/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 01:21:21,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 01:21:21,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 01:21:21,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 01:21:21,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 01:21:21,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 01:21:21,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 01:21:21,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 01:21:21,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 01:21:21,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 01:21:21,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 01:21:21,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 01:21:21,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 01:21:21,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 01:21:21,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 01:21:21,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 01:21:21,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 01:21:21,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 01:21:21,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 01:21:21,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 01:21:21,171 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-DelaySleep-NoLbe.epf [2021-06-06 01:21:21,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 01:21:21,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 01:21:21,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 01:21:21,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 01:21:21,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 01:21:21,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 01:21:21,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 01:21:21,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 01:21:21,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 01:21:21,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 01:21:21,188 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 01:21:21,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 01:21:21,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 01:21:21,189 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 01:21:21,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 01:21:21,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 01:21:21,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 01:21:21,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 01:21:21,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 01:21:21,413 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 01:21:21,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-06 01:21:21,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7b73ce9/6fc9396d030c4269b217b2b6cadb1b65/FLAGe591267ed [2021-06-06 01:21:21,883 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 01:21:21,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-06 01:21:21,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7b73ce9/6fc9396d030c4269b217b2b6cadb1b65/FLAGe591267ed [2021-06-06 01:21:21,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7b73ce9/6fc9396d030c4269b217b2b6cadb1b65 [2021-06-06 01:21:21,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 01:21:21,907 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 01:21:21,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 01:21:21,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 01:21:21,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 01:21:21,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:21:21" (1/1) ... [2021-06-06 01:21:21,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed789ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:21, skipping insertion in model container [2021-06-06 01:21:21,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:21:21" (1/1) ... [2021-06-06 01:21:21,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 01:21:21,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 01:21:22,098 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 01:21:22,212 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-atomic/dekker.i[31403,31416] [2021-06-06 01:21:22,218 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-atomic/dekker.i[32483,32496] [2021-06-06 01:21:22,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:21:22,228 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 01:21:22,245 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 01:21:22,258 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-atomic/dekker.i[31403,31416] [2021-06-06 01:21:22,260 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-atomic/dekker.i[32483,32496] [2021-06-06 01:21:22,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:21:22,322 INFO L208 MainTranslator]: Completed translation [2021-06-06 01:21:22,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22 WrapperNode [2021-06-06 01:21:22,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 01:21:22,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 01:21:22,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 01:21:22,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 01:21:22,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 01:21:22,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 01:21:22,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 01:21:22,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 01:21:22,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (1/1) ... [2021-06-06 01:21:22,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 01:21:22,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 01:21:22,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 01:21:22,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 01:21:22,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (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 [2021-06-06 01:21:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 01:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-06 01:21:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-06 01:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-06 01:21:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-06 01:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 01:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 01:21:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 01:21:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 01:21:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 01:21:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 01:21:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 01:21:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 01:21:22,459 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 01:21:22,803 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 01:21:22,804 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-06 01:21:22,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:21:22 BoogieIcfgContainer [2021-06-06 01:21:22,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 01:21:22,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 01:21:22,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 01:21:22,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 01:21:22,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:21:21" (1/3) ... [2021-06-06 01:21:22,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea5b745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:21:22, skipping insertion in model container [2021-06-06 01:21:22,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:21:22" (2/3) ... [2021-06-06 01:21:22,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea5b745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:21:22, skipping insertion in model container [2021-06-06 01:21:22,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:21:22" (3/3) ... [2021-06-06 01:21:22,812 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-06-06 01:21:22,816 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 01:21:22,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 01:21:22,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 01:21:22,817 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 01:21:22,847 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,853 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,856 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,856 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:21:22,879 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 01:21:22,895 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 [2021-06-06 01:21:22,946 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:22,946 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:22,947 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:22,947 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:22,947 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:22,947 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:22,947 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:22,947 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-06 01:21:23,232 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-06 01:21:23,234 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 [2021-06-06 01:21:23,248 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:23,248 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:23,248 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:23,248 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:23,248 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:23,248 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:23,248 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:23,248 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-06 01:21:23,388 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-06 01:21:23,388 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 01:21:23,408 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:23,408 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:23,408 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:23,408 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:23,408 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:23,408 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:23,408 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:23,409 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-06 01:21:23,412 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1812413817, now seen corresponding path program 1 times [2021-06-06 01:21:23,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:23,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9960011] [2021-06-06 01:21:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:23,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:23,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9960011] [2021-06-06 01:21:23,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9960011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:23,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:23,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 01:21:23,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242410197] [2021-06-06 01:21:23,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 01:21:23,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:23,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 01:21:23,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 01:21:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:23,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2021-06-06 01:21:23,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 01:21:23,601 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:23,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1812384026, now seen corresponding path program 1 times [2021-06-06 01:21:23,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:23,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236311700] [2021-06-06 01:21:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:23,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:23,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236311700] [2021-06-06 01:21:23,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236311700] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:23,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:23,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:23,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705354062] [2021-06-06 01:21:23,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:23,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:23,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:23,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:23,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:23,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-06-06 01:21:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:23,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 01:21:23,764 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:23,764 INFO L82 PathProgramCache]: Analyzing trace with hash 37207588, now seen corresponding path program 1 times [2021-06-06 01:21:23,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:23,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626154569] [2021-06-06 01:21:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:23,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:23,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626154569] [2021-06-06 01:21:23,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626154569] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:23,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:23,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:23,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564639207] [2021-06-06 01:21:23,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:23,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:23,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:23,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:23,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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) [2021-06-06 01:21:23,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:23,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:23,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:23,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 01:21:23,968 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:23,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1101608066, now seen corresponding path program 1 times [2021-06-06 01:21:23,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:23,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980610428] [2021-06-06 01:21:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980610428] [2021-06-06 01:21:24,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980610428] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:24,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538000544] [2021-06-06 01:21:24,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:24,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:24,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-06-06 01:21:24,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,122 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 01:21:24,122 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,122 INFO L82 PathProgramCache]: Analyzing trace with hash 312380156, now seen corresponding path program 1 times [2021-06-06 01:21:24,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075971151] [2021-06-06 01:21:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 01:21:24,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075971151] [2021-06-06 01:21:24,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075971151] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 01:21:24,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174258355] [2021-06-06 01:21:24,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 01:21:24,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 01:21:24,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 01:21:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2021-06-06 01:21:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:24,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 01:21:24,285 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1220258574, now seen corresponding path program 2 times [2021-06-06 01:21:24,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987228801] [2021-06-06 01:21:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987228801] [2021-06-06 01:21:24,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987228801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:24,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030283219] [2021-06-06 01:21:24,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:24,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:24,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:24,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 01:21:24,503 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2109903068, now seen corresponding path program 2 times [2021-06-06 01:21:24,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397628762] [2021-06-06 01:21:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397628762] [2021-06-06 01:21:24,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397628762] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:24,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619048681] [2021-06-06 01:21:24,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:24,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:24,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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) [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:24,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 01:21:24,742 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-06 01:21:24,743 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:24,747 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:24,747 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:24,747 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:24,747 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:24,747 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:24,747 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:24,747 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:24,747 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 01:21:24,831 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-06 01:21:24,831 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:21:24,835 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:21:24,835 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:21:24,835 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:21:24,835 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:21:24,835 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:21:24,835 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:21:24,835 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:21:24,835 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== [2021-06-06 01:21:24,837 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,837 INFO L82 PathProgramCache]: Analyzing trace with hash -813200132, now seen corresponding path program 1 times [2021-06-06 01:21:24,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502401707] [2021-06-06 01:21:24,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502401707] [2021-06-06 