/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 09:43:43,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 09:43:43,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 09:43:43,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 09:43:43,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 09:43:43,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 09:43:43,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 09:43:43,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 09:43:43,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 09:43:43,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 09:43:43,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 09:43:43,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 09:43:43,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 09:43:44,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 09:43:44,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 09:43:44,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 09:43:44,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 09:43:44,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 09:43:44,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 09:43:44,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 09:43:44,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 09:43:44,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 09:43:44,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 09:43:44,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 09:43:44,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 09:43:44,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 09:43:44,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 09:43:44,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 09:43:44,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 09:43:44,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 09:43:44,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 09:43:44,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 09:43:44,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 09:43:44,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 09:43:44,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 09:43:44,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 09:43:44,077 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-NoLbe-New_States.epf [2020-11-12 09:43:44,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 09:43:44,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 09:43:44,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 09:43:44,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 09:43:44,153 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 09:43:44,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 09:43:44,153 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 09:43:44,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 09:43:44,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 09:43:44,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 09:43:44,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 09:43:44,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 09:43:44,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 09:43:44,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 09:43:44,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 09:43:44,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 09:43:44,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 09:43:44,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 09:43:44,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 09:43:44,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 09:43:44,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 09:43:44,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:43:44,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 09:43:44,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 09:43:44,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 09:43:44,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 09:43:44,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 09:43:44,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 09:43:44,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 09:43:44,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 09:43:44,159 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 09:43:44,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 09:43:44,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 09:43:44,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 09:43:44,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 09:43:44,675 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 09:43:44,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2020-11-12 09:43:44,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16817c97d/864809cb42574a668469cc8957b25a56/FLAG9597d3ea6 [2020-11-12 09:43:45,621 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 09:43:45,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2020-11-12 09:43:45,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16817c97d/864809cb42574a668469cc8957b25a56/FLAG9597d3ea6 [2020-11-12 09:43:45,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16817c97d/864809cb42574a668469cc8957b25a56 [2020-11-12 09:43:45,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 09:43:45,891 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 09:43:45,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 09:43:45,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 09:43:45,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 09:43:45,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:43:45" (1/1) ... [2020-11-12 09:43:45,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f948910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:45, skipping insertion in model container [2020-11-12 09:43:45,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:43:45" (1/1) ... [2020-11-12 09:43:45,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 09:43:45,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 09:43:46,206 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 09:43:46,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:43:46,548 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 09:43:46,584 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 09:43:46,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:43:46,762 INFO L208 MainTranslator]: Completed translation [2020-11-12 09:43:46,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46 WrapperNode [2020-11-12 09:43:46,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 09:43:46,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 09:43:46,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 09:43:46,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 09:43:46,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 09:43:46,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 09:43:46,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 09:43:46,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 09:43:46,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (1/1) ... [2020-11-12 09:43:46,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 09:43:46,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 09:43:46,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 09:43:46,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 09:43:46,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (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 [2020-11-12 09:43:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 09:43:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-11-12 09:43:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-11-12 09:43:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-12 09:43:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 09:43:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 09:43:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 09:43:46,958 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 09:43:47,700 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 09:43:47,701 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-12 09:43:47,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:43:47 BoogieIcfgContainer [2020-11-12 09:43:47,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 09:43:47,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 09:43:47,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 09:43:47,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 09:43:47,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:43:45" (1/3) ... [2020-11-12 09:43:47,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7af8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:43:47, skipping insertion in model container [2020-11-12 09:43:47,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:43:46" (2/3) ... [2020-11-12 09:43:47,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7af8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:43:47, skipping insertion in model container [2020-11-12 09:43:47,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:43:47" (3/3) ... [2020-11-12 09:43:47,718 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2020-11-12 09:43:47,738 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 09:43:47,739 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 09:43:47,744 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-12 09:43:47,745 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 09:43:47,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,814 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,828 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,828 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,828 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,828 