/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkFork.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:28:25,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:28:25,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:28:25,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:28:25,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:28:25,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:28:25,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:28:25,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:28:25,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:28:25,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:28:25,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:28:25,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:28:25,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:28:25,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:28:25,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:28:25,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:28:25,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:28:25,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:28:25,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:28:25,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:28:25,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:28:25,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:28:25,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:28:25,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:28:25,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:28:25,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:28:25,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:28:25,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:28:25,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:28:25,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:28:25,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:28:25,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:28:25,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:28:25,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:28:25,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:28:25,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:28:25,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:28:25,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:28:25,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:28:25,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:28:25,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:28:25,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-06-16 16:28:25,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:28:25,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:28:25,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:28:25,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:28:25,337 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:28:25,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:28:25,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:28:25,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:28:25,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:28:25,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:28:25,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:28:25,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:28:25,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:28:25,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:28:25,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:28:25,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:28:25,356 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:28:25,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:28:25,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:28:25,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:28:25,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:28:25,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:28:25,608 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:28:25,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2021-06-16 16:28:25,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578ef4a56/b979e09dca784acead157251ccf1a657/FLAGc1f6e84d5 [2021-06-16 16:28:26,028 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:28:26,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2021-06-16 16:28:26,029 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:28:26,029 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:28:26,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578ef4a56/b979e09dca784acead157251ccf1a657/FLAGc1f6e84d5 [2021-06-16 16:28:26,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578ef4a56/b979e09dca784acead157251ccf1a657 [2021-06-16 16:28:26,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:28:26,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:28:26,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:28:26,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:28:26,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:28:26,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfcfba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26, skipping insertion in model container [2021-06-16 16:28:26,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:28:26,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:28:26,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:28:26,248 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:28:26,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:28:26,273 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:28:26,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26 WrapperNode [2021-06-16 16:28:26,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:28:26,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:28:26,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:28:26,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:28:26,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:28:26,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:28:26,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:28:26,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:28:26,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (1/1) ... [2021-06-16 16:28:26,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:28:26,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:28:26,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:28:26,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:28:26,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (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 [2021-06-16 16:28:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-16 16:28:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:28:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-06-16 16:28:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-06-16 16:28:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-16 16:28:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-16 16:28:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:28:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:28:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 16:28:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 16:28:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-16 16:28:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:28:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:28:26,424 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:28:26,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:28:26,792 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 16:28:26,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:28:26 BoogieIcfgContainer [2021-06-16 16:28:26,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:28:26,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:28:26,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:28:26,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:28:26,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:28:26" (1/3) ... [2021-06-16 16:28:26,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e1d5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:28:26, skipping insertion in model container [2021-06-16 16:28:26,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:28:26" (2/3) ... [2021-06-16 16:28:26,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e1d5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:28:26, skipping insertion in model container [2021-06-16 16:28:26,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:28:26" (3/3) ... [2021-06-16 16:28:26,800 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2021-06-16 16:28:26,806 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:28:26,806 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:28:26,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 16:28:26,807 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:28:26,849 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,849 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,849 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,849 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,849 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,850 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,851 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,852 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,852 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,853 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,854 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,855 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,855 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,855 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,855 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,855 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,856 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,858 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,858 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,858 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,859 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,861 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,861 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,861 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,861 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,861 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,862 