:49,809 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 60 transitions, 188 flow [2021-03-11 09:37:50,124 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6574 states, 6570 states have (on average 3.620091324200913) internal successors, (23784), 6573 states have internal predecessors, (23784), 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) [2021-03-11 09:37:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 6574 states, 6570 states have (on average 3.620091324200913) internal successors, (23784), 6573 states have internal predecessors, (23784), 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) [2021-03-11 09:37:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:37:50,159 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:50,159 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:50,159 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash -703160511, now seen corresponding path program 1 times [2021-03-11 09:37:50,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:50,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868598022] [2021-03-11 09:37:50,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:50,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868598022] [2021-03-11 09:37:50,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:50,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:50,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232591506] [2021-03-11 09:37:50,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:50,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:50,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:50,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,367 INFO L87 Difference]: Start difference. First operand has 6574 states, 6570 states have (on average 3.620091324200913) internal successors, (23784), 6573 states have internal predecessors, (23784), 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) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-03-11 09:37:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:50,574 INFO L93 Difference]: Finished difference Result 15037 states and 51744 transitions. [2021-03-11 09:37:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:37:50,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 9 [2021-03-11 09:37:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:50,641 INFO L225 Difference]: With dead ends: 15037 [2021-03-11 09:37:50,641 INFO L226 Difference]: Without dead ends: 11233 [2021-03-11 09:37:50,642 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11233 states. [2021-03-11 09:37:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11233 to 6772. [2021-03-11 09:37:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6772 states, 6769 states have (on average 3.514108435514847) internal successors, (23787), 6771 states have internal predecessors, (23787), 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) [2021-03-11 09:37:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 23787 transitions. [2021-03-11 09:37:50,995 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 23787 transitions. Word has length 9 [2021-03-11 09:37:50,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:50,996 INFO L480 AbstractCegarLoop]: Abstraction has 6772 states and 23787 transitions. [2021-03-11 09:37:50,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-03-11 09:37:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 23787 transitions. [2021-03-11 09:37:51,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:37:51,000 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:51,000 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:51,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 09:37:51,001 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:51,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:51,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1177481547, now seen corresponding path program 1 times [2021-03-11 09:37:51,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:51,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521819882] [2021-03-11 09:37:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:51,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:51,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-11 09:37:51,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 09:37:51,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:51,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521819882] [2021-03-11 09:37:51,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:51,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:51,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841827507] [2021-03-11 09:37:51,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:51,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:51,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:51,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:51,140 INFO L87 Difference]: Start difference. First operand 6772 states and 23787 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 09:37:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:51,183 INFO L93 Difference]: Finished difference Result 5796 states and 18185 transitions. [2021-03-11 09:37:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:51,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-03-11 09:37:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:51,206 INFO L225 Difference]: With dead ends: 5796 [2021-03-11 09:37:51,206 INFO L226 Difference]: Without dead ends: 5754 [2021-03-11 09:37:51,207 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:51,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5754 states. [2021-03-11 09:37:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5754 to 5754. [2021-03-11 09:37:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5754 states, 5751 states have (on average 3.1429316640584246) internal successors, (18075), 5753 states have internal predecessors, (18075), 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) [2021-03-11 09:37:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 18075 transitions. [2021-03-11 09:37:51,377 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 18075 transitions. Word has length 11 [2021-03-11 09:37:51,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:51,377 INFO L480 AbstractCegarLoop]: Abstraction has 5754 states and 18075 transitions. [2021-03-11 09:37:51,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 09:37:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 18075 transitions. [2021-03-11 09:37:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:37:51,378 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:51,378 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:51,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 09:37:51,378 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:51,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1120395531, now seen corresponding path program 2 times [2021-03-11 09:37:51,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:51,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963051268] [2021-03-11 09:37:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:51,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 