/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-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 08:30:12,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 08:30:12,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 08:30:13,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 08:30:13,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 08:30:13,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 08:30:13,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 08:30:13,092 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-POR-Persistent-NoLbe.epf [2021-06-14 08:30:13,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 08:30:13,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 08:30:13,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 08:30:13,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 08:30:13,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 08:30:13,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 08:30:13,121 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 08:30:13,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 08:30:13,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 08:30:13,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 08:30:13,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 08:30:13,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 08:30:13,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 08:30:13,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 08:30:13,124 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-14 08:30:13,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 08:30:13,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 08:30:13,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 08:30:13,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 08:30:13,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 08:30:13,375 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 08:30:13,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2021-06-14 08:30:13,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d5f40b4/ea89825d92c641b5b806de24823af4b8/FLAG802a81a7f [2021-06-14 08:30:13,879 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 08:30:13,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2021-06-14 08:30:13,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d5f40b4/ea89825d92c641b5b806de24823af4b8/FLAG802a81a7f [2021-06-14 08:30:14,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d5f40b4/ea89825d92c641b5b806de24823af4b8 [2021-06-14 08:30:14,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 08:30:14,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 08:30:14,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 08:30:14,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 08:30:14,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 08:30:14,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:14,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b09b67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14, skipping insertion in model container [2021-06-14 08:30:14,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:14,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 08:30:14,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 08:30:14,836 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i[30035,30048] [2021-06-14 08:30:14,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 08:30:14,859 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 08:30:14,887 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i[30035,30048] [2021-06-14 08:30:14,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 08:30:14,951 INFO L208 MainTranslator]: Completed translation [2021-06-14 08:30:14,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14 WrapperNode [2021-06-14 08:30:14,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 08:30:14,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 08:30:14,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 08:30:14,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 08:30:14,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:14,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 08:30:15,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 08:30:15,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 08:30:15,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 08:30:15,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (1/1) ... [2021-06-14 08:30:15,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 08:30:15,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 08:30:15,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 08:30:15,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 08:30:15,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (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 [2021-06-14 08:30:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-14 08:30:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-14 08:30:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-14 08:30:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-14 08:30:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 08:30:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-14 08:30:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 08:30:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 08:30:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 08:30:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 08:30:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 08:30:15,098 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 08:30:15,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 08:30:15,431 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-06-14 08:30:15,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 08:30:15 BoogieIcfgContainer [2021-06-14 08:30:15,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 08:30:15,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 08:30:15,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 08:30:15,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 08:30:15,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 08:30:14" (1/3) ... [2021-06-14 08:30:15,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7c1419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 08:30:15, skipping insertion in model container [2021-06-14 08:30:15,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 08:30:14" (2/3) ... [2021-06-14 08:30:15,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7c1419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 08:30:15, skipping insertion in model container [2021-06-14 08:30:15,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 08:30:15" (3/3) ... [2021-06-14 08:30:15,438 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2021-06-14 08:30:15,442 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 08:30:15,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 08:30:15,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 08:30:15,443 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 08:30:15,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,474 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:15,488 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 08:30:15,501 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:15,543 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:15,544 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:15,544 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:15,544 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:15,544 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:15,544 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:15,544 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:15,544 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-14 08:30:15,674 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/3) [2021-06-14 08:30:15,675 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:15,684 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:15,684 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:15,684 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:15,684 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:15,685 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:15,685 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:15,685 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:15,685 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-14 08:30:15,726 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:15,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash -167569398, now seen corresponding path program 1 times [2021-06-14 08:30:15,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:15,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329395553] [2021-06-14 08:30:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:15,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:15,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329395553] [2021-06-14 08:30:15,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329395553] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:15,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:15,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 08:30:15,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020147874] [2021-06-14 08:30:15,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 08:30:15,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:15,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 08:30:15,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 08:30:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:15,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:15,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-06-14 08:30:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:15,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 08:30:15,907 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:15,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:15,908 INFO L82 PathProgramCache]: Analyzing trace with hash 750028592, now seen corresponding path program 1 times [2021-06-14 08:30:15,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:15,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296483456] [2021-06-14 08:30:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:16,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:16,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296483456] [2021-06-14 08:30:16,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296483456] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:16,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:16,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-14 08:30:16,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134084532] [2021-06-14 08:30:16,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 08:30:16,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:16,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 08:30:16,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-14 08:30:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,047 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:16,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-06-14 08:30:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:16,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 08:30:16,103 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash -251066212, now seen corresponding path program 1 times [2021-06-14 08:30:16,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:16,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932314569] [2021-06-14 