/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 18:25:15,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 18:25:15,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 18:25:15,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 18:25:15,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 18:25:15,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 18:25:15,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 18:25:15,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 18:25:15,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 18:25:15,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 18:25:15,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 18:25:15,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 18:25:15,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 18:25:15,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 18:25:15,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 18:25:15,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 18:25:15,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 18:25:15,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 18:25:15,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 18:25:15,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 18:25:15,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 18:25:15,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 18:25:15,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 18:25:15,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 18:25:15,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 18:25:15,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 18:25:15,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 18:25:15,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 18:25:15,321 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 18:25:15,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 18:25:15,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 18:25:15,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 18:25:15,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 18:25:15,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 18:25:15,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 18:25:15,350 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 18:25:15,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 18:25:15,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 18:25:15,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 18:25:15,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 18:25:15,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 18:25:15,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 18:25:15,364 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 18:25:15,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 18:25:15,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 18:25:15,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 18:25:15,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 18:25:15,365 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 18:25:15,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 18:25:15,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 18:25:15,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 18:25:15,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 18:25:15,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 18:25:15,588 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 18:25:15,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-2.i [2021-06-13 18:25:15,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac566330/781ebb00eb4b40c3a1f33f32139f1b83/FLAG2e3fe4837 [2021-06-13 18:25:16,055 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 18:25:16,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-2.i [2021-06-13 18:25:16,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac566330/781ebb00eb4b40c3a1f33f32139f1b83/FLAG2e3fe4837 [2021-06-13 18:25:16,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ac566330/781ebb00eb4b40c3a1f33f32139f1b83 [2021-06-13 18:25:16,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 18:25:16,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 18:25:16,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 18:25:16,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 18:25:16,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 18:25:16,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e8fdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16, skipping insertion in model container [2021-06-13 18:25:16,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 18:25:16,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 18:25:16,708 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/fib_bench_longer-2.i[30929,30942] [2021-06-13 18:25:16,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 18:25:16,748 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 18:25:16,784 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/fib_bench_longer-2.i[30929,30942] [2021-06-13 18:25:16,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 18:25:16,829 INFO L208 MainTranslator]: Completed translation [2021-06-13 18:25:16,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16 WrapperNode [2021-06-13 18:25:16,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 18:25:16,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 18:25:16,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 18:25:16,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 18:25:16,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 18:25:16,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 18:25:16,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 18:25:16,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 18:25:16,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (1/1) ... [2021-06-13 18:25:16,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 18:25:16,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 18:25:16,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 18:25:16,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 18:25:16,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (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 [2021-06-13 18:25:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-13 18:25:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-13 18:25:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 18:25:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 18:25:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 18:25:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 18:25:16,960 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 18:25:17,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 18:25:17,191 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-13 18:25:17,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:25:17 BoogieIcfgContainer [2021-06-13 18:25:17,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 18:25:17,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 18:25:17,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 18:25:17,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 18:25:17,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 06:25:16" (1/3) ... [2021-06-13 18:25:17,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167595ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 06:25:17, skipping insertion in model container [2021-06-13 18:25:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:25:16" (2/3) ... [2021-06-13 18:25:17,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167595ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 06:25:17, skipping insertion in model container [2021-06-13 18:25:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:25:17" (3/3) ... [2021-06-13 18:25:17,197 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-2.i [2021-06-13 18:25:17,201 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 18:25:17,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 18:25:17,201 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 18:25:17,201 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 18:25:17,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,217 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,224 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,230 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,240 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,240 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,241 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 18:25:17,243 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 18:25:17,257 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-13 18:25:17,306 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 18:25:17,306 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 18:25:17,306 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 18:25:17,306 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 18:25:17,306 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 18:25:17,306 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 18:25:17,306 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 18:25:17,306 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 18:25:17,336 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:17,340 INFO L82 PathProgramCache]: Analyzing trace with hash 666021502, now seen corresponding path program 1 times [2021-06-13 18:25:17,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:17,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332202604] [2021-06-13 18:25:17,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:17,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:17,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332202604] [2021-06-13 18:25:17,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332202604] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 18:25:17,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 18:25:17,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 18:25:17,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883137185] [2021-06-13 18:25:17,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 18:25:17,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:17,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 18:25:17,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 18:25:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:17,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 18:25:17,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 18:25:17,497 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:17,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:17,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2020254720, now seen corresponding path program 1 times [2021-06-13 18:25:17,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:17,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102477229] [2021-06-13 18:25:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:17,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:17,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102477229] [2021-06-13 18:25:17,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102477229] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 18:25:17,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 18:25:17,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 18:25:17,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572174854] [2021-06-13 18:25:17,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 18:25:17,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:17,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 