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,862 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,862 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,862 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,862 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,864 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,864 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,866 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,866 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,866 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,866 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,867 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,867 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,867 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,868 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,870 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,870 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,870 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,870 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,871 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,872 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,874 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,874 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,874 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,875 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,878 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,880 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,881 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,882 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,883 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,884 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,884 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,884 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,884 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,884 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,886 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,887 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,888 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,893 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,893 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,893 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,893 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,894 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,895 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,895 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,896 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,900 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,901 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,901 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,901 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:28:26,931 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-16 16:28:26,945 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:28:26,968 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:28:26,968 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:28:26,968 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:28:26,968 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:28:26,968 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:28:26,968 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:28:26,968 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:28:26,968 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork1======== [2021-06-16 16:28:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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) [2021-06-16 16:28:27,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:28:27,077 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork1 was SAFE (1/5) [2021-06-16 16:28:27,078 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:28:27,079 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:28:27,079 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:28:27,080 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:28:27,080 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:28:27,080 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:28:27,080 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:28:27,080 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:28:27,080 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == bar======== [2021-06-16 16:28:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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) [2021-06-16 16:28:27,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:28:27,134 INFO L301 ceAbstractionStarter]: Result for error location bar was SAFE (2/5) [2021-06-16 16:28:27,134 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:28:27,135 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:28:27,135 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:28:27,135 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:28:27,135 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:28:27,135 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:28:27,135 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:28:27,135 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:28:27,135 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== [2021-06-16 16:28:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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) [2021-06-16 16:28:27,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:28:27,166 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (3/5) [2021-06-16 16:28:27,166 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 16:28:27,167 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:28:27,167 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:28:27,167 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:28:27,167 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:28:27,167 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:28:27,167 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:28:27,167 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:28:27,167 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:28:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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) [2021-06-16 16:28:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-16 16:28:27,198 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:27,199 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:27,199 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:27,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:27,202 INFO L82 PathProgramCache]: Analyzing trace with hash 982709772, now seen corresponding path program 1 times [2021-06-16 16:28:27,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:27,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732123936] [2021-06-16 16:28:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:27,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:27,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:27,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 16:28:27,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:27,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 16:28:27,469 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-06-16 16:28:27,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-16 16:28:27,515 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-06-16 16:28:27,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-06-16 16:28:27,582 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-06-16 16:28:27,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-06-16 16:28:27,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:27,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:27,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:27,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732123936] [2021-06-16 16:28:27,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732123936] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:27,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:27,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 16:28:27,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199218378] [2021-06-16 16:28:27,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 16:28:27,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:27,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 16:28:27,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-16 16:28:27,650 INFO L87 Difference]: Start difference. First operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2021-06-16 16:28:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:27,882 INFO L93 Difference]: Finished difference Result 545 states and 606 transitions. [2021-06-16 16:28:27,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 16:28:27,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 46 [2021-06-16 16:28:27,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:27,890 INFO L225 Difference]: With dead ends: 545 [2021-06-16 16:28:27,890 INFO L226 Difference]: Without dead ends: 249 [2021-06-16 16:28:27,891 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 213.4ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-16 16:28:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-06-16 16:28:27,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 234. [2021-06-16 16:28:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 230 states have (on average 1.1956521739130435) internal successors, (275), 233 states have internal predecessors, (275), 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) [2021-06-16 16:28:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 275 transitions. [2021-06-16 16:28:27,923 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 275 transitions. Word has length 46 [2021-06-16 16:28:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:27,923 INFO L482 AbstractCegarLoop]: Abstraction has 234 states and 275 transitions. [2021-06-16 16:28:27,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2021-06-16 16:28:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 275 transitions. [2021-06-16 16:28:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-16 16:28:27,924 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:27,924 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:27,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:28:27,924 