09:37:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:51,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:51,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963051268] [2021-03-11 09:37:51,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:51,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:51,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596891850] [2021-03-11 09:37:51,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 09:37:51,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 09:37:51,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:37:51,424 INFO L87 Difference]: Start difference. First operand 5754 states and 18075 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 09:37:51,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:51,500 INFO L93 Difference]: Finished difference Result 7682 states and 23099 transitions. [2021-03-11 09:37:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:37:51,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-03-11 09:37:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:51,520 INFO L225 Difference]: With dead ends: 7682 [2021-03-11 09:37:51,520 INFO L226 Difference]: Without dead ends: 7552 [2021-03-11 09:37:51,521 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:51,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2021-03-11 09:37:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 5160. [2021-03-11 09:37:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5160 states, 5155 states have (on average 3.117167798254122) internal successors, (16069), 5159 states have internal predecessors, (16069), 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) [2021-03-11 09:37:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5160 states to 5160 states and 16069 transitions. [2021-03-11 09:37:51,709 INFO L78 Accepts]: Start accepts. Automaton has 5160 states and 16069 transitions. Word has length 11 [2021-03-11 09:37:51,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:51,709 INFO L480 AbstractCegarLoop]: Abstraction has 5160 states and 16069 transitions. [2021-03-11 09:37:51,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-03-11 09:37:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5160 states and 16069 transitions. [2021-03-11 09:37:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:37:51,710 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:51,711 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:51,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 09:37:51,711 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:51,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:51,711 INFO L82 PathProgramCache]: Analyzing trace with hash -952052425, now seen corresponding path program 1 times [2021-03-11 09:37:51,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:51,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478774947] [2021-03-11 09:37:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:51,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:51,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:51,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:51,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478774947] [2021-03-11 09:37:51,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:51,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:51,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923846162] [2021-03-11 09:37:51,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:51,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:51,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:51,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:51,801 INFO L87 Difference]: Start difference. First operand 5160 states and 16069 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-03-11 09:37:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:51,921 INFO L93 Difference]: Finished difference Result 10500 states and 32476 transitions. [2021-03-11 09:37:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:37:51,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2021-03-11 09:37:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:51,948 INFO L225 Difference]: With dead ends: 10500 [2021-03-11 09:37:51,948 INFO L226 Difference]: Without dead ends: 9622 [2021-03-11 09:37:51,948 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9622 states. [2021-03-11 09:37:52,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9622 to 5989. [2021-03-11 09:37:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5989 states, 5986 states have (on average 3.187938523220849) internal successors, (19083), 5988 states have internal predecessors, (19083), 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) [2021-03-11 09:37:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5989 states to 5989 states and 19083 transitions. [2021-03-11 09:37:52,192 INFO L78 Accepts]: Start accepts. Automaton has 5989 states and 19083 transitions. Word has length 13 [2021-03-11 09:37:52,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:52,192 INFO L480 AbstractCegarLoop]: Abstraction has 5989 states and 19083 transitions. [2021-03-11 09:37:52,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-03-11 09:37:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 5989 states and 19083 transitions. [2021-03-11 09:37:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 09:37:52,194 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:52,194 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:52,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 09:37:52,194 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:52,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:52,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1467114117, now seen corresponding path program 1 times [2021-03-11 09:37:52,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:52,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900743104] [2021-03-11 09:37:52,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:52,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 09:37:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:52,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:52,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900743104] [2021-03-11 09:37:52,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:52,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:52,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671277833] [2021-03-11 09:37:52,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:52,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:52,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:52,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:52,253 INFO L87 Difference]: Start difference. First operand 5989 states and 19083 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:52,347 INFO L93 Difference]: Finished difference Result 3325 states and 8505 transitions. [2021-03-11 09:37:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:37:52,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) Word has length 16 [2021-03-11 09:37:52,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:52,357 INFO L225 Difference]: With