/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 09:37:41,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 09:37:41,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 09:37:41,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 09:37:41,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 09:37:41,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 09:37:41,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 09:37:41,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 09:37:41,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 09:37:41,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 09:37:41,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 09:37:41,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 09:37:41,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 09:37:41,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 09:37:41,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 09:37:41,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 09:37:41,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 09:37:41,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 09:37:41,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 09:37:41,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 09:37:41,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 09:37:41,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 09:37:41,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 09:37:41,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 09:37:41,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 09:37:41,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 09:37:41,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 09:37:41,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 09:37:41,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 09:37:41,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-03-11 09:37:41,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 09:37:41,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 09:37:41,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 09:37:41,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2021-03-11 09:37:41,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 09:37:41,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 09:37:41,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 09:37:41,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 09:37:41,568 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 09:37:41,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 09:37:41,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 09:37:41,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 09:37:41,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 09:37:41,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 09:37:41,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 09:37:41,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 09:37:41,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 09:37:41,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 09:37:41,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 09:37:41,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 09:37:41,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:37:41,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 09:37:41,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 09:37:41,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 09:37:41,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 09:37:41,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 09:37:41,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 09:37:41,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 09:37:41,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 09:37:41,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 09:37:41,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 09:37:41,888 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 09:37:41,892 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 09:37:41,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-11 09:37:41,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02999edc/4f43cfc0c4ae4401ac8c8e93ceda382f/FLAG98d0cc9e1 [2021-03-11 09:37:42,529 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 09:37:42,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-11 09:37:42,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02999edc/4f43cfc0c4ae4401ac8c8e93ceda382f/FLAG98d0cc9e1 [2021-03-11 09:37:42,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a02999edc/4f43cfc0c4ae4401ac8c8e93ceda382f [2021-03-11 09:37:42,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 09:37:42,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 09:37:42,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:42,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 09:37:42,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 09:37:42,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:42" (1/1) ... [2021-03-11 09:37:42,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4290746d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:42, skipping insertion in model container [2021-03-11 09:37:42,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:37:42" (1/1) ... [2021-03-11 09:37:42,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 09:37:43,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 09:37:43,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 09:37:43,247 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-03-11 09:37:43,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:43,266 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 09:37:43,293 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 09:37:43,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2021-03-11 09:37:43,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:37:43,387 INFO L208 MainTranslator]: Completed translation [2021-03-11 09:37:43,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43 WrapperNode [2021-03-11 09:37:43,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 09:37:43,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:43,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 09:37:43,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 09:37:43,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 09:37:43,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 09:37:43,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 09:37:43,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 09:37:43,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... [2021-03-11 09:37:43,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 09:37:43,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 09:37:43,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 09:37:43,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 09:37:43,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 09:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 09:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 09:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-11 09:37:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-11 09:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 09:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 09:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 09:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 09:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 09:37:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 09:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-11 09:37:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-11 09:37:43,504 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 09:37:43,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 09:37:43,950 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 09:37:43,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:43 BoogieIcfgContainer [2021-03-11 09:37:43,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 09:37:43,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 09:37:43,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 09:37:43,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 09:37:43,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:37:42" (1/3) ... [2021-03-11 09:37:43,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4977ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:43, skipping insertion in model container [2021-03-11 09:37:43,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:37:43" (2/3) ... [2021-03-11 09:37:43,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4977ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:37:43, skipping insertion in model container [2021-03-11 09:37:43,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:37:43" (3/3) ... [2021-03-11 09:37:43,961 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-03-11 09:37:43,966 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 09:37:43,966 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 09:37:43,981 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 09:37:43,981 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,030 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,031 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,032 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,033 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,034 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,034 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,034 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,034 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,034 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,035 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,036 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,037 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,038 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,039 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,040 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,041 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,042 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,043 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,045 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,045 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,045 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,045 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,045 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,046 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,046 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,046 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,046 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,048 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,048 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,048 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,048 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,049 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,049 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,050 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,050 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,050 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,050 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,050 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,051 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,051 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,051 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,051 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,052 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,052 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,052 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,053 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,053 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,053 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:37:44,064 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-11 09:37:44,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 09:37:44,095 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 09:37:44,095 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 09:37:44,095 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 09:37:44,096 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 09:37:44,096 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 09:37:44,096 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 09:37:44,096 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 09:37:44,096 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 09:37:44,107 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 09:37:44,116 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 108 transitions, 284 flow [2021-03-11 09:37:44,118 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 108 transitions, 284 flow [2021-03-11 09:37:44,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-03-11 09:37:44,164 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-03-11 09:37:44,165 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-11 09:37:44,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 142 events. 19/142 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 322 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 95. Up to 12 conditions per place. [2021-03-11 09:37:44,175 INFO L116 LiptonReduction]: Number of co-enabled transitions 2808 [2021-03-11 09:37:46,498 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-11 09:37:46,977 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2021-03-11 09:37:47,098 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-11 09:37:47,370 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2021-03-11 09:37:47,523 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-11 09:37:47,588 INFO L131 LiptonReduction]: Checked pairs total: 21082 [2021-03-11 09:37:47,588 INFO L133 LiptonReduction]: Total number of compositions: 66 [2021-03-11 09:37:47,594 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 59 transitions, 186 flow [2021-03-11 09:37:47,948 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5381 states, 5377 states have (on average 3.6972289380695553) internal successors, (19880), 5380 states have internal predecessors, (19880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 5381 states, 5377 states have (on average 3.6972289380695553) internal successors, (19880), 5380 states have internal predecessors, (19880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 09:37:47,975 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:47,976 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:47,976 INFO L428 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:47,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:47,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1635314980, now seen corresponding path program 1 times [2021-03-11 09:37:47,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:47,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580506922] [2021-03-11 09:37:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:48,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:48,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:48,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:48,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:48,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580506922] [2021-03-11 09:37:48,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:48,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:48,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134925637] [2021-03-11 09:37:48,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:48,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:48,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:48,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:48,238 INFO L87 Difference]: Start difference. First operand has 5381 states, 5377 states have (on average 3.6972289380695553) internal successors, (19880), 5380 states have internal predecessors, (19880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:48,507 INFO L93 Difference]: Finished difference Result 12215 states and 41131 transitions. [2021-03-11 09:37:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:48,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 09:37:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:48,593 INFO L225 Difference]: With dead ends: 12215 [2021-03-11 09:37:48,593 INFO L226 Difference]: Without dead ends: 9425 [2021-03-11 09:37:48,594 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:48,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9425 states. [2021-03-11 09:37:48,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9425 to 5970. [2021-03-11 09:37:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5970 states, 5967 states have (on average 3.4943857885034357) internal successors, (20851), 5969 states have internal predecessors, (20851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5970 states to 5970 states and 20851 transitions. [2021-03-11 09:37:48,968 INFO L78 Accepts]: Start accepts. Automaton has 5970 states and 20851 transitions. Word has length 9 [2021-03-11 09:37:48,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:48,968 INFO L480 AbstractCegarLoop]: Abstraction has 5970 states and 20851 transitions. [2021-03-11 09:37:48,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5970 states and 20851 transitions. [2021-03-11 09:37:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:37:48,976 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:48,976 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:48,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 09:37:48,976 INFO L428 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:48,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:48,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2061772589, now seen corresponding path program 1 times [2021-03-11 09:37:48,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:48,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810857677] [2021-03-11 09:37:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:49,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:49,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810857677] [2021-03-11 09:37:49,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:49,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:49,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322321349] [2021-03-11 09:37:49,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:37:49,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:49,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:37:49,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:49,074 INFO L87 Difference]: Start difference. First operand 5970 states and 20851 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:49,213 INFO L93 Difference]: Finished difference Result 5110 states and 15907 transitions. [2021-03-11 09:37:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:37:49,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:37:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:49,257 INFO L225 Difference]: With dead ends: 5110 [2021-03-11 09:37:49,257 INFO L226 Difference]: Without dead ends: 5078 [2021-03-11 09:37:49,257 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:37:49,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2021-03-11 09:37:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 5078. [2021-03-11 09:37:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 5075 states have (on average 3.1182266009852215) internal successors, (15825), 5077 states have internal predecessors, (15825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 15825 transitions. [2021-03-11 09:37:49,479 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 15825 transitions. Word has length 11 [2021-03-11 09:37:49,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:49,479 INFO L480 AbstractCegarLoop]: Abstraction has 5078 states and 15825 transitions. [2021-03-11 09:37:49,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 15825 transitions. [2021-03-11 09:37:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 09:37:49,480 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:49,481 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:49,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 09:37:49,481 INFO L428 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1124610493, now seen corresponding path program 2 times [2021-03-11 09:37:49,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:49,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865740574] [2021-03-11 09:37:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:49,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:49,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865740574] [2021-03-11 09:37:49,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:49,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:37:49,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912935718] [2021-03-11 09:37:49,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 09:37:49,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:49,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 09:37:49,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:37:49,537 INFO L87 Difference]: Start difference. First operand 5078 states and 15825 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:49,580 INFO L93 Difference]: Finished difference Result 3610 states and 9112 transitions. [2021-03-11 09:37:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 09:37:49,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-03-11 09:37:49,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:49,590 INFO L225 Difference]: With dead ends: 3610 [2021-03-11 09:37:49,590 INFO L226 Difference]: Without dead ends: 3480 [2021-03-11 09:37:49,591 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 09:37:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2021-03-11 09:37:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2892. [2021-03-11 09:37:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2892 states, 2884 states have (on average 2.6036754507628292) internal successors, (7509), 2891 states have internal predecessors, (7509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 7509 transitions. [2021-03-11 09:37:49,673 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 7509 transitions. Word has length 11 [2021-03-11 09:37:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:49,673 INFO L480 AbstractCegarLoop]: Abstraction has 2892 states and 7509 transitions. [2021-03-11 09:37:49,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 7509 transitions. [2021-03-11 09:37:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 09:37:49,674 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:49,674 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:49,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 09:37:49,674 INFO L428 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:49,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:49,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1726892352, now seen corresponding path program 1 times [2021-03-11 09:37:49,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:49,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158074942] [2021-03-11 09:37:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:49,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:49,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158074942] [2021-03-11 09:37:49,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:49,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:49,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128665479] [2021-03-11 09:37:49,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:49,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:49,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:49,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:49,784 INFO L87 Difference]: Start difference. First operand 2892 states and 7509 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:49,885 INFO L93 Difference]: Finished difference Result 4093 states and 10321 transitions. [2021-03-11 09:37:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:37:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 09:37:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:49,895 INFO L225 Difference]: With dead ends: 4093 [2021-03-11 09:37:49,895 INFO L226 Difference]: Without dead ends: 3485 [2021-03-11 09:37:49,895 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:37:49,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2021-03-11 09:37:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 2611. [2021-03-11 09:37:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2609 states have (on average 2.5829819854350324) internal successors, (6739), 2610 states have internal predecessors, (6739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 6739 transitions. [2021-03-11 09:37:49,983 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 6739 transitions. Word has length 13 [2021-03-11 09:37:49,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:49,984 INFO L480 AbstractCegarLoop]: Abstraction has 2611 states and 6739 transitions. [2021-03-11 09:37:49,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 6739 transitions. [2021-03-11 09:37:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 09:37:49,986 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:49,986 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:49,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 09:37:49,986 INFO L428 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:49,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:49,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1687087907, now seen corresponding path program 1 times [2021-03-11 09:37:49,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:49,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900351635] [2021-03-11 09:37:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:50,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:50,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:50,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900351635] [2021-03-11 09:37:50,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:50,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:50,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948450360] [2021-03-11 09:37:50,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:50,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:50,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:50,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,062 INFO L87 Difference]: Start difference. First operand 2611 states and 6739 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:50,155 INFO L93 Difference]: Finished difference Result 3334 states and 8400 transitions. [2021-03-11 09:37:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 09:37:50,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-03-11 09:37:50,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:50,163 INFO L225 Difference]: With dead ends: 3334 [2021-03-11 09:37:50,163 INFO L226 Difference]: Without dead ends: 3189 [2021-03-11 09:37:50,164 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2021-03-11 09:37:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 2338. [2021-03-11 09:37:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 2336 states have (on average 2.5676369863013697) internal successors, (5998), 2337 states have internal predecessors, (5998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 5998 transitions. [2021-03-11 09:37:50,265 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 5998 transitions. Word has length 16 [2021-03-11 09:37:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:50,265 INFO L480 AbstractCegarLoop]: Abstraction has 2338 states and 5998 transitions. [2021-03-11 09:37:50,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 5998 transitions. [2021-03-11 09:37:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-03-11 09:37:50,266 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:50,266 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:50,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 09:37:50,266 INFO L428 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:50,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:50,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1699110448, now seen corresponding path program 1 times [2021-03-11 09:37:50,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:50,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621068180] [2021-03-11 09:37:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:50,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:50,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621068180] [2021-03-11 09:37:50,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:50,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:50,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057058000] [2021-03-11 09:37:50,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:50,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:50,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:50,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,319 INFO L87 Difference]: Start difference. First operand 2338 states and 5998 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:50,405 INFO L93 Difference]: Finished difference Result 2943 states and 7425 transitions. [2021-03-11 09:37:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 09:37:50,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-03-11 09:37:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:50,411 INFO L225 Difference]: With dead ends: 2943 [2021-03-11 09:37:50,411 INFO L226 Difference]: Without dead ends: 2663 [2021-03-11 09:37:50,412 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:37:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2021-03-11 09:37:50,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 1918. [2021-03-11 09:37:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1916 states have (on average 2.56419624217119) internal successors, (4913), 1917 states have internal predecessors, (4913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 4913 transitions. [2021-03-11 09:37:50,457 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 4913 transitions. Word has length 16 [2021-03-11 09:37:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:50,457 INFO L480 AbstractCegarLoop]: Abstraction has 1918 states and 4913 transitions. [2021-03-11 09:37:50,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 4913 transitions. [2021-03-11 09:37:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-03-11 09:37:50,459 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:50,459 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:50,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 09:37:50,459 INFO L428 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:50,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1869254609, now seen corresponding path program 1 times [2021-03-11 09:37:50,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:50,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989400627] [2021-03-11 09:37:50,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:50,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:50,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989400627] [2021-03-11 09:37:50,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:50,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:50,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867616529] [2021-03-11 09:37:50,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:50,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:50,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:50,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,515 INFO L87 Difference]: Start difference. First operand 1918 states and 4913 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:50,555 INFO L93 Difference]: Finished difference Result 2310 states and 5767 transitions. [2021-03-11 09:37:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:37:50,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2021-03-11 09:37:50,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:50,559 INFO L225 Difference]: With dead ends: 2310 [2021-03-11 09:37:50,560 INFO L226 Difference]: Without dead ends: 1806 [2021-03-11 09:37:50,560 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2021-03-11 