18:25:17,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 18:25:17,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:17,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 18:25:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:17,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 18:25:17,567 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:17,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:17,567 INFO L82 PathProgramCache]: Analyzing trace with hash -796992743, now seen corresponding path program 1 times [2021-06-13 18:25:17,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:17,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754328479] [2021-06-13 18:25:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:17,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:17,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754328479] [2021-06-13 18:25:17,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754328479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:17,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79233771] [2021-06-13 18:25:17,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:17,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-13 18:25:17,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 18:25:17,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79233771] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 18:25:17,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 18:25:17,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-06-13 18:25:17,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488299796] [2021-06-13 18:25:17,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 18:25:17,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:17,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 18:25:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-13 18:25:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:17,923 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-06-13 18:25:17,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:17,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:18,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:18,177 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:18,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:18,178 INFO L82 PathProgramCache]: Analyzing trace with hash -768362631, now seen corresponding path program 1 times [2021-06-13 18:25:18,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:18,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565592776] [2021-06-13 18:25:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:18,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:18,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565592776] [2021-06-13 18:25:18,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565592776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:18,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558611041] [2021-06-13 18:25:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:18,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-13 18:25:18,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:18,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558611041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:18,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:18,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-13 18:25:18,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982057001] [2021-06-13 18:25:18,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 18:25:18,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:18,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 18:25:18,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-13 18:25:18,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:18,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:18,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-13 18:25:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:18,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:18,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:18,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:18,670 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:18,671 INFO L82 PathProgramCache]: Analyzing trace with hash -77342664, now seen corresponding path program 1 times [2021-06-13 18:25:18,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:18,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430652343] [2021-06-13 18:25:18,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:18,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:18,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430652343] [2021-06-13 18:25:18,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430652343] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:18,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058542715] [2021-06-13 18:25:18,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-13 18:25:18,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:19,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058542715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:19,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:19,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-06-13 18:25:19,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952582043] [2021-06-13 18:25:19,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 18:25:19,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:19,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 18:25:19,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-13 18:25:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:19,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-06-13 18:25:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:19,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:19,505 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:19,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:19,505 INFO L82 PathProgramCache]: Analyzing trace with hash 957151695, now seen corresponding path program 1 times [2021-06-13 18:25:19,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:19,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043735443] [2021-06-13 18:25:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:19,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:19,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043735443] [2021-06-13 18:25:19,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043735443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:19,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525447359] [2021-06-13 18:25:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 18:25:19,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:19,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525447359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:19,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:19,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-13 18:25:19,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264505157] [2021-06-13 18:25:19,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 18:25:19,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 18:25:19,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-06-13 18:25:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:19,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 15 states have internal predecessors, (89), 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) [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 18:25:20,231 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:20,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:20,232 INFO L82 PathProgramCache]: Analyzing trace with hash -177659087, now seen corresponding path program 1 times [2021-06-13 18:25:20,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:20,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445924160] [2021-06-13 18:25:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:20,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:20,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445924160] [2021-06-13 18:25:20,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445924160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:20,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405458281] [2021-06-13 18:25:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:20,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-13 18:25:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:20,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405458281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:20,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:20,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-13 18:25:20,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343351209] [2021-06-13 18:25:20,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 18:25:20,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:20,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 18:25:20,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-13 18:25:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:20,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:20,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:20,813 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:20,813 INFO L82 PathProgramCache]: Analyzing trace with hash 365342771, now seen corresponding path program 1 times [2021-06-13 18:25:20,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:20,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016807103] [2021-06-13 18:25:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:20,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:20,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016807103] [2021-06-13 18:25:20,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016807103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:20,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494295585] [2021-06-13 18:25:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:20,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-13 18:25:20,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:21,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494295585] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:21,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:21,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-13 18:25:21,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961835050] [2021-06-13 18:25:21,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-13 18:25:21,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:21,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-13 18:25:21,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-06-13 18:25:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:21,251 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:21,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 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) [2021-06-13 18:25:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:21,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:21,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:21,881 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:21,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:21,881 INFO L82 PathProgramCache]: Analyzing trace with hash -68395699, now seen corresponding path program 2 times [2021-06-13 18:25:21,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:21,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397290450] [2021-06-13 18:25:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:21,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:21,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397290450] [2021-06-13 