dead ends: 3325 [2021-03-11 09:37:52,357 INFO L226 Difference]: Without dead ends: 3325 [2021-03-11 09:37:52,357 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:37:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2021-03-11 09:37:52,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 2879. [2021-03-11 09:37:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2877 states have (on average 2.5773375043448037) internal successors, (7415), 2878 states have internal predecessors, (7415), 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) [2021-03-11 09:37:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 7415 transitions. [2021-03-11 09:37:52,406 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 7415 transitions. Word has length 16 [2021-03-11 09:37:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:52,407 INFO L480 AbstractCegarLoop]: Abstraction has 2879 states and 7415 transitions. [2021-03-11 09:37:52,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 7415 transitions. [2021-03-11 09:37:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 09:37:52,408 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:52,408 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:52,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 09:37:52,408 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:52,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:52,408 INFO L82 PathProgramCache]: Analyzing trace with hash -665697570, now seen corresponding path program 1 times [2021-03-11 09:37:52,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:52,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991203358] [2021-03-11 09:37:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:52,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:52,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:52,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991203358] [2021-03-11 09:37:52,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:52,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:52,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880303161] [2021-03-11 09:37:52,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:52,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:52,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:52,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:52,453 INFO L87 Difference]: Start difference. First operand 2879 states and 7415 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:52,526 INFO L93 Difference]: Finished difference Result 3539 states and 8886 transitions. [2021-03-11 09:37:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:52,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) Word has length 16 [2021-03-11 09:37:52,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:52,532 INFO L225 Difference]: With dead ends: 3539 [2021-03-11 09:37:52,532 INFO L226 Difference]: Without dead ends: 3372 [2021-03-11 09:37:52,532 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:52,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2021-03-11 09:37:52,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 2537. [2021-03-11 09:37:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2535 states have (on average 2.56370808678501) internal successors, (6499), 2536 states have internal predecessors, (6499), 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) [2021-03-11 09:37:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 6499 transitions. [2021-03-11 09:37:52,571 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 6499 transitions. Word has length 16 [2021-03-11 09:37:52,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:52,571 INFO L480 AbstractCegarLoop]: Abstraction has 2537 states and 6499 transitions. [2021-03-11 09:37:52,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 6499 transitions. [2021-03-11 09:37:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 09:37:52,572 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:52,572 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:52,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 09:37:52,572 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash -666130484, now seen corresponding path program 1 times [2021-03-11 09:37:52,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:52,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449645140] [2021-03-11 09:37:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:52,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:52,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:52,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449645140] [2021-03-11 09:37:52,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:52,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:52,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450371300] [2021-03-11 09:37:52,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:52,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:52,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:52,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:52,607 INFO L87 Difference]: Start difference. First operand 2537 states and 6499 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:52,684 INFO L93 Difference]: Finished difference Result 3101 states and 7824 transitions. [2021-03-11 09:37:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:37:52,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) Word has length 16 [2021-03-11 09:37:52,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:52,690 INFO L225 Difference]: With dead ends: 3101 [2021-03-11 09:37:52,690 INFO L226 Difference]: Without dead ends: 2799 [2021-03-11 09:37:52,691 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-11 09:37:52,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2021-03-11 09:37:52,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2048. [2021-03-11 09:37:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 2046 states have (on average 2.5606060606060606) internal successors, (5239), 2047 states have internal predecessors, (5239), 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) [2021-03-11 09:37:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 5239 transitions. [2021-03-11 09:37:52,720 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 5239 transitions. Word has length 16 [2021-03-11 09:37:52,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:52,721 INFO L480 AbstractCegarLoop]: Abstraction has 2048 states and 5239 transitions. [2021-03-11 09:37:52,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-03-11 09:37:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 5239 transitions. [2021-03-11 09:37:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:52,723 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:52,723 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:52,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 09:37:52,724 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:52,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:52,725 INFO L82 PathProgramCache]: Analyzing trace with hash -920852311, now seen corresponding path program 1 times [2021-03-11 