/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 16:20:50,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 16:20:50,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 16:20:50,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 16:20:50,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 16:20:50,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 16:20:50,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 16:20:50,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 16:20:50,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 16:20:50,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 16:20:50,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 16:20:50,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 16:20:50,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 16:20:50,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 16:20:50,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 16:20:50,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 16:20:50,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 16:20:50,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 16:20:50,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 16:20:50,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 16:20:50,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 16:20:50,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 16:20:50,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 16:20:50,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 16:20:50,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 16:20:50,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 16:20:50,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 16:20:50,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 16:20:50,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 16:20:50,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 16:20:50,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 16:20:50,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 16:20:50,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 16:20:50,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 16:20:50,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 16:20:50,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 16:20:50,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 16:20:50,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 16:20:50,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 16:20:50,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 16:20:50,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 16:20:50,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 16:20:50,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 16:20:50,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 16:20:50,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 16:20:50,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 16:20:50,583 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 16:20:50,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 16:20:50,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 16:20:50,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 16:20:50,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 16:20:50,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 16:20:50,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 16:20:50,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 16:20:50,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 16:20:50,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 16:20:50,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 16:20:50,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 16:20:50,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 16:20:50,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 16:20:50,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 16:20:50,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 16:20:50,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 16:20:50,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:20:50,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 16:20:50,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 16:20:50,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 16:20:50,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 16:20:50,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 16:20:50,587 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 16:20:50,588 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 16:20:50,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 16:20:50,588 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 16:20:50,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 16:20:51,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 16:20:51,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 16:20:51,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 16:20:51,018 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 16:20:51,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-11-09 16:20:51,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd371186/46d3d77b0b0e439e904a5242edc32b67/FLAGa502fa5b9 [2020-11-09 16:20:51,855 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 16:20:51,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2020-11-09 16:20:51,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd371186/46d3d77b0b0e439e904a5242edc32b67/FLAGa502fa5b9 [2020-11-09 16:20:52,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd371186/46d3d77b0b0e439e904a5242edc32b67 [2020-11-09 16:20:52,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 16:20:52,140 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 16:20:52,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:52,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 16:20:52,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 16:20:52,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51760933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52, skipping insertion in model container [2020-11-09 16:20:52,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 16:20:52,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 16:20:52,450 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 16:20:52,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:52,621 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 16:20:52,637 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 16:20:52,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:52,778 INFO L208 MainTranslator]: Completed translation [2020-11-09 16:20:52,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52 WrapperNode [2020-11-09 16:20:52,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:52,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 16:20:52,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 16:20:52,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 16:20:52,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 16:20:52,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 16:20:52,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 16:20:52,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 16:20:52,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (1/1) ... [2020-11-09 16:20:52,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 16:20:52,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 16:20:52,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 16:20:52,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 16:20:52,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (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 [2020-11-09 16:20:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 16:20:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 16:20:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 16:20:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2020-11-09 16:20:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2020-11-09 16:20:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 16:20:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 16:20:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 16:20:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 16:20:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 16:20:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 16:20:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2020-11-09 16:20:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2020-11-09 16:20:52,971 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 16:20:53,656 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 16:20:53,656 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-09 16:20:53,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:20:53 BoogieIcfgContainer [2020-11-09 16:20:53,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 16:20:53,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 16:20:53,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 16:20:53,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 16:20:53,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:20:52" (1/3) ... [2020-11-09 16:20:53,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117baf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:20:53, skipping insertion in model container [2020-11-09 16:20:53,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:52" (2/3) ... [2020-11-09 16:20:53,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117baf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:20:53, skipping insertion in model container [2020-11-09 16:20:53,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:20:53" (3/3) ... [2020-11-09 16:20:53,668 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2020-11-09 16:20:53,696 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 16:20:53,696 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 