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:27,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1272071898, now seen corresponding path program 2 times [2021-06-16 16:28:27,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:27,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335283864] [2021-06-16 16:28:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:28:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-16 16:28:28,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-16 16:28:28,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-16 16:28:28,160 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-06-16 16:28:28,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-16 16:28:28,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-16 16:28:28,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-16 16:28:28,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-16 16:28:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-16 16:28:28,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-16 16:28:28,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 16:28:28,304 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-06-16 16:28:28,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-06-16 16:28:28,357 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-06-16 16:28:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-06-16 16:28:28,412 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-06-16 16:28:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-06-16 16:28:28,421 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-06-16 16:28:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-06-16 16:28:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:28,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:28,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335283864] [2021-06-16 16:28:28,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335283864] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:28,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:28,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-16 16:28:28,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261654763] [2021-06-16 16:28:28,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 16:28:28,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:28,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 16:28:28,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-16 16:28:28,429 INFO L87 Difference]: Start difference. First operand 234 states and 275 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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) [2021-06-16 16:28:28,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:28,832 INFO L93 Difference]: Finished difference Result 265 states and 310 transitions. [2021-06-16 16:28:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 16:28:28,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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 46 [2021-06-16 16:28:28,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:28,847 INFO L225 Difference]: With dead ends: 265 [2021-06-16 16:28:28,847 INFO L226 Difference]: Without dead ends: 265 [2021-06-16 16:28:28,847 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 413.3ms TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2021-06-16 16:28:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-06-16 16:28:28,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 222. [2021-06-16 16:28:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 218 states have (on average 1.201834862385321) internal successors, (262), 221 states have internal predecessors, (262), 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) [2021-06-16 16:28:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 262 transitions. [2021-06-16 16:28:28,856 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 262 transitions. Word has length 46 [2021-06-16 16:28:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:28,856 INFO L482 AbstractCegarLoop]: Abstraction has 222 states and 262 transitions. [2021-06-16 16:28:28,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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) [2021-06-16 16:28:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 262 transitions. [2021-06-16 16:28:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-16 16:28:28,857 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:28,857 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:28,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 16:28:28,857 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:28,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:28,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1884213040, now seen corresponding path program 3 times [2021-06-16 16:28:28,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:28,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105612281] [2021-06-16 16:28:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:28,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:28,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:28,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-16 16:28:28,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:28:28,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-16 16:28:28,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:28:28,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-16 16:28:28,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-16 16:28:28,951 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-16 16:28:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-16 16:28:28,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-16 16:28:28,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-16 16:28:28,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-06-16 16:28:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-16 16:28:28,984 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-06-16 16:28:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-16 16:28:29,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-06-16 16:28:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-16 16:28:29,029 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-06-16 16:28:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-16 16:28:29,053 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.0 percent of original size [2021-06-16 16:28:29,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-16 16:28:29,084 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-06-16 16:28:29,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 16:28:29,099 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-06-16 16:28:29,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 16:28:29,116 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-06-16 16:28:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 16:28:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 16:28:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-16 16:28:29,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 16:28:29,184 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-06-16 16:28:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-06-16 16:28:29,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:29,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:29,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105612281] [2021-06-16 16:28:29,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105612281] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:29,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:29,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-16 16:28:29,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347382593] [2021-06-16 16:28:29,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 16:28:29,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 16:28:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-16 16:28:29,249 INFO L87 Difference]: Start difference. First operand 222 states and 262 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 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) [2021-06-16 16:28:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:29,893 INFO L93 Difference]: Finished difference Result 193 states and 219 transitions. [2021-06-16 16:28:29,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 16:28:29,894 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 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 46 [2021-06-16 16:28:29,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:29,895 INFO L225 Difference]: With dead ends: 193 [2021-06-16 16:28:29,895 INFO L226 Difference]: Without dead ends: 193 [2021-06-16 16:28:29,895 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 604.6ms TimeCoverageRelationStatistics Valid=184, Invalid=808, Unknown=0, NotChecked=0, Total=992 [2021-06-16 16:28:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-06-16 16:28:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 162. [2021-06-16 16:28:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.1428571428571428) internal successors, (184), 161 states have internal predecessors, (184), 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) [2021-06-16 16:28:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 184 transitions. [2021-06-16 16:28:29,900 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 184 transitions. Word has length 46 [2021-06-16 16:28:29,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:29,900 INFO L482 AbstractCegarLoop]: Abstraction has 162 states and 184 transitions. [2021-06-16 16:28:29,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 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) [2021-06-16 16:28:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 184 transitions. [2021-06-16 16:28:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-16 16:28:29,901 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:29,901 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:29,901 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 16:28:29,901 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:29,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:29,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1248134227, now seen corresponding path program 1 times [2021-06-16 