18:25:21,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397290450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:21,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761423276] [2021-06-13 18:25:21,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:22,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 18:25:22,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:22,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-13 18:25:22,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:22,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761423276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:22,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:22,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-13 18:25:22,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82189210] [2021-06-13 18:25:22,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 18:25:22,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:22,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 18:25:22,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-13 18:25:22,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:22,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:22,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 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) [2021-06-13 18:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:22,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:22,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-13 18:25:22,613 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:22,613 INFO L82 PathProgramCache]: Analyzing trace with hash -542459497, now seen corresponding path program 2 times [2021-06-13 18:25:22,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:22,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657637636] [2021-06-13 18:25:22,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:22,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:22,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657637636] [2021-06-13 18:25:22,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657637636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:22,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311082196] [2021-06-13 18:25:22,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:22,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 18:25:22,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:22,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-13 18:25:22,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:23,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311082196] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:23,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:23,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-13 18:25:23,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233425648] [2021-06-13 18:25:23,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-13 18:25:23,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:23,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-13 18:25:23,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-06-13 18:25:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:23,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:23,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 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) [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:23,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:24,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-13 18:25:24,277 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash 338863209, now seen corresponding path program 3 times [2021-06-13 18:25:24,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:24,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883086042] [2021-06-13 18:25:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 11 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:24,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:24,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883086042] [2021-06-13 18:25:24,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883086042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:24,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870743382] [2021-06-13 18:25:24,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:24,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 18:25:24,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:24,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 18:25:24,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 11 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:24,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870743382] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:24,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:24,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-13 18:25:24,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634449129] [2021-06-13 18:25:24,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 18:25:24,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:24,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 18:25:24,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-13 18:25:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:24,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:24,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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) [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:24,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:25,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:25,247 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:25,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:25,248 INFO L82 PathProgramCache]: Analyzing trace with hash -802335237, now seen corresponding path program 3 times [2021-06-13 18:25:25,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:25,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766583977] [2021-06-13 18:25:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:25,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:25,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766583977] [2021-06-13 18:25:25,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766583977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:25,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577642108] [2021-06-13 18:25:25,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:25,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 18:25:25,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:25,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 18:25:25,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:25,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577642108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:25,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:25,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-06-13 18:25:25,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392186072] [2021-06-13 18:25:25,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-13 18:25:25,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:25,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-13 18:25:25,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2021-06-13 18:25:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:25,859 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:25,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 5.6923076923076925) internal successors, (148), 26 states have internal predecessors, (148), 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) [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:25,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:25,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:25,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:27,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-13 18:25:27,545 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:27,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:27,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1013991291, now seen corresponding path program 4 times [2021-06-13 18:25:27,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:27,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017693106] [2021-06-13 18:25:27,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 15 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:27,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:27,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017693106] [2021-06-13 18:25:27,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017693106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:27,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718252086] [2021-06-13 18:25:27,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:27,691 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 18:25:27,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:27,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-13 18:25:27,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 15 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:27,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718252086] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:27,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:27,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-06-13 18:25:27,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285779269] [2021-06-13 18:25:27,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 18:25:27,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:27,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 18:25:27,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-13 18:25:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:27,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:27,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 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) [2021-06-13 18:25:27,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:27,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:27,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:27,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:27,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:29,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:29,052 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:29,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:29,052 INFO L82 PathProgramCache]: Analyzing trace with hash 208848223, now seen corresponding path program 4 times [2021-06-13 18:25:29,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:29,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100762045] [2021-06-13 18:25:29,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:29,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:29,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100762045] [2021-06-13 18:25:29,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100762045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:29,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020566000] [2021-06-13 18:25:29,213 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:29,274 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 18:25:29,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:29,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 18:25:29,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:29,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020566000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:29,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:29,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 