16:20:53,700 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 16:20:53,701 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 16:20:53,732 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,733 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,733 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,733 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,733 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,734 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,734 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,735 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,735 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,735 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,735 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,736 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,737 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,737 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,737 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,737 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,738 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,739 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,740 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,740 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,740 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,740 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,741 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,742 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,742 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,742 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,742 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,743 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,743 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,743 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,743 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,744 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,744 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,744 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,744 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,745 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,745 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,745 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,745 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,746 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,746 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,746 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,746 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,747 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,747 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,747 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,747 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,747 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,748 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,748 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,748 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,748 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,748 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,749 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,749 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,749 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,749 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,750 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,750 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,750 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,750 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,751 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,752 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,752 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,752 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,752 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,753 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,753 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,753 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,753 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,756 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,756 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,756 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,757 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,757 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,757 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,757 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,757 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,758 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,761 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,761 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,761 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,761 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,762 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,762 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,764 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,765 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,765 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,765 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,765 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,766 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,766 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,766 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,766 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,771 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,771 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,771 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,771 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,772 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,772 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:53,792 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2020-11-09 16:20:53,806 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-09 16:20:53,833 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:20:53,833 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:20:53,833 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:20:53,833 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:20:53,833 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:20:53,834 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:20:53,834 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:20:53,834 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:20:53,849 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:20:53,850 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 112 transitions, 292 flow [2020-11-09 16:20:53,854 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 112 transitions, 292 flow [2020-11-09 16:20:53,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 112 transitions, 292 flow [2020-11-09 16:20:53,922 INFO L129 PetriNetUnfolder]: 21/146 cut-off events. [2020-11-09 16:20:53,922 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-11-09 16:20:53,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 146 events. 21/146 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 355 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 99. Up to 12 conditions per place. [2020-11-09 16:20:53,935 INFO L116 LiptonReduction]: Number of co-enabled transitions 3184 [2020-11-09 16:20:56,873 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 16:20:57,067 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-09 16:20:57,307 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 16:20:57,530 WARN L194 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-11-09 16:20:58,008 WARN L194 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2020-11-09 16:20:58,226 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 16:20:58,677 WARN L194 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2020-11-09 16:20:58,893 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 16:20:58,914 INFO L131 LiptonReduction]: Checked pairs total: 19237 [2020-11-09 16:20:58,915 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-09 16:20:58,921 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 60 transitions, 188 flow [2020-11-09 16:20:59,405 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5381 states. [2020-11-09 16:20:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5381 states. [2020-11-09 16:20:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 16:20:59,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:59,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:59,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:20:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1237812788, now seen corresponding path program 1 times [2020-11-09 16:20:59,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:59,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608674885] [2020-11-09 16:20:59,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:59,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608674885] [2020-11-09 16:20:59,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:59,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:20:59,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [676033654] [2020-11-09 16:20:59,679 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:59,682 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:59,697 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 16:20:59,698 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:59,704 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:59,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:20:59,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:59,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:20:59,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:20:59,728 