/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 21:51:44,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 21:51:44,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 21:51:44,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 21:51:44,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-01 21:51:44,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-01 21:51:44,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-01 21:51:44,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-01 21:51:44,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-01 21:51:44,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-01 21:51:44,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-01 21:51:44,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-01 21:51:44,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 21:51:44,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 21:51:44,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 21:51:44,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-01 21:51:44,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 21:51:44,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 21:51:44,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 21:51:44,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 21:51:44,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 21:51:44,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 21:51:44,745 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 21:51:44,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 21:51:44,745 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 21:51:44,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 21:51:44,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 21:51:44,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 21:51:44,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 21:51:44,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 21:51:44,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 21:51:44,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 21:51:44,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 21:51:44,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 21:51:44,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 21:51:44,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 21:51:44,749 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 21:51:44,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 21:51:45,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 21:51:45,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 21:51:45,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 21:51:45,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 21:51:45,034 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 21:51:45,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-2.i [2021-06-01 21:51:45,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314de294a/2dc331f3e6d7404aab79aa7ca8fee5d0/FLAG9bc234bce [2021-06-01 21:51:45,610 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 21:51:45,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i [2021-06-01 21:51:45,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314de294a/2dc331f3e6d7404aab79aa7ca8fee5d0/FLAG9bc234bce [2021-06-01 21:51:46,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314de294a/2dc331f3e6d7404aab79aa7ca8fee5d0 [2021-06-01 21:51:46,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 21:51:46,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 21:51:46,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 21:51:46,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 21:51:46,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 21:51:46,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3230e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46, skipping insertion in model container [2021-06-01 21:51:46,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 21:51:46,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 21:51:46,435 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/triangular-longer-2.i[30963,30976] [2021-06-01 21:51:46,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 21:51:46,446 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 21:51:46,508 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/triangular-longer-2.i[30963,30976] [2021-06-01 21:51:46,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 21:51:46,574 INFO L208 MainTranslator]: Completed translation [2021-06-01 21:51:46,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46 WrapperNode [2021-06-01 21:51:46,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 21:51:46,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 21:51:46,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 21:51:46,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 21:51:46,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 21:51:46,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 21:51:46,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 21:51:46,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 21:51:46,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (1/1) ... [2021-06-01 21:51:46,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 21:51:46,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 21:51:46,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 21:51:46,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 21:51:46,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (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 [2021-06-01 21:51:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-01 21:51:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-01 21:51:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-01 21:51:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-01 21:51:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 21:51:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 21:51:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 21:51:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 21:51:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 21:51:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 21:51:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 21:51:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 21:51:46,754 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 21:51:47,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 21:51:47,175 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-01 21:51:47,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 09:51:47 BoogieIcfgContainer [2021-06-01 21:51:47,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 21:51:47,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 21:51:47,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 21:51:47,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 21:51:47,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 09:51:46" (1/3) ... [2021-06-01 21:51:47,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6418e0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 09:51:47, skipping insertion in model container [2021-06-01 21:51:47,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:51:46" (2/3) ... [2021-06-01 21:51:47,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6418e0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 09:51:47, skipping insertion in model container [2021-06-01 21:51:47,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 09:51:47" (3/3) ... [2021-06-01 21:51:47,184 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longer-2.i [2021-06-01 21:51:47,189 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 21:51:47,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 21:51:47,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 21:51:47,190 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 21:51:47,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,230 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,232 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,237 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,237 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,238 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,238 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,239 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,239 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,239 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,239 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,239 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,240 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,241 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,242 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,246 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,247 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,247 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,254 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,254 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,254 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,255 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:51:47,257 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 21:51:47,277 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 [2021-06-01 21:51:47,335 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 21:51:47,336 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 21:51:47,336 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 21:51:47,336 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 21:51:47,336 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 21:51:47,336 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 21:51:47,336 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 21:51:47,337 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 21:51:47,377 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:47,382 INFO L82 PathProgramCache]: Analyzing trace with hash 581373328, now seen corresponding path program 1 times [2021-06-01 21:51:47,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:47,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845533399] [2021-06-01 21:51:47,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:47,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:47,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845533399] [2021-06-01 21:51:47,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845533399] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 21:51:47,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 