16:28:29,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:29,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296950135] [2021-06-16 16:28:29,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:29,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:29,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:29,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:29,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:29,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-16 16:28:29,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:28:29,961 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-16 16:28:29,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:28:29,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-06-16 16:28:29,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-16 16:28:29,972 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-06-16 16:28:29,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-16 16:28:29,983 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-16 16:28:29,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-16 16:28:29,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-16 16:28:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-16 16:28:30,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-16 16:28:30,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-16 16:28:30,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 16:28:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,071 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-06-16 16:28:30,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:30,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 16:28:30,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-16 16:28:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:30,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:30,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:30,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:28:30,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:30,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:30,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:30,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:30,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:30,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296950135] [2021-06-16 16:28:30,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296950135] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:30,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:30,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-06-16 16:28:30,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842587188] [2021-06-16 16:28:30,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 16:28:30,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:30,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 16:28:30,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2021-06-16 16:28:30,329 INFO L87 Difference]: Start difference. First operand 162 states and 184 transitions. Second operand has 27 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 27 states have internal predecessors, (61), 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) [2021-06-16 16:28:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:31,813 INFO L93 Difference]: Finished difference Result 180 states and 202 transitions. [2021-06-16 16:28:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 16:28:31,813 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 27 states have internal predecessors, (61), 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 61 [2021-06-16 16:28:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:31,814 INFO L225 Difference]: With dead ends: 180 [2021-06-16 16:28:31,814 INFO L226 Difference]: Without dead ends: 78 [2021-06-16 16:28:31,815 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 1345.9ms TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2021-06-16 16:28:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-06-16 16:28:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-06-16 16:28:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 77 states have internal predecessors, (84), 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) [2021-06-16 16:28:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2021-06-16 16:28:31,817 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 61 [2021-06-16 16:28:31,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:31,817 INFO L482 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2021-06-16 16:28:31,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 27 states have internal predecessors, (61), 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) [2021-06-16 16:28:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2021-06-16 16:28:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-16 16:28:31,818 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:31,818 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:31,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 16:28:31,818 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:31,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:31,818 INFO L82 PathProgramCache]: Analyzing trace with hash -636748243, now seen corresponding path program 2 times [2021-06-16 16:28:31,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:31,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263683916] [2021-06-16 16:28:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:31,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:31,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 16:28:31,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 16:28:31,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-16 16:28:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 16:28:31,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-16 16:28:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 16:28:31,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-16 16:28:31,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 16:28:31,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 16:28:31,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:31,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,008 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-16 16:28:32,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:28:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-16 16:28:32,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 16:28:32,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:28:32,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 16:28:32,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:28:32,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:32,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:32,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:32,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:32,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:32,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:32,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263683916] [2021-06-16 16:28:32,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263683916] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:32,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:32,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-06-16 16:28:32,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433029913] [2021-06-16 16:28:32,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 16:28:32,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 16:28:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=804, Unknown=0, NotChecked=0, Total=870 [2021-06-16 16:28:32,333 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 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) [2021-06-16 16:28:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:34,374 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2021-06-16 16:28:34,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 16:28:34,375 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 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 61 [2021-06-16 16:28:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:34,375 INFO L225 Difference]: With dead ends: 77 [2021-06-16 16:28:34,375 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:28:34,376 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 2010.7ms TimeCoverageRelationStatistics Valid=633, Invalid=3789, Unknown=0, NotChecked=0, Total=4422 [2021-06-16 16:28:34,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:28:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:28:34,376 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) [2021-06-16 16:28:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:28:34,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-06-16 16:28:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:34,377 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:28:34,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 29 states have (on average 2.103448275862069) internal successors, (61), 30 states have internal predecessors, (61), 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) [2021-06-16 16:28:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:28:34,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:28:34,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 16:28:34,377 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-16 16:28:34,377 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:28:34,378 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:28:34,378 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:28:34,378 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:28:34,378 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:28:34,378 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:28:34,378 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:28:34,378 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:28:34,378 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == barThread1of1ForFork0======== [2021-06-16 16:28:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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) [2021-06-16 16:28:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-16 16:28:34,404 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:28:34,405 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:28:34,405 INFO L430 AbstractCegarLoop]: === Iteration 1 === [barErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:28:34,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:28:34,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1964643420, now seen corresponding path program 1 times [2021-06-16 16:28:34,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:28:34,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112953622] [2021-06-16 16:28:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:28:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:28:34,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:28:34,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:28:34,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:28:34,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:28:34,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:28:34,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:28:34,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:28:34,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:34,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:28:34,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:28:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:34,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:34,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:28:34,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:34,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:28:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:28:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:28:34,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:28:34,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112953622] [2021-06-16 16:28:34,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112953622] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:28:34,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:28:34,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-16 16:28:34,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954149696] [2021-06-16 16:28:34,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 16:28:34,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:28:34,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 16:28:34,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-06-16 16:28:34,538 INFO L87 Difference]: Start difference. First operand has 477 states, 425 states have (on average 1.2541176470588236) internal successors, (533), 476 states have internal predecessors, (533), 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 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-06-16 16:28:34,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:28:34,989 INFO L93 Difference]: Finished difference Result 457 states and 513 transitions. [2021-06-16 16:28:34,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 16:28:34,989 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 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 26 [2021-06-16 16:28:34,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:28:34,989 INFO L225 Difference]: With dead ends: 457 [2021-06-16 16:28:34,989 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:28:34,990 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 375.8ms TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2021-06-16 16:28:34,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:28:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:28:34,990 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) [2021-06-16 16:28:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:28:34,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-06-16 16:28:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:28:34,990 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:28:34,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-06-16 16:28:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:28:34,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:28:34,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 16:28:34,990 INFO L301 ceAbstractionStarter]: Result for error location barThread1of1ForFork0 was SAFE (5/5) [2021-06-16 16:28:34,991 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:28:34,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:28:34 BasicIcfg [2021-06-16 16:28:34,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:28:34,993 INFO L168 Benchmark]: Toolchain (without parser) took 8916.72 ms. Allocated memory was 228.6 MB in the beginning and 374.3 MB in the end (delta: 145.8 MB). Free memory was 191.1 MB in the beginning and 305.5 MB in the end (delta: -114.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,993 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 228.6 MB. Free memory is still 209.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:28:34,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.19 ms. Allocated memory is still 228.6 MB. Free memory was 190.9 MB in the beginning and 210.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.37 ms. Allocated memory is still 228.6 MB. Free memory was 210.5 MB in the beginning and 209.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,994 INFO L168 Benchmark]: Boogie Preprocessor took 28.97 ms. Allocated memory is still 228.6 MB. Free memory was 209.4 MB in the beginning and 207.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,994 INFO L168 Benchmark]: RCFGBuilder took 461.58 ms. Allocated memory is still 228.6 MB. Free memory was 207.9 MB in the beginning and 186.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,994 INFO L168 Benchmark]: TraceAbstraction took 8197.74 ms. Allocated memory was 228.6 MB in the beginning and 374.3 MB in the end (delta: 145.8 MB). Free memory was 186.4 MB in the beginning and 305.5 MB in the end (delta: -119.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 8.0 GB. [2021-06-16 16:28:34,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 228.6 MB. Free memory is still 209.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 196.19 ms. Allocated memory is still 228.6 MB. Free memory was 190.9 MB in the beginning and 210.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.37 ms. Allocated memory is still 228.6 MB. Free memory was 210.5 MB in the beginning and 209.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.97 ms. Allocated memory is still 228.6 MB. Free memory was 209.4 MB in the beginning and 207.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 461.58 ms. Allocated memory is still 228.6 MB. Free memory was 207.9 MB in the beginning and 186.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8197.74 ms. Allocated memory was 228.6 MB in the beginning and 374.3 MB in the end (delta: 145.8 MB). Free memory was 186.4 MB in the beginning and 305.5 MB in the end (delta: -119.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, positive: 538, positive conditional: 0, positive unconditional: 538, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 550, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 23 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, positive: 538, positive conditional: 0, positive unconditional: 538, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 550, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 23 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, positive: 538, positive conditional: 0, positive unconditional: 538, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 550, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 23 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, positive: 538, positive conditional: 0, positive unconditional: 538, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 550, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 23 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, positive: 538, positive conditional: 0, positive unconditional: 538, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 550, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 23 - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: fooThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 115 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 110.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 14.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 93.3ms, PartialOrderReductionTime: 84.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: bar with 1 thread instances CFG has 5 procedures, 115 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 3.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 50.6ms, PartialOrderReductionTime: 48.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: foo with 1 thread instances CFG has 5 procedures, 115 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 1.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.2ms, PartialOrderReductionTime: 26.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 115 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7210.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 4.6ms, AutomataDifference: 4844.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.7ms, PartialOrderReductionTime: 27.4ms, HoareTripleCheckerStatistics: 324 SDtfs, 1046 SDslu, 3085 SDs, 0 SdLazy, 2592 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1126.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 12 SyntacticMatches, 6 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1419 ImplicationChecksByTransitivity, 4588.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=0, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 38.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 89 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.3ms SsaConstructionTime, 107.9ms SatisfiabilityAnalysisTime, 2082.9ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 4097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: barThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 115 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 612.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.1ms, AutomataDifference: 452.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.2ms, PartialOrderReductionTime: 24.2ms, HoareTripleCheckerStatistics: 61 SDtfs, 264 SDslu, 627 SDs, 0 SdLazy, 331 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 130.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 375.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9ms SsaConstructionTime, 2.9ms SatisfiabilityAnalysisTime, 125.4ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...