08:30:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:16,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:16,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932314569] [2021-06-14 08:30:16,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932314569] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:16,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:16,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 08:30:16,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831703978] [2021-06-14 08:30:16,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 08:30:16,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:16,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 08:30:16,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-14 08:30:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:16,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-06-14 08:30:16,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:16,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:16,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 08:30:16,393 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:16,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:16,393 INFO L82 PathProgramCache]: Analyzing trace with hash -591537697, now seen corresponding path program 1 times [2021-06-14 08:30:16,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:16,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851270700] [2021-06-14 08:30:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:16,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:16,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851270700] [2021-06-14 08:30:16,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851270700] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:16,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584514860] [2021-06-14 08:30:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:16,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 08:30:16,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:16,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584514860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:16,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:16,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-14 08:30:16,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853398389] [2021-06-14 08:30:16,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 08:30:16,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:16,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 08:30:16,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-14 08:30:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:16,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 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) [2021-06-14 08:30:16,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:16,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:16,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:16,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:17,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:17,233 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:17,233 INFO L82 PathProgramCache]: Analyzing trace with hash 393606985, now seen corresponding path program 1 times [2021-06-14 08:30:17,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:17,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041538755] [2021-06-14 08:30:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:17,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:17,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041538755] [2021-06-14 08:30:17,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041538755] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:17,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160494703] [2021-06-14 08:30:17,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:17,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 08:30:17,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:17,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160494703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:17,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:17,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 08:30:17,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512540405] [2021-06-14 08:30:17,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 08:30:17,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:17,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 08:30:17,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-06-14 08:30:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:17,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:17,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.75) internal successors, (115), 20 states have internal predecessors, (115), 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) [2021-06-14 08:30:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 08:30:18,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:18,375 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:18,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1695865733, now seen corresponding path program 2 times [2021-06-14 08:30:18,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:18,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203779313] [2021-06-14 08:30:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:18,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:18,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203779313] [2021-06-14 08:30:18,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203779313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:18,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034259959] [2021-06-14 08:30:18,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:18,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 08:30:18,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 08:30:18,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 08:30:18,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:18,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034259959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:18,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:18,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 08:30:18,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864610864] [2021-06-14 08:30:18,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 08:30:18,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:18,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 08:30:18,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-06-14 08:30:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:18,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:18,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.75) internal successors, (115), 20 states have internal predecessors, (115), 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) [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 08:30:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 08:30:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 08:30:19,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:19,401 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:19,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1292939086, now seen corresponding path program 3 times [2021-06-14 08:30:19,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:19,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361661123] [2021-06-14 08:30:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:19,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:19,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361661123] [2021-06-14 08:30:19,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361661123] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:19,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:19,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-14 08:30:19,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810074377] [2021-06-14 08:30:19,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 08:30:19,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:19,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 08:30:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-14 08:30:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:19,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:19,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 08:30:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 08:30:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 08:30:20,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-14 08:30:20,579 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (2/3) [2021-06-14 08:30:20,580 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 08:30:20,616 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:20,617 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:20,617 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:20,617 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:20,617 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:20,617 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:20,617 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:20,617 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:20,662 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:20,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1832281240, now seen corresponding path program 1 times [2021-06-14 08:30:20,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:20,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800169499] [2021-06-14 08:30:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 08:30:20,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:20,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800169499] [2021-06-14 08:30:20,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800169499] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:20,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:20,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 08:30:20,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627647369] [2021-06-14 08:30:20,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 08:30:20,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:20,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 08:30:20,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 08:30:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:20,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:20,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2021-06-14 08:30:20,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:20,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-14 08:30:20,718 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:20,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:20,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1119669315, now seen corresponding path program 1 times [2021-06-14 08:30:20,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:20,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695473379] [2021-06-14 08:30:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:20,730 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:20,754 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:20,780 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-14 08:30:20,781 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-14 08:30:20,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-14 08:30:20,782 