21:51:47,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-01 21:51:47,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078075564] [2021-06-01 21:51:47,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-01 21:51:47,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:47,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-01 21:51:47,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-01 21:51:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:47,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2021-06-01 21:51:47,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 21:51:47,652 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:47,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:47,653 INFO L82 PathProgramCache]: Analyzing trace with hash 384859823, now seen corresponding path program 1 times [2021-06-01 21:51:47,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:47,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775720626] [2021-06-01 21:51:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:47,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:47,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775720626] [2021-06-01 21:51:47,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775720626] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 21:51:47,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 21:51:47,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 21:51:47,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660649358] [2021-06-01 21:51:47,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-01 21:51:47,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-01 21:51:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-01 21:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:47,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-06-01 21:51:47,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:47,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 21:51:47,729 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:47,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:47,730 INFO L82 PathProgramCache]: Analyzing trace with hash 321637343, now seen corresponding path program 1 times [2021-06-01 21:51:47,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:47,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902580228] [2021-06-01 21:51:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:47,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:47,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902580228] [2021-06-01 21:51:47,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902580228] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:47,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532585785] [2021-06-01 21:51:47,801 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 [2021-06-01 21:51:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:47,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-01 21:51:47,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:48,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532585785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:48,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:48,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-01 21:51:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352095614] [2021-06-01 21:51:48,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 21:51:48,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:48,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 21:51:48,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-01 21:51:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,082 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:48,083 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-06-01 21:51:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:48,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:48,384 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash 987839663, now seen corresponding path program 2 times [2021-06-01 21:51:48,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:48,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793238518] [2021-06-01 21:51:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:48,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:48,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793238518] [2021-06-01 21:51:48,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793238518] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:48,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287054727] [2021-06-01 21:51:48,498 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 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 [2021-06-01 21:51:48,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 21:51:48,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:48,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-01 21:51:48,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:48,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287054727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:48,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:48,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-01 21:51:48,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180470704] [2021-06-01 21:51:48,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 21:51:48,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:48,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 21:51:48,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-01 21:51:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:48,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:48,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:48,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:48,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:48,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:49,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:49,089 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:49,089 INFO L82 PathProgramCache]: Analyzing trace with hash 503434719, now seen corresponding path program 3 times [2021-06-01 21:51:49,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:49,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539033979] [2021-06-01 21:51:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:49,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:49,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539033979] [2021-06-01 21:51:49,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539033979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:49,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048501710] [2021-06-01 21:51:49,177 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 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 [2021-06-01 21:51:49,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-01 21:51:49,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:49,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-01 21:51:49,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-01 21:51:49,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048501710] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 21:51:49,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-01 21:51:49,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2021-06-01 21:51:49,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153137046] [2021-06-01 21:51:49,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 21:51:49,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:49,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 21:51:49,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-06-01 21:51:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:49,462 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:49,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:49,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:49,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:49,801 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:49,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash 99258172, now seen corresponding path program 1 times [2021-06-01 21:51:49,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:49,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496659351] [2021-06-01 21:51:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:49,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:49,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496659351] [2021-06-01 21:51:49,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496659351] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:49,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137187006] [2021-06-01 21:51:49,889 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 [2021-06-01 21:51:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:49,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-01 21:51:49,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:50,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137187006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:50,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:50,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-01 21:51:50,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43232494] [2021-06-01 21:51:50,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 21:51:50,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:50,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 21:51:50,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-01 21:51:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:50,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:50,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-01 21:51:50,385 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:50,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:50,385 INFO L82 PathProgramCache]: Analyzing trace with hash 228742156, now seen corresponding path program 2 times [2021-06-01 21:51:50,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:50,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320423863] [2021-06-01 21:51:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:50,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:50,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320423863] [2021-06-01 21:51:50,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320423863] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:50,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483442515] [2021-06-01 