09:37:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1630. [2021-03-11 09:37:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1628 states have (on average 2.4723587223587224) internal successors, (4025), 1629 states have internal predecessors, (4025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 4025 transitions. [2021-03-11 09:37:50,593 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 4025 transitions. Word has length 21 [2021-03-11 09:37:50,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:50,593 INFO L480 AbstractCegarLoop]: Abstraction has 1630 states and 4025 transitions. [2021-03-11 09:37:50,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 4025 transitions. [2021-03-11 09:37:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-03-11 09:37:50,595 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:37:50,595 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 09:37:50,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 09:37:50,596 INFO L428 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 09:37:50,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:37:50,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1724031851, now seen corresponding path program 1 times [2021-03-11 09:37:50,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:37:50,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138145202] [2021-03-11 09:37:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:37:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:37:50,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:37:50,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:37:50,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:37:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:37:50,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138145202] [2021-03-11 09:37:50,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:37:50,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:37:50,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701754516] [2021-03-11 09:37:50,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:37:50,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:37:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:37:50,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,663 INFO L87 Difference]: Start difference. First operand 1630 states and 4025 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:37:50,683 INFO L93 Difference]: Finished difference Result 502 states and 911 transitions. [2021-03-11 09:37:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:37:50,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2021-03-11 09:37:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:37:50,684 INFO L225 Difference]: With dead ends: 502 [2021-03-11 09:37:50,684 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 09:37:50,684 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:37:50,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 09:37:50,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 09:37:50,685 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) [2021-03-11 09:37:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 09:37:50,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-03-11 09:37:50,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:37:50,685 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 09:37:50,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 09:37:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 09:37:50,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 09:37:50,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 09:37:50,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 09:37:50 BasicIcfg [2021-03-11 09:37:50,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 09:37:50,693 INFO L168 Benchmark]: Toolchain (without parser) took 7745.07 ms. Allocated memory was 255.9 MB in the beginning and 692.1 MB in the end (delta: 436.2 MB). Free memory was 234.6 MB in the beginning and 475.3 MB in the end (delta: -240.7 MB). Peak memory consumption was 195.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:50,696 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:37:50,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.81 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 234.0 MB in the beginning and 320.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:50,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 358.6 MB. Free memory was 320.0 MB in the beginning and 318.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:37:50,699 INFO L168 Benchmark]: Boogie Preprocessor took 17.61 ms. Allocated memory is still 358.6 MB. Free memory was 317.9 MB in the beginning and 317.2 MB in the end (delta: 678.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:37:50,699 INFO L168 Benchmark]: RCFGBuilder took 512.43 ms. Allocated memory is still 358.6 MB. Free memory was 316.5 MB in the beginning and 285.8 MB in the end (delta: 30.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:50,699 INFO L168 Benchmark]: TraceAbstraction took 6733.30 ms. Allocated memory was 358.6 MB in the beginning and 692.1 MB in the end (delta: 333.4 MB). Free memory was 285.8 MB in the beginning and 475.3 MB in the end (delta: -189.6 MB). Peak memory consumption was 146.3 MB. Max. memory is 16.0 GB. [2021-03-11 09:37:50,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 437.81 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 234.0 MB in the beginning and 320.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 358.6 MB. Free memory was 320.0 MB in the beginning and 318.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.61 ms. Allocated memory is still 358.6 MB. Free memory was 317.9 MB in the beginning and 317.2 MB in the end (delta: 678.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 512.43 ms. Allocated memory is still 358.6 MB. Free memory was 316.5 MB in the beginning and 285.8 MB in the end (delta: 30.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6733.30 ms. Allocated memory was 358.6 MB in the beginning and 692.1 MB in the end (delta: 333.4 MB). Free memory was 285.8 MB in the beginning and 475.3 MB in the end (delta: -189.6 MB). Peak memory consumption was 146.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3469.4ms, 107 PlacesBefore, 58 PlacesAfterwards, 108 TransitionsBefore, 59 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 8 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 66 TotalNumberOfCompositions, 21082 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16046, positive: 15712, positive conditional: 0, positive unconditional: 15712, negative: 334, negative conditional: 0, negative unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2441, positive: 2395, positive conditional: 0, positive unconditional: 2395, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2441, positive: 2357, positive conditional: 0, positive unconditional: 2357, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16046, positive: 13317, positive conditional: 0, positive unconditional: 13317, negative: 288, negative conditional: 0, negative unconditional: 288, unknown: 2441, unknown conditional: 0, unknown unconditional: 2441] , Statistics on independence cache: Total cache size (in pairs): 893, Positive cache size: 864, Positive conditional cache size: 0, Positive unconditional cache size: 864, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6593.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 41.3ms, AutomataDifference: 1017.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3852.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 720 SDtfs, 804 SDslu, 1082 SDs, 0 SdLazy, 377 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 331.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 127.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5970occurred in iteration=1, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 930.9ms AutomataMinimizationTime, 8 MinimizatonAttempts, 6689 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.0ms SsaConstructionTime, 179.9ms SatisfiabilityAnalysisTime, 356.8ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...