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,897 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,897 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,898 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:43:47,910 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 09:43:47,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-12 09:43:47,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 09:43:47,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 09:43:47,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 09:43:47,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 09:43:47,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 09:43:47,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 09:43:47,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 09:43:47,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 09:43:48,004 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 127 transitions, 276 flow [2020-11-12 09:43:48,259 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3387 states, 3383 states have (on average 3.313035767070647) internal successors, (11208), 3386 states have internal predecessors, (11208), 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) [2020-11-12 09:44:07,669 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 19406ms [2020-11-12 09:44:07,683 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 3387 states, 3383 states have (on average 3.313035767070647) internal successors, (11208), 3386 states have internal predecessors, (11208), 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) [2020-11-12 09:44:10,973 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 1330588 states, 1049616 states have (on average 1.7727435557384796) internal successors, (1860700), 1330587 states have internal predecessors, (1860700), 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) [2020-11-12 09:44:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 1330588 states, 1049616 states have (on average 1.7727435557384796) internal successors, (1860700), 1330587 states have internal predecessors, (1860700), 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) [2020-11-12 09:44:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-12 09:44:11,917 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:11,918 INFO L494 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, 1, 1, 1] [2020-11-12 09:44:11,919 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:11,928 INFO L82 PathProgramCache]: Analyzing trace with hash 81763724, now seen corresponding path program 1 times [2020-11-12 09:44:11,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:11,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226837793] [2020-11-12 09:44:11,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:12,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226837793] [2020-11-12 09:44:12,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:12,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 09:44:12,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957218862] [2020-11-12 09:44:12,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 09:44:12,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:12,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 09:44:12,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 09:44:13,471 INFO L87 Difference]: Start difference. First operand has 1330588 states, 1049616 states have (on average 1.7727435557384796) internal successors, (1860700), 1330587 states have internal predecessors, (1860700), 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 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2020-11-12 09:44:14,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:14,714 INFO L93 Difference]: Finished difference Result 139091 states and 192807 transitions. [2020-11-12 09:44:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 09:44:14,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2020-11-12 09:44:14,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:15,094 INFO L225 Difference]: With dead ends: 139091 [2020-11-12 09:44:15,094 INFO L226 Difference]: Without dead ends: 53112 [2020-11-12 09:44:15,097 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 09:44:15,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53112 states. [2020-11-12 09:44:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53112 to 2160. [2020-11-12 09:44:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2160 states, 2098 states have (on average 1.5104861773117255) internal successors, (3169), 2159 states have internal predecessors, (3169), 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) [2020-11-12 09:44:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3169 transitions. [2020-11-12 09:44:17,480 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3169 transitions. Word has length 25 [2020-11-12 09:44:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:17,480 INFO L481 AbstractCegarLoop]: Abstraction has 2160 states and 3169 transitions. [2020-11-12 09:44:17,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2020-11-12 09:44:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3169 transitions. [2020-11-12 09:44:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-12 09:44:17,501 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:17,502 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:17,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 09:44:17,505 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:17,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:17,509 INFO L82 PathProgramCache]: Analyzing trace with hash 342001278, now seen corresponding path program 1 times [2020-11-12 09:44:17,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:17,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598529644] [2020-11-12 09:44:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:17,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598529644] [2020-11-12 09:44:17,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:17,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:44:17,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255242877] [2020-11-12 09:44:17,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 09:44:17,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:17,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 09:44:17,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:44:17,785 INFO L87 Difference]: Start difference. First operand 2160 states and 3169 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2020-11-12 09:44:17,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:17,900 INFO L93 Difference]: Finished difference Result 1938 states and 2878 transitions. [2020-11-12 09:44:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 09:44:17,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2020-11-12 09:44:17,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:17,908 INFO L225 Difference]: With dead ends: 1938 [2020-11-12 09:44:17,909 INFO L226 Difference]: Without dead ends: 1482 [2020-11-12 09:44:17,910 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:44:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-11-12 09:44:17,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1462. [2020-11-12 09:44:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1422 states have (on average 1.350210970464135) internal successors, (1920), 1461 states have internal predecessors, (1920), 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) [2020-11-12 09:44:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1920 transitions. [2020-11-12 09:44:17,971 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1920 transitions. Word has length 33 [2020-11-12 09:44:17,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:17,973 INFO L481 AbstractCegarLoop]: Abstraction has 1462 states and 1920 transitions. [2020-11-12 09:44:17,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2020-11-12 09:44:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1920 transitions. [2020-11-12 09:44:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-12 09:44:17,977 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:17,977 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:17,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 09:44:17,978 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1675149475, now seen corresponding path program 1 times [2020-11-12 09:44:17,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:17,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663250370] [2020-11-12 09:44:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:18,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663250370] [2020-11-12 09:44:18,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:18,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:44:18,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321338341] [2020-11-12 09:44:18,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 09:44:18,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:18,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 09:44:18,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:44:18,147 INFO L87 Difference]: Start difference. First operand 1462 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2020-11-12 09:44:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:18,210 INFO L93 Difference]: Finished difference Result 1239 states and 1651 transitions. [2020-11-12 09:44:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 09:44:18,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2020-11-12 09:44:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:18,214 INFO L225 Difference]: With dead ends: 1239 [2020-11-12 09:44:18,214 INFO L226 Difference]: Without dead ends: 869 [2020-11-12 09:44:18,215 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:44:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-11-12 09:44:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 849. [2020-11-12 09:44:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 837 states have (on average 1.4109916367980884) internal successors, (1181), 848 states have internal predecessors, (1181), 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) [2020-11-12 09:44:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1181 transitions. [2020-11-12 09:44:18,250 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1181 transitions. Word has length 36 [2020-11-12 09:44:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:18,251 INFO L481 AbstractCegarLoop]: Abstraction has 849 states and 1181 transitions. [2020-11-12 09:44:18,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2020-11-12 09:44:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1181 transitions. [2020-11-12 09:44:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 09:44:18,261 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:18,261 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:18,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 09:44:18,262 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1576374870, now seen corresponding path program 1 times [2020-11-12 09:44:18,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:18,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708112784] [2020-11-12 09:44:18,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:18,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708112784] [2020-11-12 09:44:18,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:18,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:18,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410093993] [2020-11-12 09:44:18,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:18,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:18,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:18,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:18,414 INFO L87 Difference]: Start difference. First operand 849 states and 1181 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:18,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:18,504 INFO L93 Difference]: Finished difference Result 1910 states and 2560 transitions. [2020-11-12 09:44:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 09:44:18,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2020-11-12 09:44:18,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:18,511 INFO L225 Difference]: With dead ends: 1910 [2020-11-12 09:44:18,511 INFO L226 Difference]: Without dead ends: 1910 [2020-11-12 09:44:18,512 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2020-11-12 09:44:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 883. [2020-11-12 09:44:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 871 states have (on average 1.4179104477611941) internal successors, (1235), 882 states have internal predecessors, (1235), 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) [2020-11-12 09:44:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1235 transitions. [2020-11-12 09:44:18,558 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1235 transitions. Word has length 47 [2020-11-12 09:44:18,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:18,562 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1235 transitions. [2020-11-12 09:44:18,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1235 transitions. [2020-11-12 09:44:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 09:44:18,565 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:18,565 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:18,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 09:44:18,565 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:18,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash 78676822, now seen corresponding path program 2 times [2020-11-12 09:44:18,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:18,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597253793] [2020-11-12 09:44:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:18,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597253793] [2020-11-12 09:44:18,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:18,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:18,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135505494] [2020-11-12 09:44:18,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:18,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:18,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:18,678 INFO L87 Difference]: Start difference. First operand 883 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:18,807 INFO L93 Difference]: Finished difference Result 1407 states and 1880 transitions. [2020-11-12 09:44:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 09:44:18,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2020-11-12 09:44:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:18,810 INFO L225 Difference]: With dead ends: 1407 [2020-11-12 09:44:18,810 INFO L226 Difference]: Without dead ends: 701 [2020-11-12 09:44:18,810 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:18,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-11-12 09:44:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 623. [2020-11-12 09:44:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 611 states have (on average 1.2782324058919803) internal successors, (781), 622 states have internal predecessors, (781), 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) [2020-11-12 09:44:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 781 transitions. [2020-11-12 09:44:18,829 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 781 transitions. Word has length 47 [2020-11-12 09:44:18,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:18,832 INFO L481 AbstractCegarLoop]: Abstraction has 623 states and 781 transitions. [2020-11-12 09:44:18,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 781 transitions. [2020-11-12 09:44:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 09:44:18,834 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:18,835 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:18,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 09:44:18,835 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:18,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:18,836 INFO L82 PathProgramCache]: Analyzing trace with hash 716124442, now seen corresponding path program 3 times [2020-11-12 09:44:18,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:18,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444410791] [2020-11-12 09:44:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:18,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444410791] [2020-11-12 09:44:18,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:18,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:18,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300273163] [2020-11-12 09:44:18,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:18,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:18,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:18,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:18,913 INFO L87 Difference]: Start difference. First operand 623 states and 781 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:18,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:18,986 INFO L93 Difference]: Finished difference Result 1481 states and 1832 transitions. [2020-11-12 09:44:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 09:44:18,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2020-11-12 09:44:18,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:18,990 INFO L225 Difference]: With dead ends: 1481 [2020-11-12 09:44:18,991 INFO L226 Difference]: Without dead ends: 1420 [2020-11-12 09:44:18,991 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:18,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-11-12 09:44:19,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 662. [2020-11-12 09:44:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 650 states have (on average 1.2953846153846154) internal successors, (842), 661 states have internal predecessors, (842), 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) [2020-11-12 09:44:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 842 transitions. [2020-11-12 09:44:19,020 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 842 transitions. Word has length 47 [2020-11-12 09:44:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:19,024 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 842 transitions. [2020-11-12 09:44:19,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 842 transitions. [2020-11-12 09:44:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 09:44:19,027 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:19,027 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:19,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 09:44:19,028 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:19,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:19,028 INFO L82 PathProgramCache]: Analyzing trace with hash 918717968, now seen corresponding path program 4 times [2020-11-12 09:44:19,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:19,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878112205] [2020-11-12 09:44:19,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:19,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878112205] [2020-11-12 