09:37:52,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:52,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509506983] [2021-03-11 09:37:52,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 09:37:52,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:52,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509506983] [2021-03-11 09:37:52,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:52,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 09:37:52,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987963616] [2021-03-11 09:37:52,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 09:37:52,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 09:37:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:52,785 INFO L87 Difference]: Start difference. First operand 2048 states and 5239 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:52,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:52,864 INFO L93 Difference]: Finished difference Result 2380 states and 6028 transitions. [2021-03-11 09:37:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:37:52,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) Word has length 22 [2021-03-11 09:37:52,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:52,868 INFO L225 Difference]: With dead ends: 2380 [2021-03-11 09:37:52,868 INFO L226 Difference]: Without dead ends: 2176 [2021-03-11 09:37:52,868 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:37:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-03-11 09:37:52,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2000. [2021-03-11 09:37:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1998 states have (on average 2.532032032032032) internal successors, (5059), 1999 states have internal predecessors, (5059), 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) [2021-03-11 09:37:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 5059 transitions. [2021-03-11 09:37:52,895 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 5059 transitions. Word has length 22 [2021-03-11 09:37:52,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:52,896 INFO L480 AbstractCegarLoop]: Abstraction has 2000 states and 5059 transitions. [2021-03-11 09:37:52,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 5059 transitions. [2021-03-11 09:37:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:52,897 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:52,897 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:52,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 09:37:52,897 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:52,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:52,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1485234306, now seen corresponding path program 1 times [2021-03-11 09:37:52,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:52,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066315543] [2021-03-11 09:37:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:52,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:52,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 09:37:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:52,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066315543] [2021-03-11 09:37:52,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:52,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 09:37:52,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544905291] [2021-03-11 09:37:52,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 09:37:52,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:52,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 09:37:52,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:52,947 INFO L87 Difference]: Start difference. First operand 2000 states and 5059 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:53,013 INFO L93 Difference]: Finished difference Result 2332 states and 5848 transitions. [2021-03-11 09:37:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 09:37:53,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) Word has length 22 [2021-03-11 09:37:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:53,016 INFO L225 Difference]: With dead ends: 2332 [2021-03-11 09:37:53,016 INFO L226 Difference]: Without dead ends: 1936 [2021-03-11 09:37:53,016 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 31.7ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-11 09:37:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2021-03-11 09:37:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1760. [2021-03-11 09:37:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1758 states have (on average 2.474971558589306) internal successors, (4351), 1759 states have internal predecessors, (4351), 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) [2021-03-11 09:37:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 4351 transitions. [2021-03-11 09:37:53,041 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 4351 transitions. Word has length 22 [2021-03-11 09:37:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:53,041 INFO L480 AbstractCegarLoop]: Abstraction has 1760 states and 4351 transitions. [2021-03-11 09:37:53,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 4351 transitions. [2021-03-11 09:37:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:53,043 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:53,043 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:53,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 09:37:53,043 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash 2145365213, now seen corresponding path program 2 times [2021-03-11 09:37:53,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:53,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988882247] [2021-03-11 09:37:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:53,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:53,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:53,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:53,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:53,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:53,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:53,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:53,095 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 09:37:53,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 09:37:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:53,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988882247] [2021-03-11 09:37:53,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:53,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 09:37:53,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255640359] [2021-03-11 09:37:53,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 09:37:53,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 09:37:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:53,106 INFO L87 Difference]: Start difference. First operand 1760 states and 4351 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:53,190 INFO L93 Difference]: Finished difference Result 2044 states and 5020 transitions. [2021-03-11 09:37:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 09:37:53,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) Word has length 