21:51:50,511 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 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 [2021-06-01 21:51:50,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 21:51:50,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:50,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-01 21:51:50,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-01 21:51:50,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483442515] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:50,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:50,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2021-06-01 21:51:50,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723086618] [2021-06-01 21:51:50,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-01 21:51:50,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:50,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-01 21:51:50,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-06-01 21:51:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:50,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 16 states have internal predecessors, (102), 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) [2021-06-01 21:51:50,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:50,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:51,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:51,695 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:51,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:51,695 INFO L82 PathProgramCache]: Analyzing trace with hash -869018999, now seen corresponding path program 1 times [2021-06-01 21:51:51,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:51,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512955302] [2021-06-01 21:51:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:51,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:51,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512955302] [2021-06-01 21:51:51,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512955302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:51,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139873957] [2021-06-01 21:51:51,880 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 [2021-06-01 21:51:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:51,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-01 21:51:51,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:52,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139873957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:52,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:52,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-06-01 21:51:52,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125064240] [2021-06-01 21:51:52,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-01 21:51:52,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:52,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-01 21:51:52,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-06-01 21:51:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:52,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:52,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 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) [2021-06-01 21:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:52,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:52,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:52,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:52,653 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:52,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1393120393, now seen corresponding path program 2 times [2021-06-01 21:51:52,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:52,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831444039] [2021-06-01 21:51:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:52,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:52,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831444039] [2021-06-01 21:51:52,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831444039] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:52,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814847056] [2021-06-01 21:51:52,863 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 [2021-06-01 21:51:52,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 21:51:52,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:52,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-01 21:51:52,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 21:51:53,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814847056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:53,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:53,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-06-01 21:51:53,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577313965] [2021-06-01 21:51:53,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 21:51:53,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:53,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 21:51:53,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-06-01 21:51:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:53,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:53,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.333333333333333) internal successors, (91), 21 states have internal predecessors, (91), 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) [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:53,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-01 21:51:53,740 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:53,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:53,740 INFO L82 PathProgramCache]: Analyzing trace with hash 912545417, now seen corresponding path program 3 times [2021-06-01 21:51:53,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:53,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646787112] [2021-06-01 21:51:53,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-06-01 21:51:53,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:53,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646787112] [2021-06-01 21:51:53,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646787112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:53,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915384875] [2021-06-01 21:51:53,890 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 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 [2021-06-01 21:51:53,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 21:51:53,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:53,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-01 21:51:53,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-06-01 21:51:54,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915384875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:54,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:54,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-01 21:51:54,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480534388] [2021-06-01 21:51:54,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 21:51:54,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:54,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 21:51:54,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-01 21:51:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:54,116 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:54,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:54,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:54,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:54,672 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:54,673 INFO L82 PathProgramCache]: Analyzing trace with hash -63224780, now seen corresponding path program 4 times [2021-06-01 21:51:54,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:54,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241909571] [2021-06-01 21:51:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 253 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 21:51:54,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:54,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241909571] [2021-06-01 21:51:54,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241909571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:54,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343356880] [2021-06-01 21:51:54,923 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 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 [2021-06-01 21:51:55,009 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 21:51:55,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:55,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-01 21:51:55,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-01 21:51:55,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343356880] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 21:51:55,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-01 21:51:55,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 25 [2021-06-01 21:51:55,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129100395] [2021-06-01 21:51:55,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 21:51:55,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:55,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 21:51:55,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2021-06-01 21:51:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:55,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:55,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:55,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:55,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:55,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:51:55,951 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:55,952 INFO L82 PathProgramCache]: Analyzing trace with hash -316913730, now seen corresponding path program 1 times [2021-06-01 21:51:55,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:55,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545405775] [2021-06-01 21:51:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-06-01 21:51:56,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:56,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545405775] [2021-06-01 21:51:56,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545405775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:56,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215367997] [2021-06-01 