18:25:29,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583338764] [2021-06-13 18:25:29,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 18:25:29,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 18:25:29,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2021-06-13 18:25:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:29,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:29,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.6) internal successors, (168), 30 states have internal predecessors, (168), 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) [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:29,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:32,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-13 18:25:32,297 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:32,297 INFO L82 PathProgramCache]: Analyzing trace with hash -911779423, now seen corresponding path program 5 times [2021-06-13 18:25:32,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:32,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843006941] [2021-06-13 18:25:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:32,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:32,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843006941] [2021-06-13 18:25:32,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843006941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:32,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736583085] [2021-06-13 18:25:32,467 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:32,537 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-13 18:25:32,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:32,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:25:32,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:33,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736583085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:33,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:33,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-13 18:25:33,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349094693] [2021-06-13 18:25:33,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 18:25:33,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:33,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 18:25:33,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2021-06-13 18:25:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:33,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:33,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.84375) internal successors, (187), 32 states have internal predecessors, (187), 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) [2021-06-13 18:25:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 18:25:36,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:36,421 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:36,422 INFO L82 PathProgramCache]: Analyzing trace with hash 322360130, now seen corresponding path program 6 times [2021-06-13 18:25:36,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:36,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761193338] [2021-06-13 18:25:36,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 18:25:36,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:36,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761193338] [2021-06-13 18:25:36,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761193338] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:36,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31048596] [2021-06-13 18:25:36,507 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:36,573 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 18:25:36,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:36,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-13 18:25:36,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 18:25:36,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31048596] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 18:25:36,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 18:25:36,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-06-13 18:25:36,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252810959] [2021-06-13 18:25:36,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 18:25:36,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:36,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 18:25:36,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-06-13 18:25:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:36,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:36,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.866666666666666) internal successors, (103), 15 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:36,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:36,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:36,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 18:25:36,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 18:25:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:40,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-13 18:25:40,077 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:40,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:40,078 INFO L82 PathProgramCache]: Analyzing trace with hash -917551165, now seen corresponding path program 5 times [2021-06-13 18:25:40,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:40,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262185960] [2021-06-13 18:25:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 143 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:40,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:40,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262185960] [2021-06-13 18:25:40,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262185960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:40,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089312555] [2021-06-13 18:25:40,175 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:40,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-13 18:25:40,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:40,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-13 18:25:40,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:40,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089312555] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 18:25:40,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 18:25:40,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-06-13 18:25:40,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405848807] [2021-06-13 18:25:40,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 18:25:40,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:40,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 18:25:40,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-06-13 18:25:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:40,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:40,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 states have internal predecessors, (100), 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) [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:40,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-13 18:25:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:43,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:43,653 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 24169880, now seen corresponding path program 1 times [2021-06-13 18:25:43,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:43,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088200432] [2021-06-13 18:25:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:43,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:43,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088200432] [2021-06-13 18:25:43,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088200432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:43,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001813703] [2021-06-13 18:25:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:43,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:25:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:44,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001813703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:44,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:44,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-13 18:25:44,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094018332] [2021-06-13 18:25:44,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 18:25:44,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:44,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 18:25:44,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2021-06-13 18:25:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:44,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:44,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.75) internal successors, (184), 32 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:49,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-13 18:25:49,906 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:49,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1209387240, now seen corresponding path program 2 times [2021-06-13 18:25:49,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:49,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238843407] [2021-06-13 18:25:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:50,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:50,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238843407] [2021-06-13 18:25:50,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238843407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:50,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347814368] [2021-06-13 18:25:50,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:50,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 18:25:50,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:25:50,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:25:50,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:50,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347814368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:50,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:50,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-13 18:25:50,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750619452] [2021-06-13 18:25:50,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 18:25:50,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 18:25:50,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=793, Unknown=0, NotChecked=0, Total=992 [2021-06-13 18:25:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:50,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:50,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.75) internal successors, (184), 32 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 18:25:50,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:50,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:50,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:50,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:57,314 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-06-13 18:25:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:57,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-13 18:25:57,595 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:25:57,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:25:57,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2071000459, now