09:44:19,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:19,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:19,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560734589] [2020-11-12 09:44:19,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:19,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:19,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:19,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:19,143 INFO L87 Difference]: Start difference. First operand 662 states and 842 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:19,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:19,243 INFO L93 Difference]: Finished difference Result 795 states and 929 transitions. [2020-11-12 09:44:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 09:44:19,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2020-11-12 09:44:19,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:19,245 INFO L225 Difference]: With dead ends: 795 [2020-11-12 09:44:19,246 INFO L226 Difference]: Without dead ends: 350 [2020-11-12 09:44:19,247 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-11-12 09:44:19,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 308. [2020-11-12 09:44:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 296 states have (on average 1.1689189189189189) internal successors, (346), 307 states have internal predecessors, (346), 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) [2020-11-12 09:44:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 346 transitions. [2020-11-12 09:44:19,261 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 346 transitions. Word has length 47 [2020-11-12 09:44:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:19,261 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 346 transitions. [2020-11-12 09:44:19,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2020-11-12 09:44:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 346 transitions. [2020-11-12 09:44:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 09:44:19,263 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:19,263 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:19,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 09:44:19,263 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash -951114129, now seen corresponding path program 1 times [2020-11-12 09:44:19,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:19,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085429933] [2020-11-12 09:44:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:19,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085429933] [2020-11-12 09:44:19,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:19,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:19,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35118999] [2020-11-12 09:44:19,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:19,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:19,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:19,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:19,344 INFO L87 Difference]: Start difference. First operand 308 states and 346 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2020-11-12 09:44:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:19,372 INFO L93 Difference]: Finished difference Result 319 states and 340 transitions. [2020-11-12 09:44:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 09:44:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2020-11-12 09:44:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:19,374 INFO L225 Difference]: With dead ends: 319 [2020-11-12 09:44:19,374 INFO L226 Difference]: Without dead ends: 303 [2020-11-12 09:44:19,374 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-12 09:44:19,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 242. [2020-11-12 09:44:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 230 states have (on average 1.1434782608695653) internal successors, (263), 241 states have internal predecessors, (263), 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) [2020-11-12 09:44:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 263 transitions. [2020-11-12 09:44:19,383 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 263 transitions. Word has length 52 [2020-11-12 09:44:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:19,384 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 263 transitions. [2020-11-12 09:44:19,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2020-11-12 09:44:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 263 transitions. [2020-11-12 09:44:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 09:44:19,385 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:44:19,385 INFO L494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:44:19,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 09:44:19,385 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:44:19,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:44:19,386 INFO L82 PathProgramCache]: Analyzing trace with hash -220935443, now seen corresponding path program 1 times [2020-11-12 09:44:19,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:44:19,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044737503] [2020-11-12 09:44:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:44:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:44:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:44:19,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044737503] [2020-11-12 09:44:19,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:44:19,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 09:44:19,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952688373] [2020-11-12 09:44:19,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 09:44:19,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:44:19,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 09:44:19,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 09:44:19,454 INFO L87 Difference]: Start difference. First operand 242 states and 263 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2020-11-12 09:44:19,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:44:19,469 INFO L93 Difference]: Finished difference Result 112 states and 121 transitions. [2020-11-12 09:44:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 09:44:19,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2020-11-12 09:44:19,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:44:19,470 INFO L225 Difference]: With dead ends: 112 [2020-11-12 09:44:19,470 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 09:44:19,471 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:44:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 09:44:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 09:44:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2020-11-12 09:44:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 09:44:19,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-11-12 09:44:19,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:44:19,472 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 09:44:19,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2020-11-12 09:44:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 09:44:19,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 09:44:19,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 09:44:19,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 09:44:19 BasicIcfg [2020-11-12 09:44:19,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 09:44:19,482 INFO L168 Benchmark]: Toolchain (without parser) took 33595.83 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 275.7 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,483 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 302.0 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:44:19,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.45 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 277.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.52 ms. Allocated memory is still 302.0 MB. Free memory was 277.6 MB in the beginning and 275.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,485 INFO L168 Benchmark]: Boogie Preprocessor took 37.81 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,486 INFO L168 Benchmark]: RCFGBuilder took 840.71 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 246.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,487 INFO L168 Benchmark]: TraceAbstraction took 31770.53 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 246.1 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2020-11-12 09:44:19,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 302.0 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 870.45 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 277.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.52 ms. Allocated memory is still 302.0 MB. Free memory was 277.6 MB in the beginning and 275.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.81 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 840.71 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 246.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31770.53 ms. Allocated memory was 302.0 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 246.1 MB in the beginning and 10.7 GB in the end (delta: -10.4 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.9s, HoareTripleCheckerStatistics: 1154 SDtfs, 624 SDslu, 1252 SDs, 0 SdLazy, 165 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1330588occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 52958 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 22425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 correct! Received shutdown request...