22 [2021-03-11 09:37:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:53,193 INFO L225 Difference]: With dead ends: 2044 [2021-03-11 09:37:53,194 INFO L226 Difference]: Without dead ends: 1899 [2021-03-11 09:37:53,194 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 50.4ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-03-11 09:37:53,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2021-03-11 09:37:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1723. [2021-03-11 09:37:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1721 states have (on average 2.4787914003486344) internal successors, (4266), 1722 states have internal predecessors, (4266), 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) [2021-03-11 09:37:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 4266 transitions. [2021-03-11 09:37:53,216 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 4266 transitions. Word has length 22 [2021-03-11 09:37:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:53,217 INFO L480 AbstractCegarLoop]: Abstraction has 1723 states and 4266 transitions. [2021-03-11 09:37:53,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-03-11 09:37:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 4266 transitions. [2021-03-11 09:37:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 09:37:53,218 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:53,218 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:53,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 09:37:53,218 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:53,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1220559325, now seen corresponding path program 3 times [2021-03-11 09:37:53,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:53,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32772220] [2021-03-11 09:37:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 09:37:53,229 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 09:37:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 09:37:53,237 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 09:37:53,259 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 09:37:53,259 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 09:37:53,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 09:37:53,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 09:37:53 BasicIcfg [2021-03-11 09:37:53,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 09:37:53,307 INFO L168 Benchmark]: Toolchain (without parser) took 7470.43 ms. Allocated memory was 255.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 235.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 303.8 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,307 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:37:53,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.3 MB in the beginning and 320.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.51 ms. Allocated memory is still 356.5 MB. Free memory was 320.5 MB in the beginning and 318.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,307 INFO L168 Benchmark]: Boogie Preprocessor took 13.34 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 317.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,308 INFO L168 Benchmark]: RCFGBuilder took 350.96 ms. Allocated memory is still 356.5 MB. Free memory was 317.3 MB in the beginning and 327.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,308 INFO L168 Benchmark]: TraceAbstraction took 6690.10 ms. Allocated memory was 356.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 327.2 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 296.4 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:53,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.3 MB in the beginning and 320.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.51 ms. Allocated memory is still 356.5 MB. Free memory was 320.5 MB in the beginning and 318.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.34 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 317.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 350.96 ms. Allocated memory is still 356.5 MB. Free memory was 317.3 MB in the beginning and 327.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6690.10 ms. Allocated memory was 356.5 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 327.2 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 296.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3094.1ms, 109 PlacesBefore, 60 PlacesAfterwards, 110 TransitionsBefore, 60 TransitionsAfterwards, 2994 CoEnabledTransitionPairs, 8 FixpointIterations, 27 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 24461 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17060, positive: 16667, positive conditional: 0, positive unconditional: 16667, negative: 393, negative conditional: 0, negative unconditional: 393, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2534, positive: 2478, positive conditional: 0, positive unconditional: 2478, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2534, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 182, negative conditional: 0, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17060, positive: 14189, positive conditional: 0, positive unconditional: 14189, negative: 337, negative conditional: 0, negative unconditional: 337, unknown: 2534, unknown conditional: 0, unknown unconditional: 2534] , Statistics on independence cache: Total cache size (in pairs): 929, Positive cache size: 898, Positive conditional cache size: 0, Positive unconditional cache size: 898, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - 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; [L748] 0 pthread_t t1, t2, t3, t4; [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; [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() [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] [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; [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] [L724] 4 int l; [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 [L745] 2 return 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() [L727] 4 l = x VAL [r=0, w=1, x=0, y=0] [L716] 1 x = 3 VAL [r=0, w=1, x=3, y=0] [L730] 4 y = l VAL [r=0, w=1, x=3, y=0] [L733] 4 int ly = y; VAL [r=0, w=1, x=3, y=0] [L736] 4 int lx = x; [L738] COND TRUE 4 !(ly == lx) [L738] 4 reach_error() VAL [r=0, w=1, x=3, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6568.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 46.9ms, AutomataDifference: 1121.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3431.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1102 SDtfs, 1471 SDslu, 1964 SDs, 0 SdLazy, 574 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 294.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 241.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6772occurred in iteration=1, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1135.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 13046 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.7ms SsaConstructionTime, 131.4ms SatisfiabilityAnalysisTime, 452.0ms InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...