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (3/3) [2021-06-14 08:30:20,782 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-14 08:30:20,782 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:20,809 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 08:30:20,809 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:20,813 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:20,813 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:20,813 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:20,813 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:20,813 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:20,814 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:20,814 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:20,814 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-14 08:30:20,935 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/4) [2021-06-14 08:30:20,935 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 08:30:20,952 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:20,953 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:20,953 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:20,953 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:20,953 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:20,953 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:20,953 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:20,953 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:21,041 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:21,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1044788727, now seen corresponding path program 1 times [2021-06-14 08:30:21,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:21,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686634221] [2021-06-14 08:30:21,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-14 08:30:21,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:21,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686634221] [2021-06-14 08:30:21,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686634221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:21,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:21,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 08:30:21,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64870400] [2021-06-14 08:30:21,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 08:30:21,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:21,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 08:30:21,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 08:30:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:21,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:21,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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) [2021-06-14 08:30:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:21,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-14 08:30:21,065 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:21,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:21,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1335440173, now seen corresponding path program 1 times [2021-06-14 08:30:21,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:21,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066113982] [2021-06-14 08:30:21,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:21,087 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:21,105 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:21,120 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-14 08:30:21,121 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-14 08:30:21,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-14 08:30:21,123 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/4) [2021-06-14 08:30:21,123 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-14 08:30:21,123 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:21,157 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 08:30:21,157 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 08:30:21,199 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:21,199 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:21,199 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:21,199 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:21,199 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:21,199 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:21,199 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:21,199 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:21,546 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/5) [2021-06-14 08:30:21,546 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:21,550 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:21,550 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:21,550 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:21,550 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:21,550 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:21,550 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:21,550 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:21,550 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread2of3ForFork0======== [2021-06-14 08:30:21,876 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread2of3ForFork0 was SAFE (2/5) [2021-06-14 08:30:21,876 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:21,889 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:21,889 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:21,889 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:21,889 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:21,889 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:21,890 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:21,890 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:21,890 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of3ForFork0======== [2021-06-14 08:30:22,165 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was SAFE (3/5) [2021-06-14 08:30:22,165 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:22,169 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:22,170 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:22,170 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:22,170 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:22,170 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:22,170 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:22,170 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:22,170 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 08:30:22,278 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:22,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1098233681, now seen corresponding path program 1 times [2021-06-14 08:30:22,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:22,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258831337] [2021-06-14 08:30:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-14 08:30:22,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:22,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258831337] [2021-06-14 08:30:22,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258831337] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:22,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:22,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 08:30:22,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269137307] [2021-06-14 08:30:22,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 08:30:22,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:22,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 08:30:22,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 08:30:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:22,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:22,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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) [2021-06-14 08:30:22,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:22,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-14 08:30:22,304 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-14 08:30:22,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:22,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1043485104, now seen corresponding path program 1 times [2021-06-14 08:30:22,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:22,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396062872] [2021-06-14 08:30:22,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:22,322 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 08:30:22,348 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 08:30:22,364 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-14 08:30:22,365 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-14 08:30:22,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-14 08:30:22,367 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (4/5) [2021-06-14 08:30:22,367 WARN L243 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-14 08:30:22,367 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-14 08:30:22,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,402 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 08:30:22,407 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 08:30:22,408 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:22,466 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:22,466 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:22,466 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:22,466 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:22,466 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:22,466 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:22,466 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:22,466 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-14 08:30:23,751 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/6) [2021-06-14 08:30:23,752 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 08:30:23,771 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:23,771 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:23,771 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:23,771 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:23,771 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:23,771 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:23,771 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:23,771 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread4of4ForFork0======== Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:24,988 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread4of4ForFork0 was SAFE (2/6) [2021-06-14 08:30:24,988 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:24,992 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:24,992 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:24,992 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:24,992 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:24,992 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:24,992 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:24,993 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:24,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread2of4ForFork0======== [2021-06-14 08:30:26,198 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread2of4ForFork0 was SAFE (3/6) [2021-06-14 08:30:26,198 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:26,204 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:26,204 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:26,205 