INFO L87 Difference]: Start difference. First operand 5381 states. Second operand 4 states. [2020-11-09 16:21:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:00,004 INFO L93 Difference]: Finished difference Result 11984 states and 38574 transitions. [2020-11-09 16:21:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:21:00,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-09 16:21:00,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:00,101 INFO L225 Difference]: With dead ends: 11984 [2020-11-09 16:21:00,102 INFO L226 Difference]: Without dead ends: 8141 [2020-11-09 16:21:00,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:21:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2020-11-09 16:21:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 4988. [2020-11-09 16:21:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-11-09 16:21:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 16895 transitions. [2020-11-09 16:21:00,640 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 16895 transitions. Word has length 8 [2020-11-09 16:21:00,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:00,641 INFO L481 AbstractCegarLoop]: Abstraction has 4988 states and 16895 transitions. [2020-11-09 16:21:00,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:21:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 16895 transitions. [2020-11-09 16:21:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 16:21:00,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:00,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:00,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 16:21:00,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:21:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash -167867735, now seen corresponding path program 1 times [2020-11-09 16:21:00,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:00,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300361451] [2020-11-09 16:21:00,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:00,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300361451] [2020-11-09 16:21:00,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:00,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:21:00,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [647375419] [2020-11-09 16:21:00,778 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:00,779 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:00,781 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 16:21:00,782 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:00,790 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:00,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:21:00,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:00,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:21:00,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:21:00,795 INFO L87 Difference]: Start difference. First operand 4988 states and 16895 transitions. Second operand 4 states. [2020-11-09 16:21:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:00,955 INFO L93 Difference]: Finished difference Result 7484 states and 22252 transitions. [2020-11-09 16:21:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 16:21:00,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-09 16:21:00,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:01,027 INFO L225 Difference]: With dead ends: 7484 [2020-11-09 16:21:01,028 INFO L226 Difference]: Without dead ends: 7324 [2020-11-09 16:21:01,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:21:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2020-11-09 16:21:01,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 5320. [2020-11-09 16:21:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5320 states. [2020-11-09 16:21:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 16365 transitions. [2020-11-09 16:21:01,381 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 16365 transitions. Word has length 10 [2020-11-09 16:21:01,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:01,382 INFO L481 AbstractCegarLoop]: Abstraction has 5320 states and 16365 transitions. [2020-11-09 16:21:01,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:21:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 16365 transitions. [2020-11-09 16:21:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 16:21:01,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:01,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:01,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 16:21:01,390 INFO L429 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:21:01,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:01,390 INFO L82 PathProgramCache]: Analyzing trace with hash -893836895, now seen corresponding path program 2 times [2020-11-09 16:21:01,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:01,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515267145] [2020-11-09 16:21:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:01,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515267145] [2020-11-09 16:21:01,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:01,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:21:01,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [682962439] [2020-11-09 16:21:01,463 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:01,506 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:01,510 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 16 transitions. [2020-11-09 16:21:01,510 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:01,519 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:01,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:21:01,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:01,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:21:01,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:01,521 INFO L87 Difference]: Start difference. First operand 5320 states and 16365 transitions. Second operand 3 states. [2020-11-09 16:21:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:01,556 INFO L93 Difference]: Finished difference Result 2336 states and 5746 transitions. [2020-11-09 16:21:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:21:01,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 16:21:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:01,572 INFO L225 Difference]: With dead ends: 2336 [2020-11-09 16:21:01,572 INFO L226 Difference]: Without dead ends: 2272 [2020-11-09 16:21:01,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:21:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-11-09 16:21:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2020-11-09 16:21:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2020-11-09 16:21:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 5612 transitions. [2020-11-09 16:21:01,650 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 5612 transitions. Word has length 10 [2020-11-09 16:21:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:01,651 INFO L481 AbstractCegarLoop]: Abstraction has 2272 states and 5612 transitions. [2020-11-09 16:21:01,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:21:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 5612 transitions. [2020-11-09 16:21:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 16:21:01,653 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:01,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:01,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 16:21:01,654 INFO L429 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:21:01,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:01,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1642581076, now seen corresponding path program 1 times [2020-11-09 16:21:01,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:01,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612161115] [2020-11-09 16:21:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:01,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612161115] [2020-11-09 16:21:01,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:01,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:21:01,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [127346293] [2020-11-09 16:21:01,711 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:01,713 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:01,714 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-11-09 16:21:01,714 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:01,715 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:21:01,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:21:01,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:21:01,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:21:01,717 INFO L87 Difference]: Start difference. First operand 2272 states and 5612 transitions. Second operand 4 states. [2020-11-09 16:21:01,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:01,805 INFO L93 Difference]: Finished difference Result 2507 states and 6115 transitions. [2020-11-09 16:21:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:21:01,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 16:21:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:01,812 INFO L225 Difference]: With dead ends: 2507 [2020-11-09 16:21:01,812 INFO L226 Difference]: Without dead ends: 1814 [2020-11-09 16:21:01,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:21:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-11-09 16:21:01,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1440. [2020-11-09 16:21:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-11-09 16:21:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 3564 transitions. [2020-11-09 16:21:01,901 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 3564 transitions. Word has length 12 [2020-11-09 16:21:01,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:01,902 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 3564 transitions. [2020-11-09 16:21:01,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:21:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 3564 transitions. [2020-11-09 16:21:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 16:21:01,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:01,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:01,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 16:21:01,906 INFO L429 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:21:01,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:01,906 INFO L82 PathProgramCache]: Analyzing trace with hash 583388612, now seen corresponding path program 1 times [2020-11-09 16:21:01,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:01,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980272220] [2020-11-09 16:21:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:01,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980272220] [2020-11-09 16:21:01,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:01,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 16:21:01,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [779638568] [2020-11-09 16:21:01,968 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:01,971 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:01,976 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 65 transitions. [2020-11-09 16:21:01,976 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:02,038 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [63249#(not (= ~r~0 0))] [2020-11-09 16:21:02,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 16:21:02,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:02,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 16:21:02,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 16:21:02,040 INFO L87 Difference]: Start difference. First operand 1440 states and 3564 transitions. Second operand 6 states. [2020-11-09 16:21:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:02,090 INFO L93 Difference]: Finished difference Result 1734 states and 4180 transitions. [2020-11-09 16:21:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:21:02,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-11-09 16:21:02,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:02,096 INFO L225 Difference]: With dead ends: 1734 [2020-11-09 16:21:02,096 INFO L226 Difference]: Without dead ends: 1508 [2020-11-09 16:21:02,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 16:21:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-11-09 16:21:02,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1376. [2020-11-09 16:21:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2020-11-09 16:21:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 3414 transitions. [2020-11-09 16:21:02,143 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 3414 transitions. Word has length 19 [2020-11-09 16:21:02,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:02,143 INFO L481 AbstractCegarLoop]: Abstraction has 1376 states and 3414 transitions. [2020-11-09 16:21:02,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 16:21:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 3414 transitions. [2020-11-09 16:21:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 16:21:02,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:21:02,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:21:02,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 16:21:02,146 INFO L429 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 16:21:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:21:02,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1133765802, now seen corresponding path program 2 times [2020-11-09 16:21:02,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:21:02,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599950487] [2020-11-09 16:21:02,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:21:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:21:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:21:02,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599950487] [2020-11-09 16:21:02,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:21:02,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 16:21:02,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1638869066] [2020-11-09 16:21:02,200 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:21:02,202 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:21:02,209 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 76 transitions. [2020-11-09 16:21:02,209 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:21:02,258 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [67741#(not (= ~r~0 0)), 67742#(not (= ~r~0 1))] [2020-11-09 16:21:02,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 16:21:02,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:21:02,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 16:21:02,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 16:21:02,259 INFO L87 Difference]: Start difference. First operand 1376 states and 3414 transitions. Second operand 7 states. [2020-11-09 16:21:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:21:02,321 INFO L93 Difference]: Finished difference Result 530 states and 1160 transitions. [2020-11-09 16:21:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:21:02,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 16:21:02,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:21:02,322 INFO L225 Difference]: With dead ends: 530 [2020-11-09 16:21:02,322 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 16:21:02,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 16:21:02,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 16:21:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 16:21:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 16:21:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 16:21:02,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-09 16:21:02,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:21:02,324 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 16:21:02,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 16:21:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 16:21:02,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 16:21:02,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 16:21:02,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:21:02 BasicIcfg [2020-11-09 16:21:02,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 16:21:02,330 INFO L168 Benchmark]: Toolchain (without parser) took 10194.61 ms. Allocated memory was 161.5 MB in the beginning and 467.7 MB in the end (delta: 306.2 MB). Free memory was 135.1 MB in the beginning and 361.2 MB in the end (delta: -226.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,330 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:21:02,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.28 ms. Allocated memory is still 161.5 MB. Free memory was 134.4 MB in the beginning and 134.8 MB in the end (delta: -390.3 kB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 161.5 MB. Free memory was 134.7 MB in the beginning and 132.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,333 INFO L168 Benchmark]: Boogie Preprocessor took 28.83 ms. Allocated memory is still 161.5 MB. Free memory was 132.6 MB in the beginning and 131.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,333 INFO L168 Benchmark]: RCFGBuilder took 799.35 ms. Allocated memory is still 161.5 MB. Free memory was 131.1 MB in the beginning and 101.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,334 INFO L168 Benchmark]: TraceAbstraction took 8666.93 ms. Allocated memory was 161.5 MB in the beginning and 467.7 MB in the end (delta: 306.2 MB). Free memory was 100.7 MB in the beginning and 361.2 MB in the end (delta: -260.6 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. [2020-11-09 16:21:02,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 634.28 ms. Allocated memory is still 161.5 MB. Free memory was 134.4 MB in the beginning and 134.8 MB in the end (delta: -390.3 kB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 161.5 MB. Free memory was 134.7 MB in the beginning and 132.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.83 ms. Allocated memory is still 161.5 MB. Free memory was 132.6 MB in the beginning and 131.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 799.35 ms. Allocated memory is still 161.5 MB. Free memory was 131.1 MB in the beginning and 101.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8666.93 ms. Allocated memory was 161.5 MB in the beginning and 467.7 MB in the end (delta: 306.2 MB). Free memory was 100.7 MB in the beginning and 361.2 MB in the end (delta: -260.6 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1931 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 518 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.0s, 109 PlacesBefore, 58 PlacesAfterwards, 112 TransitionsBefore, 60 TransitionsAfterwards, 3184 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 19237 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 472 SDtfs, 469 SDslu, 553 SDs, 0 SdLazy, 152 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5381occurred 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: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5663 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 2276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...