21:51:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-01 21:51:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:56,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-01 21:51:56,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-06-01 21:51:56,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215367997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:56,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:56,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-06-01 21:51:56,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357069619] [2021-06-01 21:51:56,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-01 21:51:56,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:56,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-01 21:51:56,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-01 21:51:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:56,276 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:56,276 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:51:57,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-01 21:51:57,005 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:57,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:57,005 INFO L82 PathProgramCache]: Analyzing trace with hash 755070724, now seen corresponding path program 5 times [2021-06-01 21:51:57,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:57,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565861802] [2021-06-01 21:51:57,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-06-01 21:51:57,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:57,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565861802] [2021-06-01 21:51:57,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565861802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:57,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111923290] [2021-06-01 21:51:57,133 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 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 [2021-06-01 21:51:57,219 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-01 21:51:57,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:57,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-01 21:51:57,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-06-01 21:51:57,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111923290] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:57,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:57,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-01 21:51:57,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348723762] [2021-06-01 21:51:57,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-01 21:51:57,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:57,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-01 21:51:57,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-01 21:51:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:57,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:57,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 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) [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:57,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:57,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:51:57,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:51:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 21:51:58,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-01 21:51:58,121 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:58,121 INFO L82 PathProgramCache]: Analyzing trace with hash 334715545, now seen corresponding path program 1 times [2021-06-01 21:51:58,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:58,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814788811] [2021-06-01 21:51:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-06-01 21:51:58,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:58,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814788811] [2021-06-01 21:51:58,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814788811] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:58,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081042077] [2021-06-01 21:51:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-01 21:51:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-01 21:51:58,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:51:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-06-01 21:51:58,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081042077] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:58,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:51:58,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-01 21:51:58,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737655039] [2021-06-01 21:51:58,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 21:51:58,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:51:58,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 21:51:58,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-01 21:51:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:58,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:51:58,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-01 21:51:58,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:51:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:51:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:51:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:51:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:51:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:51:59,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-01 21:51:59,701 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:51:59,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:51:59,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1124816415, now seen corresponding path program 6 times [2021-06-01 21:51:59,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:51:59,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158688446] [2021-06-01 21:51:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:51:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:51:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-06-01 21:51:59,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:51:59,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158688446] [2021-06-01 21:51:59,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158688446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:51:59,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891336516] [2021-06-01 21:51:59,863 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 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 [2021-06-01 21:51:59,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-01 21:51:59,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:51:59,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-01 21:51:59,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-06-01 21:52:00,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891336516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:00,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:00,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-01 21:52:00,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101189205] [2021-06-01 21:52:00,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-01 21:52:00,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:00,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-01 21:52:00,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-01 21:52:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:00,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:00,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 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) [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:00,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:01,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:01,123 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:01,124 INFO L82 PathProgramCache]: Analyzing trace with hash 771487572, now seen corresponding path program 2 times [2021-06-01 21:52:01,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:01,124 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92156992] [2021-06-01 21:52:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-06-01 21:52:01,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:01,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92156992] [2021-06-01 21:52:01,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92156992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:01,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896310916] [2021-06-01 21:52:01,245 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 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 [2021-06-01 21:52:01,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 21:52:01,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:01,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-01 21:52:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-06-01 21:52:01,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896310916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:01,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:01,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-01 21:52:01,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532857642] [2021-06-01 21:52:01,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-01 21:52:01,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:01,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-01 21:52:01,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-01 21:52:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:01,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:01,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 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) [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:03,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:03,365 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:03,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:03,365 INFO L82 PathProgramCache]: Analyzing trace with hash 326184730, now seen corresponding path program 7 times [2021-06-01 21:52:03,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:03,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7656416] [2021-06-01 21:52:03,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-01 21:52:03,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:03,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7656416] [2021-06-01 21:52:03,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7656416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:03,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114010930] [2021-06-01 21:52:03,547 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 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 [2021-06-01 21:52:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:03,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-01 21:52:03,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-01 21:52:03,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114010930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:03,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:03,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-01 21:52:03,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086539832] [2021-06-01 21:52:03,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-01 21:52:03,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-01 21:52:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-06-01 21:52:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:03,861 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:03,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.75) internal successors, (92), 16 states have internal predecessors, (92), 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) [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:03,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:03,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:03,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:03,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-01 21:52:05,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:05,223 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:05,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:05,223 INFO L82 PathProgramCache]: Analyzing trace with hash 845662895, now seen corresponding path program 3 times [2021-06-01 21:52:05,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:05,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946952301] [2021-06-01 21:52:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-01 21:52:05,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:05,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946952301] [2021-06-01 21:52:05,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946952301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:05,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960031606] [2021-06-01 21:52:05,336 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 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 [2021-06-01 21:52:05,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-01 21:52:05,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:05,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-01 21:52:05,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:05,585 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-06-01 21:52:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-01 21:52:05,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960031606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:05,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:05,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-06-01 21:52:05,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878914741] [2021-06-01 21:52:05,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-01 21:52:05,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:05,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-01 21:52:05,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-06-01 21:52:05,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:05,700 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:05,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 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) [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:05,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-01 21:52:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:07,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-01 21:52:07,881 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:07,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1962356405, now seen corresponding path program 8 times [2021-06-01 21:52:07,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:07,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021810519] [2021-06-01 21:52:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-01 21:52:08,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:08,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021810519] [2021-06-01 21:52:08,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021810519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:08,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875303196] [2021-06-01 21:52:08,083 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 [2021-06-01 21:52:08,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 21:52:08,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:08,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-01 21:52:08,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-01 21:52:08,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875303196] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:08,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:08,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-01 21:52:08,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237219515] [2021-06-01 21:52:08,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-01 21:52:08,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:08,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-01 21:52:08,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-06-01 21:52:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:08,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:08,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 states have internal predecessors, (102), 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) [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:08,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-01 21:52:10,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-01 21:52:10,037 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:10,037 INFO L82 PathProgramCache]: Analyzing trace with hash -867991574, now seen corresponding path program 4 times [2021-06-01 21:52:10,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:10,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580156365] [2021-06-01 21:52:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-01 21:52:10,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:10,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580156365] [2021-06-01 21:52:10,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580156365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:10,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623620813] [2021-06-01 21:52:10,184 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 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 [2021-06-01 21:52:10,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 21:52:10,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:10,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-01 21:52:10,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-01 21:52:10,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623620813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:10,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:10,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 18 [2021-06-01 21:52:10,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680942393] [2021-06-01 21:52:10,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-01 21:52:10,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:10,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-01 21:52:10,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-06-01 21:52:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:10,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:10,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.111111111111111) internal successors, (92), 18 states have internal predecessors, (92), 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) [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:10,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-01 21:52:10,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:13,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-01 21:52:13,342 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:13,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1752137776, now seen corresponding path program 9 times [2021-06-01 21:52:13,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:13,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078718725] [2021-06-01 21:52:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-01 21:52:13,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:13,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078718725] [2021-06-01 21:52:13,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078718725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:13,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2901300] [2021-06-01 21:52:13,738 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 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 [2021-06-01 21:52:13,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-01 21:52:13,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-01 21:52:13,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:14,018 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-01 21:52:14,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2901300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:14,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:14,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 19 [2021-06-01 21:52:14,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858605101] [2021-06-01 21:52:14,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-01 21:52:14,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:14,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-01 21:52:14,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-06-01 21:52:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:14,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:14,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 19 states have internal predecessors, (110), 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) [2021-06-01 21:52:14,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:14,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:14,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:14,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:16,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-01 21:52:16,138 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash 191091653, now seen corresponding path program 5 times [2021-06-01 21:52:16,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:16,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870748957] [2021-06-01 21:52:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-01 21:52:16,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:16,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870748957] [2021-06-01 21:52:16,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870748957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:16,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996407422] [2021-06-01 21:52:16,483 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 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 [2021-06-01 21:52:16,572 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-01 21:52:16,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:16,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-01 21:52:16,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-01 21:52:16,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996407422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:16,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:16,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 20 [2021-06-01 21:52:16,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981841493] [2021-06-01 21:52:16,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-01 21:52:16,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:16,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-01 21:52:16,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-06-01 21:52:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:16,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:16,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.1) internal successors, (102), 20 states have internal predecessors, (102), 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) [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:16,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:16,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:20,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-01 21:52:20,859 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:20,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:20,859 INFO L82 PathProgramCache]: Analyzing trace with hash 723607627, now seen corresponding path program 10 times [2021-06-01 21:52:20,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:20,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271393718] [2021-06-01 21:52:20,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-01 21:52:21,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:21,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271393718] [2021-06-01 21:52:21,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271393718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:21,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397705867] [2021-06-01 21:52:21,096 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:21,178 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-01 21:52:21,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:21,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-01 21:52:21,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-01 21:52:21,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397705867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:21,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:21,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 21 [2021-06-01 21:52:21,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854040867] [2021-06-01 21:52:21,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 21:52:21,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 21:52:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2021-06-01 21:52:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:21,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:21,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.714285714285714) internal successors, (120), 21 states have internal predecessors, (120), 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) [2021-06-01 21:52:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:21,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-01 21:52:24,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:24,445 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash -2119409280, now seen corresponding path program 6 times [2021-06-01 21:52:24,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:24,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118561962] [2021-06-01 21:52:24,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-01 21:52:24,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:24,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118561962] [2021-06-01 21:52:24,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118561962] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:24,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891127325] [2021-06-01 21:52:24,642 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:24,735 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-01 21:52:24,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:24,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-01 21:52:24,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-01 21:52:25,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891127325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:25,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:25,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 21 [2021-06-01 21:52:25,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68884311] [2021-06-01 21:52:25,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-01 21:52:25,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:25,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-01 21:52:25,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-06-01 21:52:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:25,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:25,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.285714285714286) internal successors, (111), 21 states have internal predecessors, (111), 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) [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:25,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-01 21:52:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-01 21:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-01 21:52:30,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-01 21:52:30,291 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:30,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:30,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1322641990, now seen corresponding path program 11 times [2021-06-01 21:52:30,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:30,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132677093] [2021-06-01 21:52:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 389 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 21:52:30,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:30,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132677093] [2021-06-01 21:52:30,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132677093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:30,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616607097] [2021-06-01 21:52:30,567 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:30,634 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-01 21:52:30,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 21:52:30,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-01 21:52:30,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 389 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 21:52:30,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616607097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:30,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:30,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 23 [2021-06-01 21:52:30,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716658649] [2021-06-01 21:52:30,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 21:52:30,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:30,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 21:52:30,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-06-01 21:52:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:30,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:30,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 23 states have internal predecessors, (130), 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) [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:30,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-01 21:52:30,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-01 21:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-01 21:52:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-01 21:52:34,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:34,049 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:34,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:34,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1459554853, now seen corresponding path program 7 times [2021-06-01 21:52:34,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:34,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666588690] [2021-06-01 21:52:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 21:52:34,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 21:52:34,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666588690] [2021-06-01 21:52:34,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666588690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:34,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553569680] [2021-06-01 21:52:34,255 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 21:52:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 21:52:34,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-01 21:52:34,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 21:52:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 21:52:34,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553569680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 21:52:34,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 21:52:34,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-06-01 21:52:34,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999390637] [2021-06-01 21:52:34,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 21:52:34,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 21:52:34,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 21:52:34,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-06-01 21:52:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:34,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 21:52:34,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.260869565217392) internal successors, (121), 23 states have internal predecessors, (121), 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) [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:34,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-01 21:52:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-01 21:52:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-01 21:52:40,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-01 21:52:40,951 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:52:40,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:52:40,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1891855073, now seen corresponding path program 12 times [2021-06-01 21:52:40,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:52:40,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378341245] [2021-06-01 21:52:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:52:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 21:52:40,976 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 21:52:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 21:52:41,005 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 21:52:41,047 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 21:52:41,048 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 21:52:41,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-01 21:52:41,069 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 21:52:41,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 09:52:41 BasicIcfg [2021-06-01 21:52:41,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 21:52:41,177 INFO L168 Benchmark]: Toolchain (without parser) took 55073.08 ms. Allocated memory was 339.7 MB in the beginning and 7.3 GB in the end (delta: 6.9 GB). Free memory was 302.2 MB in the beginning and 6.2 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,177 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory is still 320.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 21:52:41,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.37 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 301.2 MB in the end (delta: 734.2 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.05 ms. Allocated memory is still 339.7 MB. Free memory was 301.2 MB in the beginning and 300.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,177 INFO L168 Benchmark]: Boogie Preprocessor took 39.90 ms. Allocated memory is still 339.7 MB. Free memory was 300.1 MB in the beginning and 298.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,177 INFO L168 Benchmark]: RCFGBuilder took 507.64 ms. Allocated memory is still 339.7 MB. Free memory was 298.0 MB in the beginning and 275.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,178 INFO L168 Benchmark]: TraceAbstraction took 53998.33 ms. Allocated memory was 339.7 MB in the beginning and 7.3 GB in the end (delta: 6.9 GB). Free memory was 275.0 MB in the beginning and 6.2 GB in the end (delta: -6.0 GB). Peak memory consumption was 981.4 MB. Max. memory is 16.0 GB. [2021-06-01 21:52:41,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory is still 320.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 458.37 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 301.2 MB in the end (delta: 734.2 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.05 ms. Allocated memory is still 339.7 MB. Free memory was 301.2 MB in the beginning and 300.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.90 ms. Allocated memory is still 339.7 MB. Free memory was 300.1 MB in the beginning and 298.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 507.64 ms. Allocated memory is still 339.7 MB. Free memory was 298.0 MB in the beginning and 275.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 53998.33 ms. Allocated memory was 339.7 MB in the beginning and 7.3 GB in the end (delta: 6.9 GB). Free memory was 275.0 MB in the beginning and 6.2 GB in the end (delta: -6.0 GB). Peak memory consumption was 981.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1559476, positive: 1345174, positive conditional: 1345174, positive unconditional: 0, negative: 214302, negative conditional: 214302, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1353928, positive: 1345174, positive conditional: 1345174, positive unconditional: 0, negative: 8754, negative conditional: 8754, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1353928, positive: 1339986, positive conditional: 0, positive unconditional: 1339986, negative: 13942, negative conditional: 0, negative unconditional: 13942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 492, positive: 488, positive conditional: 0, positive unconditional: 488, 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: 492, positive: 488, positive conditional: 0, positive unconditional: 488, 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: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1353928, positive: 1339498, positive conditional: 0, positive unconditional: 1339498, negative: 13938, negative conditional: 0, negative unconditional: 13938, unknown: 492, unknown conditional: 0, unknown unconditional: 492] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657, SemanticConditionEliminator.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255918, positive: 5188, positive conditional: 5188, positive unconditional: 0, negative: 250730, negative conditional: 83073, negative unconditional: 167657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 572, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 528, negative conditional: 524, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 760, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 697, negative conditional: 667, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 255918, positive: 5144, positive conditional: 5144, positive unconditional: 0, negative: 250206, negative conditional: 82549, negative unconditional: 167657, unknown: 568, unknown conditional: 568, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1060, Positive cache size: 532, Positive conditional cache size: 44, Positive unconditional cache size: 488, Negative cache size: 528, Negative conditional cache size: 524, Negative unconditional cache size: 4, Eliminated conditions: 167657 ], Maximal queried relation: 26, Independence queries for same thread: 205548 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L716] 0 int condI = i >= (2*10 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=0] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=3] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=2] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=2, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=5] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=4, k=5] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=6, k=4] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=4, k=6] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=6] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=6] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=5] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=5, k=6] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=5, k=7] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=7, k=5] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=7] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=7] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=6] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=6, k=7] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=8, k=6] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=6, k=8] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=8] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=8, k=7] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=8] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=7, k=8] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=7, k=9] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=9, k=7] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=9, k=8] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=9] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=9] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=9, k=8] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=10, k=8] [L696] COND FALSE 1 !(k < 10) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=8, k=10] [L704] 2 k++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=9, k=10] [L704] COND TRUE 2 k < 10 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=10, k=9] [L706] 2 j = i + 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=9, k=10] [L719] 0 int condJ = j >= (2*10 +6); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9] [L721] COND TRUE 0 condI || condJ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9] [L722] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53766.5ms, OverallIterations: 27, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 36999.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 753, 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: 435.6ms SsaConstructionTime, 1417.3ms SatisfiabilityAnalysisTime, 8303.3ms InterpolantComputationTime, 4718 NumberOfCodeBlocks, 4644 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 4532 ConstructedInterpolants, 0 QuantifiedInterpolants, 15478 SizeOfPredicates, 249 NumberOfNonLiveVariables, 4647 ConjunctsInSsa, 378 ConjunctsInUnsatCore, 50 InterpolantComputations, 4 PerfectInterpolantSequences, 2568/9796 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...