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:26,205 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:26,205 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:26,205 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:26,205 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:26,205 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of4ForFork0======== [2021-06-14 08:30:27,314 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of4ForFork0 was SAFE (4/6) [2021-06-14 08:30:27,323 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 08:30:27,340 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 08:30:27,340 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 08:30:27,340 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 08:30:27,340 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 08:30:27,340 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 08:30:27,340 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 08:30:27,340 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 08:30:27,340 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of4ForFork0======== Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 08:30:27,372 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:27,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:27,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1605188386, now seen corresponding path program 1 times [2021-06-14 08:30:27,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:27,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591483245] [2021-06-14 08:30:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:27,384 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:27,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591483245] [2021-06-14 08:30:27,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591483245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:27,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:27,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 08:30:27,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006194010] [2021-06-14 08:30:27,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 08:30:27,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:27,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 08:30:27,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 08:30:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:27,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-06-14 08:30:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-14 08:30:27,386 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:27,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:27,387 INFO L82 PathProgramCache]: Analyzing trace with hash 230862685, now seen corresponding path program 1 times [2021-06-14 08:30:27,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:27,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175980370] [2021-06-14 08:30:27,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:27,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:27,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175980370] [2021-06-14 08:30:27,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175980370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:27,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:27,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-14 08:30:27,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964058811] [2021-06-14 08:30:27,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 08:30:27,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:27,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 08:30:27,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-14 08:30:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:27,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-06-14 08:30:27,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:27,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-14 08:30:27,457 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:27,457 INFO L82 PathProgramCache]: Analyzing trace with hash 261843900, now seen corresponding path program 1 times [2021-06-14 08:30:27,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:27,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183796950] [2021-06-14 08:30:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:27,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:27,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183796950] [2021-06-14 08:30:27,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183796950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:27,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:27,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 08:30:27,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096167290] [2021-06-14 08:30:27,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 08:30:27,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:27,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 08:30:27,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-14 08:30:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:27,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-06-14 08:30:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:27,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-14 08:30:27,605 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:27,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:27,605 INFO L82 PathProgramCache]: Analyzing trace with hash -198647658, now seen corresponding path program 1 times [2021-06-14 08:30:27,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:27,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81419947] [2021-06-14 08:30:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:27,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:27,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81419947] [2021-06-14 08:30:27,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81419947] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:27,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025017002] [2021-06-14 08:30:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:27,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 08:30:27,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:28,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025017002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:28,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:28,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-14 08:30:28,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081427200] [2021-06-14 08:30:28,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 08:30:28,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:28,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 08:30:28,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-14 08:30:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:28,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 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) [2021-06-14 08:30:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:28,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:28,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:28,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-14 08:30:28,421 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:28,421 INFO L82 PathProgramCache]: Analyzing trace with hash 299107161, now seen corresponding path program 1 times [2021-06-14 08:30:28,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:28,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032554065] [2021-06-14 08:30:28,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:28,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:28,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032554065] [2021-06-14 08:30:28,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032554065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:28,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880543364] [2021-06-14 08:30:28,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:28,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 08:30:28,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:28,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880543364] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:28,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:28,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 08:30:28,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419516934] [2021-06-14 08:30:28,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 08:30:28,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:28,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 08:30:28,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-06-14 08:30:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:28,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 20 states have internal predecessors, (145), 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) [2021-06-14 08:30:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 08:30:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 08:30:29,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:29,508 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:29,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:29,508 INFO L82 PathProgramCache]: Analyzing trace with hash -831284955, now seen corresponding path program 1 times [2021-06-14 08:30:29,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:29,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930464377] [2021-06-14 08:30:29,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 08:30:29,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:29,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930464377] [2021-06-14 08:30:29,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930464377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:29,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178367203] [2021-06-14 08:30:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:29,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 08:30:29,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:30,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178367203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:30,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:30,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-14 08:30:30,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052825495] [2021-06-14 08:30:30,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 08:30:30,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:30,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 08:30:30,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2021-06-14 08:30:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:30,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:30,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 7.863636363636363) internal successors, (173), 22 states have internal predecessors, (173), 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) [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 08:30:30,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:30,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:30,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 08:30:30,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 08:30:31,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-14 08:30:31,064 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:31,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:31,064 INFO L82 PathProgramCache]: Analyzing trace with hash 2007046770, now seen corresponding path program 1 times [2021-06-14 08:30:31,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:31,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534140979] [2021-06-14 08:30:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-14 08:30:31,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:31,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534140979] [2021-06-14 08:30:31,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534140979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:31,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871237631] [2021-06-14 08:30:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:31,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 08:30:31,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:31,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871237631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:31,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:31,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-14 08:30:31,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647481540] [2021-06-14 08:30:31,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-14 08:30:31,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:31,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-14 08:30:31,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-06-14 08:30:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:31,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:31,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 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) [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 08:30:31,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 08:30:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:33,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-14 08:30:33,409 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:33,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1810024589, now seen corresponding path program 1 times [2021-06-14 08:30:33,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:33,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096993781] [2021-06-14 08:30:33,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-06-14 08:30:33,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:33,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096993781] [2021-06-14 08:30:33,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096993781] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 08:30:33,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 08:30:33,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 08:30:33,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167102783] [2021-06-14 08:30:33,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 08:30:33,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:33,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 08:30:33,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 08:30:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:33,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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) [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:33,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:33,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-14 08:30:33,462 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:33,462 INFO L82 PathProgramCache]: Analyzing trace with hash 609067842, now seen corresponding path program 1 times [2021-06-14 08:30:33,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:33,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661927612] [2021-06-14 08:30:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 59 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 08:30:33,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:33,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661927612] [2021-06-14 08:30:33,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661927612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:33,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559979441] [2021-06-14 08:30:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:33,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 08:30:33,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:33,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559979441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:33,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:33,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-14 08:30:33,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204820703] [2021-06-14 08:30:33,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 08:30:33,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:33,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 08:30:33,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-06-14 08:30:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:33,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 7.533333333333333) internal successors, (226), 30 states have internal predecessors, (226), 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) [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:33,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 08:30:38,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:38,448 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:38,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash 823568322, now seen corresponding path program 1 times [2021-06-14 08:30:38,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:38,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840556472] [2021-06-14 08:30:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-14 08:30:38,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:38,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840556472] [2021-06-14 08:30:38,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840556472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:38,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69691865] [2021-06-14 08:30:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:38,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 08:30:38,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:38,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69691865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:38,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:38,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-14 08:30:38,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492641894] [2021-06-14 08:30:38,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 08:30:38,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:38,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 08:30:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-06-14 08:30:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:38,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:38,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 7.366666666666666) internal successors, (221), 30 states have internal predecessors, (221), 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) [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 08:30:38,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:49,008 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:49,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-14 08:30:49,736 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash -16578565, now seen corresponding path program 1 times [2021-06-14 08:30:49,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:49,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397955503] [2021-06-14 08:30:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:49,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:49,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397955503] [2021-06-14 08:30:49,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397955503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:49,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578737850] [2021-06-14 08:30:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:49,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 08:30:49,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:50,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578737850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:50,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:50,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-14 08:30:50,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068200175] [2021-06-14 08:30:50,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 08:30:50,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:50,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 08:30:50,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-06-14 08:30:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:50,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:50,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.892857142857143) internal successors, (193), 28 states have internal predecessors, (193), 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) [2021-06-14 08:30:50,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:50,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 08:30:51,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:51,152 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:51,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:51,152 INFO L82 PathProgramCache]: Analyzing trace with hash 744006002, now seen corresponding path program 1 times [2021-06-14 08:30:51,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:51,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865981321] [2021-06-14 08:30:51,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-14 08:30:51,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:51,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865981321] [2021-06-14 08:30:51,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865981321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:51,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697139314] [2021-06-14 08:30:51,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:51,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 08:30:51,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:51,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697139314] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:51,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:51,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-14 08:30:51,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128941644] [2021-06-14 08:30:51,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 08:30:51,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:51,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 08:30:51,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2021-06-14 08:30:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:51,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:51,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 7.466666666666667) internal successors, (224), 30 states have internal predecessors, (224), 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) [2021-06-14 08:30:51,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:51,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:51,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 08:30:51,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-14 08:30:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-14 08:30:54,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-06-14 08:30:54,413 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:30:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:30:54,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1384017004, now seen corresponding path program 1 times [2021-06-14 08:30:54,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:30:54,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789280713] [2021-06-14 08:30:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:30:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:54,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:30:54,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789280713] [2021-06-14 08:30:54,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789280713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:54,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370685141] [2021-06-14 08:30:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:30:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:30:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 08:30:54,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:30:55,133 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-06-14 08:30:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:30:55,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370685141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:30:55,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:30:55,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-14 08:30:55,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630898291] [2021-06-14 08:30:55,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 08:30:55,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:30:55,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 08:30:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1128, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 08:30:55,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:55,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:30:55,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.694444444444445) internal successors, (241), 36 states have internal predecessors, (241), 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) [2021-06-14 08:30:55,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:30:55,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:30:55,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:30:55,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-14 08:30:55,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-14 08:31:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-06-14 08:31:02,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:02,757 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:31:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:31:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1598517484, now seen corresponding path program 1 times [2021-06-14 08:31:02,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:31:02,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033198960] [2021-06-14 08:31:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:31:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:03,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:31:03,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033198960] [2021-06-14 08:31:03,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033198960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:03,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911589643] [2021-06-14 08:31:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:03,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 08:31:03,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:31:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:03,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911589643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:03,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:31:03,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-14 08:31:03,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928466254] [2021-06-14 08:31:03,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 08:31:03,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:31:03,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 08:31:03,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1128, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 08:31:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:03,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:31:03,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.694444444444445) internal successors, (241), 36 states have internal predecessors, (241), 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) [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:03,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-14 08:31:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-06-14 08:31:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-14 08:31:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-06-14 08:31:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-06-14 08:31:19,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-14 08:31:19,596 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:31:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:31:19,596 INFO L82 PathProgramCache]: Analyzing trace with hash 335806444, now seen corresponding path program 2 times [2021-06-14 08:31:19,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:31:19,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549109782] [2021-06-14 08:31:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:31:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:19,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:31:19,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549109782] [2021-06-14 08:31:19,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549109782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:19,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007675629] [2021-06-14 08:31:19,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:19,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 08:31:19,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 08:31:19,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 08:31:19,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:31:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:20,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007675629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:20,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:31:20,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 32 [2021-06-14 08:31:20,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27833677] [2021-06-14 08:31:20,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-14 08:31:20,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:31:20,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-14 08:31:20,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2021-06-14 08:31:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:20,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:31:20,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 7.53125) internal successors, (241), 32 states have internal predecessors, (241), 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) [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-06-14 08:31:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:28,236 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-14 08:31:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-06-14 08:31:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-06-14 08:31:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-06-14 08:31:29,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-14 08:31:29,335 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:31:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:31:29,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1595376659, now seen corresponding path program 1 times [2021-06-14 08:31:29,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:31:29,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077924853] [2021-06-14 08:31:29,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:31:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:29,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:31:29,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077924853] [2021-06-14 08:31:29,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077924853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:29,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310638284] [2021-06-14 08:31:29,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:29,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 08:31:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:31:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 18 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:30,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310638284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:30,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:31:30,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-06-14 08:31:30,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133582348] [2021-06-14 08:31:30,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-14 08:31:30,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:31:30,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-14 08:31:30,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1277, Unknown=0, NotChecked=0, Total=1406 [2021-06-14 08:31:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:30,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:31:30,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 6.5) internal successors, (247), 38 states have internal predecessors, (247), 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) [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-14 08:31:30,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-06-14 08:31:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-06-14 08:31:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2021-06-14 08:31:30,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:31,914 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-06-14 08:31:34,988 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2021-06-14 08:31:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-14 08:31:37,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:37,976 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:31:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:31:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash 925770029, now seen corresponding path program 2 times [2021-06-14 08:31:37,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:31:37,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384689866] [2021-06-14 08:31:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:31:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 5 proven. 68 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 08:31:38,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:31:38,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384689866] [2021-06-14 08:31:38,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384689866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:38,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510833408] [2021-06-14 08:31:38,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:38,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 08:31:38,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 08:31:38,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 08:31:38,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:31:38,471 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-06-14 08:31:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:38,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510833408] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:38,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:31:38,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 37 [2021-06-14 08:31:38,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777839673] [2021-06-14 08:31:38,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 08:31:38,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:31:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 08:31:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1196, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 08:31:38,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:38,741 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:31:38,741 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 6.594594594594595) internal successors, (244), 37 states have internal predecessors, (244), 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) [2021-06-14 08:31:38,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:38,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:38,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:38,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-14 08:31:38,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:42,210 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-06-14 08:31:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-14 08:31:42,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:42,783 INFO L430 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:31:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:31:42,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1707488585, now seen corresponding path program 3 times [2021-06-14 08:31:42,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:31:42,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969891850] [2021-06-14 08:31:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:31:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:31:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:31:42,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:31:42,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969891850] [2021-06-14 08:31:42,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969891850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:42,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054889587] [2021-06-14 08:31:42,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:31:43,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 08:31:43,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 08:31:43,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 08:31:43,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:31:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-14 08:31:43,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054889587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:31:43,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:31:43,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 32 [2021-06-14 08:31:43,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540433851] [2021-06-14 08:31:43,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-14 08:31:43,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:31:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-14 08:31:43,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2021-06-14 08:31:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:43,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:31:43,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 7.3125) internal successors, (234), 32 states have internal predecessors, (234), 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) [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-06-14 08:31:43,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:31:59,479 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-06-14 08:32:20,301 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-06-14 08:32:23,218 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-06-14 08:32:40,427 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-06-14 08:32:46,856 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-06-14 08:33:00,838 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2021-06-14 08:33:07,933 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2021-06-14 08:33:09,732 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-06-14 08:33:45,985 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-14 08:33:50,205 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-14 08:33:52,311 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-06-14 08:33:53,176 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-14 08:34:06,972 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-06-14 08:34:33,364 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2021-06-14 08:34:34,657 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-06-14 08:35:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 855 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 523 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2021-06-14 08:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 707 states. [2021-06-14 08:35:06,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-14 08:35:06,129 INFO L430 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:35:06,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:35:06,129 INFO L82 PathProgramCache]: Analyzing trace with hash 660141429, now seen corresponding path program 1 times [2021-06-14 08:35:06,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:35:06,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982532708] [2021-06-14 08:35:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:35:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:35:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:35:06,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:35:06,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982532708] [2021-06-14 08:35:06,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982532708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:35:06,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266278257] [2021-06-14 08:35:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:35:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:35:06,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 08:35:06,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:35:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:35:07,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266278257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:35:07,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:35:07,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-14 08:35:07,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982051881] [2021-06-14 08:35:07,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 08:35:07,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:35:07,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 08:35:07,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-06-14 08:35:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:07,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:35:07,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.892857142857143) internal successors, (193), 28 states have internal predecessors, (193), 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) [2021-06-14 08:35:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:35:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 855 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 523 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 707 states. [2021-06-14 08:35:07,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:11,320 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2021-06-14 08:35:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:35:13,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 869 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 539 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 727 states. [2021-06-14 08:35:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-14 08:35:13,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-14 08:35:13,729 INFO L430 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 08:35:13,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 08:35:13,729 INFO L82 PathProgramCache]: Analyzing trace with hash 927686975, now seen corresponding path program 1 times [2021-06-14 08:35:13,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 08:35:13,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329015712] [2021-06-14 08:35:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 08:35:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:35:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 58 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-14 08:35:13,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 08:35:13,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329015712] [2021-06-14 08:35:13,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329015712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:35:13,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972452753] [2021-06-14 08:35:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 08:35:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 08:35:14,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 08:35:14,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 08:35:14,394 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-06-14 08:35:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 08:35:14,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972452753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 08:35:14,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 08:35:14,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-14 08:35:14,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742835671] [2021-06-14 08:35:14,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-14 08:35:14,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 08:35:14,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-14 08:35:14,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=867, Unknown=0, NotChecked=0, Total=992 [2021-06-14 08:35:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:14,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 08:35:14,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 6.96875) internal successors, (223), 32 states have internal predecessors, (223), 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) [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-06-14 08:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 869 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 539 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 727 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-14 08:35:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 08:35:15,690 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2021-06-14 08:35:21,827 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2021-06-14 08:35:29,826 WARN L205 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 22 DAG size of output: 16