01:21:24,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502401707] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 01:21:24,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645954588] [2021-06-06 01:21:24,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 01:21:24,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 01:21:24,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 01:21:24,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 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) [2021-06-06 01:21:24,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 01:21:24,850 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,851 INFO L82 PathProgramCache]: Analyzing trace with hash 694381468, now seen corresponding path program 1 times [2021-06-06 01:21:24,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136862691] [2021-06-06 01:21:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136862691] [2021-06-06 01:21:24,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136862691] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:24,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110480728] [2021-06-06 01:21:24,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:24,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:24,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:24,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 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) [2021-06-06 01:21:24,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 01:21:24,871 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,871 INFO L82 PathProgramCache]: Analyzing trace with hash 239850906, now seen corresponding path program 1 times [2021-06-06 01:21:24,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355848707] [2021-06-06 01:21:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355848707] [2021-06-06 01:21:24,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355848707] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:21:24,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606926698] [2021-06-06 01:21:24,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:21:24,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:21:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:21:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-06-06 01:21:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-06 01:21:24,965 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:24,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1674244764, now seen corresponding path program 1 times [2021-06-06 01:21:24,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:24,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811544892] [2021-06-06 01:21:24,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:24,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:24,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811544892] [2021-06-06 01:21:24,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811544892] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:24,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:24,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:24,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48475897] [2021-06-06 01:21:24,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:24,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:24,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:24,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:24,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:24,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 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) [2021-06-06 01:21:24,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:24,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:24,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,026 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 01:21:25,027 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:25,027 INFO L82 PathProgramCache]: Analyzing trace with hash 726216818, now seen corresponding path program 1 times [2021-06-06 01:21:25,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:25,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033855283] [2021-06-06 01:21:25,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:25,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:25,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033855283] [2021-06-06 01:21:25,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033855283] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:25,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:25,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:25,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289586216] [2021-06-06 01:21:25,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:25,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:25,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:25,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:25,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-06 01:21:25,136 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:25,136 INFO L82 PathProgramCache]: Analyzing trace with hash -473343470, now seen corresponding path program 1 times [2021-06-06 01:21:25,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:25,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038324700] [2021-06-06 01:21:25,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 01:21:25,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:25,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038324700] [2021-06-06 01:21:25,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038324700] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:25,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:25,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 01:21:25,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437114773] [2021-06-06 01:21:25,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 01:21:25,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:25,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 01:21:25,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 01:21:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:25,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:25,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-06 01:21:25,251 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:25,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1670162780, now seen corresponding path program 2 times [2021-06-06 01:21:25,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:25,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648399739] [2021-06-06 01:21:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:25,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:25,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648399739] [2021-06-06 01:21:25,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648399739] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:25,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:25,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:25,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737047304] [2021-06-06 01:21:25,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:25,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:25,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:25,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:25,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:21:25,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:25,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-06 01:21:25,403 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:21:25,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:21:25,404 INFO L82 PathProgramCache]: Analyzing trace with hash 337516486, now seen corresponding path program 2 times [2021-06-06 01:21:25,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:21:25,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443823452] [2021-06-06 01:21:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:21:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:21:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:21:25,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:21:25,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443823452] [2021-06-06 01:21:25,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443823452] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:21:25,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:21:25,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 01:21:25,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864404198] [2021-06-06 01:21:25,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 01:21:25,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:21:25,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 01:21:25,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 01:21:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:21:25,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 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) [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 01:21:25,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-06 01:21:25,581 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-06 01:21:25,581 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 01:21:25,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:21:25 BasicIcfg [2021-06-06 01:21:25,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 01:21:25,584 INFO L168 Benchmark]: Toolchain (without parser) took 3676.45 ms. Allocated memory was 371.2 MB in the beginning and 455.1 MB in the end (delta: 83.9 MB). Free memory was 334.1 MB in the beginning and 338.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 268.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,584 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory is still 352.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 01:21:25,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.43 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 332.9 MB in the end (delta: 912.1 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 331.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,585 INFO L168 Benchmark]: Boogie Preprocessor took 29.48 ms. Allocated memory is still 371.2 MB. Free memory was 331.9 MB in the beginning and 329.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,585 INFO L168 Benchmark]: RCFGBuilder took 409.72 ms. Allocated memory is still 371.2 MB. Free memory was 329.8 MB in the beginning and 303.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,585 INFO L168 Benchmark]: TraceAbstraction took 2775.76 ms. Allocated memory was 371.2 MB in the beginning and 455.1 MB in the end (delta: 83.9 MB). Free memory was 302.5 MB in the beginning and 338.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 233.9 MB. Max. memory is 16.0 GB. [2021-06-06 01:21:25,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory is still 352.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 414.43 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 332.9 MB in the end (delta: 912.1 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 331.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.48 ms. Allocated memory is still 371.2 MB. Free memory was 331.9 MB in the beginning and 329.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 409.72 ms. Allocated memory is still 371.2 MB. Free memory was 329.8 MB in the beginning and 303.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2775.76 ms. Allocated memory was 371.2 MB in the beginning and 455.1 MB in the end (delta: 83.9 MB). Free memory was 302.5 MB in the beginning and 338.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 233.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7648, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 1596, negative conditional: 1596, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 0, positive unconditional: 6052, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1221, positive: 1195, positive conditional: 0, positive unconditional: 1195, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1221, positive: 1192, positive conditional: 0, positive unconditional: 1192, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6153, positive: 4857, positive conditional: 0, positive unconditional: 4857, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 1221, unknown conditional: 0, unknown unconditional: 1221] , Statistics on independence cache: Total cache size (in pairs): 1221, Positive cache size: 1195, Positive conditional cache size: 0, Positive unconditional cache size: 1195, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1495 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7648, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 1596, negative conditional: 1596, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 0, positive unconditional: 6052, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1221, positive: 1195, positive conditional: 0, positive unconditional: 1195, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1221, positive: 1192, positive conditional: 0, positive unconditional: 1192, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6153, positive: 4857, positive conditional: 0, positive unconditional: 4857, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 1221, unknown conditional: 0, unknown unconditional: 1221] , Statistics on independence cache: Total cache size (in pairs): 1221, Positive cache size: 1195, Positive conditional cache size: 0, Positive unconditional cache size: 1195, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1495 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28202, positive: 23598, positive conditional: 23598, positive unconditional: 0, negative: 4604, negative conditional: 4604, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 23927, positive: 23598, positive conditional: 23598, positive unconditional: 0, negative: 329, negative conditional: 329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 23927, positive: 23598, positive conditional: 0, positive unconditional: 23598, negative: 329, negative conditional: 0, negative unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1159, positive: 1134, positive conditional: 0, positive unconditional: 1134, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1159, positive: 1129, positive conditional: 0, positive unconditional: 1129, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23927, positive: 22464, positive conditional: 0, positive unconditional: 22464, negative: 304, negative conditional: 0, negative unconditional: 304, unknown: 1159, unknown conditional: 0, unknown unconditional: 1159] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469, SemanticConditionEliminator.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1784, negative conditional: 315, negative unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 55, negative conditional: 30, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 80, negative conditional: 34, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1754, negative conditional: 285, negative unconditional: 1469, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1134, Positive conditional cache size: 0, Positive unconditional cache size: 1134, Negative cache size: 55, Negative conditional cache size: 30, Negative unconditional cache size: 25, Eliminated conditions: 1469 ], Maximal queried relation: 7, Independence queries for same thread: 4275 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7648, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 1596, negative conditional: 1596, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 6052, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6153, positive: 6052, positive conditional: 0, positive unconditional: 6052, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1221, positive: 1195, positive conditional: 0, positive unconditional: 1195, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1221, positive: 1192, positive conditional: 0, positive unconditional: 1192, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6153, positive: 4857, positive conditional: 0, positive unconditional: 4857, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 1221, unknown conditional: 0, unknown unconditional: 1221] , Statistics on independence cache: Total cache size (in pairs): 1221, Positive cache size: 1195, Positive conditional cache size: 0, Positive unconditional cache size: 1195, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 ], Maximal queried relation: 0, Independence queries for same thread: 1495 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27154, positive: 22787, positive conditional: 22787, positive unconditional: 0, negative: 4367, negative conditional: 4367, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 23113, positive: 22787, positive conditional: 22787, positive unconditional: 0, negative: 326, negative conditional: 326, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 23113, positive: 22787, positive conditional: 0, positive unconditional: 22787, negative: 326, negative conditional: 0, negative unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1110, positive: 1086, positive conditional: 0, positive unconditional: 1086, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1110, positive: 1082, positive conditional: 0, positive unconditional: 1082, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23113, positive: 21701, positive conditional: 0, positive unconditional: 21701, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 1110, unknown conditional: 0, unknown unconditional: 1110] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761, SemanticConditionEliminator.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2080, negative conditional: 319, negative unconditional: 1761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 54, negative conditional: 30, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 78, negative conditional: 20, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2080, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2050, negative conditional: 289, negative unconditional: 1761, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1086, Positive conditional cache size: 0, Positive unconditional cache size: 1086, Negative cache size: 54, Negative conditional cache size: 30, Negative unconditional cache size: 24, Eliminated conditions: 1761 ], Maximal queried relation: 8, Independence queries for same thread: 4041 - PositiveResult [Line: 780]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 319.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 267.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 149.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 136.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1347.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 794.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.1ms SsaConstructionTime, 102.8ms SatisfiabilityAnalysisTime, 258.3ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 87.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 81.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 749.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 553.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.2ms SsaConstructionTime, 19.2ms SatisfiabilityAnalysisTime, 133.8ms InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 541 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...