seen corresponding path program 7 times [2021-06-13 18:25:57,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:25:57,595 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855157985] [2021-06-13 18:25:57,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:25:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:57,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:25:57,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855157985] [2021-06-13 18:25:57,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855157985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:57,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50785472] [2021-06-13 18:25:57,756 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:25:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:25:57,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:25:57,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:25:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:25:58,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50785472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:25:58,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:25:58,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-13 18:25:58,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978298156] [2021-06-13 18:25:58,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 18:25:58,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:25:58,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 18:25:58,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2021-06-13 18:25:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:58,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:25:58,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.8125) internal successors, (186), 32 states have internal predecessors, (186), 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) [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:58,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:25:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 18:25:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:06,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-13 18:26:06,503 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:26:06,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:26:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash -952234653, now seen corresponding path program 6 times [2021-06-13 18:26:06,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:26:06,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364443370] [2021-06-13 18:26:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:26:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:26:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:26:06,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:26:06,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364443370] [2021-06-13 18:26:06,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364443370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:26:06,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369051396] [2021-06-13 18:26:06,667 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:26:06,720 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-13 18:26:06,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:26:06,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:26:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 18:26:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:26:07,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369051396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:26:07,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 18:26:07,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-13 18:26:07,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608190006] [2021-06-13 18:26:07,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 18:26:07,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 18:26:07,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 18:26:07,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2021-06-13 18:26:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:07,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 18:26:07,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.5) internal successors, (176), 32 states have internal predecessors, (176), 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) [2021-06-13 18:26:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:26:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-13 18:26:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-13 18:26:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-13 18:26:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-13 18:26:16,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:26:16,537 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 18:26:16,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 18:26:16,537 INFO L82 PathProgramCache]: Analyzing trace with hash 619117745, now seen corresponding path program 8 times [2021-06-13 18:26:16,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 18:26:16,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718366240] [2021-06-13 18:26:16,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 18:26:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 18:26:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 18:26:16,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 18:26:16,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718366240] [2021-06-13 18:26:16,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718366240] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 18:26:16,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340366964] [2021-06-13 18:26:16,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:26:16,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 18:26:16,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 18:26:16,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 18:26:16,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-13 18:39:52,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 18:39:52,861 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 18:39:52,878 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 18:39:52,879 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 18:39:52,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 06:39:52 BasicIcfg [2021-06-13 18:39:52,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 18:39:52,880 INFO L168 Benchmark]: Toolchain (without parser) took 876461.64 ms. Allocated memory was 215.0 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 179.3 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 215.0 MB. Free memory is still 197.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.27 ms. Allocated memory is still 215.0 MB. Free memory was 179.1 MB in the beginning and 179.9 MB in the end (delta: -883.2 kB). Peak memory consumption was 15.8 MB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 215.0 MB. Free memory was 179.9 MB in the beginning and 178.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: Boogie Preprocessor took 26.18 ms. Allocated memory is still 215.0 MB. Free memory was 178.2 MB in the beginning and 176.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: RCFGBuilder took 292.82 ms. Allocated memory is still 215.0 MB. Free memory was 176.8 MB in the beginning and 155.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 INFO L168 Benchmark]: TraceAbstraction took 875686.07 ms. Allocated memory was 215.0 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 155.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. [2021-06-13 18:39:52,880 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 215.0 MB. Free memory is still 197.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 410.27 ms. Allocated memory is still 215.0 MB. Free memory was 179.1 MB in the beginning and 179.9 MB in the end (delta: -883.2 kB). Peak memory consumption was 15.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 215.0 MB. Free memory was 179.9 MB in the beginning and 178.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.18 ms. Allocated memory is still 215.0 MB. Free memory was 178.2 MB in the beginning and 176.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 292.82 ms. Allocated memory is still 215.0 MB. Free memory was 176.8 MB in the beginning and 155.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 875686.07 ms. Allocated memory was 215.0 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 155.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2834177, positive: 2372538, positive conditional: 2372538, positive unconditional: 0, negative: 461639, negative conditional: 461639, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2385675, positive: 2372538, positive conditional: 2372538, positive unconditional: 0, negative: 13137, negative conditional: 13137, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2385675, positive: 2372143, positive conditional: 0, positive unconditional: 2372143, negative: 13532, negative conditional: 0, negative unconditional: 13532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 505, positive: 501, positive conditional: 0, positive unconditional: 501, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 505, positive: 501, positive conditional: 0, positive unconditional: 501, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2385675, positive: 2371642, positive conditional: 0, positive unconditional: 2371642, negative: 13528, negative conditional: 0, negative unconditional: 13528, unknown: 505, unknown conditional: 0, unknown unconditional: 505] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040, SemanticConditionEliminator.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 223276, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 222881, negative conditional: 53841, negative unconditional: 169040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 352, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 332, negative conditional: 328, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 489, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 463, negative conditional: 433, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 223276, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 222553, negative conditional: 53513, negative unconditional: 169040, unknown: 348, unknown conditional: 348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 521, Positive conditional cache size: 20, Positive unconditional cache size: 501, Negative cache size: 332, Negative conditional cache size: 328, Negative unconditional cache size: 4, Eliminated conditions: 169040 ], Maximal queried relation: 21, Independence queries for same thread: 448502 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 100 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 875602.4ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 46148.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 577, 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: 230.8ms SsaConstructionTime, 597.8ms SatisfiabilityAnalysisTime, 7370.9ms InterpolantComputationTime, 3050 NumberOfCodeBlocks, 3046 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 3010 ConstructedInterpolants, 0 QuantifiedInterpolants, 21894 SizeOfPredicates, 76 NumberOfNonLiveVariables, 3315 ConjunctsInSsa, 243 ConjunctsInUnsatCore, 40 InterpolantComputations, 5 PerfectInterpolantSequences, 691/2982 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown