/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/fib_bench-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 06:40:32,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 06:40:32,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 06:40:32,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 06:40:32,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 06:40:32,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 06:40:32,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 06:40:32,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 06:40:32,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 06:40:32,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 06:40:32,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 06:40:32,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 06:40:32,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 06:40:32,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 06:40:32,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 06:40:32,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 06:40:32,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 06:40:32,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 06:40:32,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 06:40:32,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 06:40:32,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 06:40:32,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 06:40:32,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 06:40:32,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 06:40:32,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 06:40:32,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 06:40:32,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 06:40:32,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 06:40:32,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 06:40:32,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 06:40:32,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 06:40:32,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 06:40:32,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 06:40:32,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 06:40:32,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 06:40:32,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 06:40:32,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 06:40:32,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 06:40:32,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 06:40:32,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 06:40:32,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 06:40:32,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 06:40:32,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 06:40:32,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 06:40:32,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 06:40:32,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 06:40:32,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 06:40:32,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 06:40:32,328 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 06:40:32,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 06:40:32,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 06:40:32,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 06:40:32,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 06:40:32,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 06:40:32,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:40:32,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 06:40:32,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 06:40:32,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 06:40:32,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 06:40:32,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 06:40:32,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 06:40:32,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 06:40:32,664 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 06:40:32,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench-2.i [2021-06-06 06:40:32,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2f78261/61b376df0a1c42079ac0ac6722adfe59/FLAG9cffc0322 [2021-06-06 06:40:33,264 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 06:40:33,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i [2021-06-06 06:40:33,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2f78261/61b376df0a1c42079ac0ac6722adfe59/FLAG9cffc0322 [2021-06-06 06:40:33,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2f78261/61b376df0a1c42079ac0ac6722adfe59 [2021-06-06 06:40:33,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 06:40:33,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 06:40:33,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 06:40:33,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 06:40:33,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 06:40:33,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:40:33" (1/1) ... [2021-06-06 06:40:33,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23dae344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:33, skipping insertion in model container [2021-06-06 06:40:33,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:40:33" (1/1) ... [2021-06-06 06:40:33,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 06:40:33,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 06:40:34,010 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i[30922,30935] [2021-06-06 06:40:34,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 06:40:34,018 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 06:40:34,047 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i[30922,30935] [2021-06-06 06:40:34,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 06:40:34,102 INFO L208 MainTranslator]: Completed translation [2021-06-06 06:40:34,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34 WrapperNode [2021-06-06 06:40:34,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 06:40:34,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 06:40:34,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 06:40:34,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 06:40:34,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 06:40:34,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 06:40:34,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 06:40:34,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 06:40:34,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... [2021-06-06 06:40:34,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 06:40:34,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 06:40:34,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 06:40:34,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 06:40:34,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:40:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 06:40:34,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 06:40:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 06:40:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 06:40:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 06:40:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 06:40:34,216 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 06:40:34,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 06:40:34,476 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 06:40:34,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:40:34 BoogieIcfgContainer [2021-06-06 06:40:34,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 06:40:34,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 06:40:34,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 06:40:34,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 06:40:34,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 06:40:33" (1/3) ... [2021-06-06 06:40:34,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cca0fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:40:34, skipping insertion in model container [2021-06-06 06:40:34,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:40:34" (2/3) ... [2021-06-06 06:40:34,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cca0fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:40:34, skipping insertion in model container [2021-06-06 06:40:34,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:40:34" (3/3) ... [2021-06-06 06:40:34,483 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench-2.i [2021-06-06 06:40:34,488 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 06:40:34,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 06:40:34,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 06:40:34,489 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 06:40:34,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,535 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,539 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,540 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,540 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,541 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 06:40:34,568 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 06:40:34,590 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 [2021-06-06 06:40:34,652 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 06:40:34,653 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 06:40:34,653 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 06:40:34,653 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 06:40:34,653 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 06:40:34,654 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 06:40:34,654 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 06:40:34,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 06:40:34,702 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:34,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1813471619, now seen corresponding path program 1 times [2021-06-06 06:40:34,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:34,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461483069] [2021-06-06 06:40:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:34,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:34,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461483069] [2021-06-06 06:40:34,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461483069] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:40:34,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:40:34,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 06:40:34,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124980048] [2021-06-06 06:40:34,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 06:40:34,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 06:40:34,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 06:40:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:34,952 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:34,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:34,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 06:40:34,964 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:34,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1616958114, now seen corresponding path program 1 times [2021-06-06 06:40:34,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:34,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000626997] [2021-06-06 06:40:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:35,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:35,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000626997] [2021-06-06 06:40:35,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000626997] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:40:35,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:40:35,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 06:40:35,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322944419] [2021-06-06 06:40:35,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 06:40:35,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:35,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 06:40:35,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 06:40:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:35,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:35,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:35,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 06:40:35,063 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:35,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:35,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1323355505, now seen corresponding path program 1 times [2021-06-06 06:40:35,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:35,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310791756] [2021-06-06 06:40:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:35,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:35,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310791756] [2021-06-06 06:40:35,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310791756] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:35,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100305758] [2021-06-06 06:40:35,129 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 [2021-06-06 06:40:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:35,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 06:40:35,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:35,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100305758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:35,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:35,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 06:40:35,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311667462] [2021-06-06 06:40:35,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 06:40:35,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:35,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 06:40:35,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 06:40:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:35,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:35,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:35,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:35,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:35,593 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:35,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:35,594 INFO L82 PathProgramCache]: Analyzing trace with hash -672088382, now seen corresponding path program 2 times [2021-06-06 06:40:35,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:35,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698953925] [2021-06-06 06:40:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:35,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:35,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698953925] [2021-06-06 06:40:35,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698953925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:35,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795195088] [2021-06-06 06:40:35,695 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 [2021-06-06 06:40:35,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:40:35,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:35,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 06:40:35,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:35,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795195088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:35,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:35,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 06:40:35,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609472699] [2021-06-06 06:40:35,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 06:40:35,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:35,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 06:40:35,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-06 06:40:35,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,938 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:35,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:35,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:35,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:36,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:36,237 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:36,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:36,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1992435089, now seen corresponding path program 3 times [2021-06-06 06:40:36,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:36,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199332115] [2021-06-06 06:40:36,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:36,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:36,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199332115] [2021-06-06 06:40:36,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199332115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:36,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109482239] [2021-06-06 06:40:36,330 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 [2021-06-06 06:40:36,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 06:40:36,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:36,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 06:40:36,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:36,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109482239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:36,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:36,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-06 06:40:36,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557889436] [2021-06-06 06:40:36,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 06:40:36,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:36,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 06:40:36,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-06 06:40:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:36,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:36,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:36,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:36,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:36,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:36,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:36,861 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:36,861 INFO L82 PathProgramCache]: Analyzing trace with hash -635436318, now seen corresponding path program 4 times [2021-06-06 06:40:36,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:36,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764851149] [2021-06-06 06:40:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:36,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:36,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764851149] [2021-06-06 06:40:36,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764851149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:36,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303015865] [2021-06-06 06:40:36,950 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 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 [2021-06-06 06:40:37,019 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:40:37,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:37,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 06:40:37,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:37,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303015865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:37,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:37,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-06 06:40:37,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152144569] [2021-06-06 06:40:37,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 06:40:37,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:37,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 06:40:37,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-06 06:40:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:37,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:37,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:37,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 06:40:37,429 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:37,429 INFO L82 PathProgramCache]: Analyzing trace with hash -862705073, now seen corresponding path program 5 times [2021-06-06 06:40:37,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:37,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802758039] [2021-06-06 06:40:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:37,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:37,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802758039] [2021-06-06 06:40:37,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802758039] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:37,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332749044] [2021-06-06 06:40:37,603 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 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 [2021-06-06 06:40:37,664 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 06:40:37,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:37,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 06:40:37,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:37,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332749044] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:37,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:37,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 06:40:37,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628048507] [2021-06-06 06:40:37,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 06:40:37,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:37,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 06:40:37,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-06-06 06:40:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:37,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 19 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:38,369 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash -952357853, now seen corresponding path program 1 times [2021-06-06 06:40:38,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:38,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377227311] [2021-06-06 06:40:38,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:38,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:38,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377227311] [2021-06-06 06:40:38,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377227311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:38,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946205376] [2021-06-06 06:40:38,512 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 [2021-06-06 06:40:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:38,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 06:40:38,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:38,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946205376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:38,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:38,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-06 06:40:38,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929674359] [2021-06-06 06:40:38,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 06:40:38,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:38,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 06:40:38,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-06-06 06:40:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:38,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 6.0476190476190474) internal successors, (127), 21 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:38,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:39,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:39,197 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:39,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:39,197 INFO L82 PathProgramCache]: Analyzing trace with hash -426871418, now seen corresponding path program 1 times [2021-06-06 06:40:39,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:39,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275224658] [2021-06-06 06:40:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:39,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:39,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275224658] [2021-06-06 06:40:39,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275224658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:39,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056272412] [2021-06-06 06:40:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-06 06:40:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:39,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 06:40:39,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:39,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056272412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:39,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:39,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-06 06:40:39,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621811320] [2021-06-06 06:40:39,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 06:40:39,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:39,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 06:40:39,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-06-06 06:40:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:39,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:39,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 6.181818181818182) internal successors, (136), 22 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:39,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:40,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-06 06:40:40,121 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:40,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:40,121 INFO L82 PathProgramCache]: Analyzing trace with hash -986607101, now seen corresponding path program 2 times [2021-06-06 06:40:40,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:40,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625038977] [2021-06-06 06:40:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:40,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:40,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625038977] [2021-06-06 06:40:40,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625038977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:40,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873697985] [2021-06-06 06:40:40,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:40,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:40:40,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:40,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 06:40:40,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:40,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873697985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:40,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:40,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-06 06:40:40,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133248103] [2021-06-06 06:40:40,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 06:40:40,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:40,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 06:40:40,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2021-06-06 06:40:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:40,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:40,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 5.88) internal successors, (147), 25 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:41,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:41,085 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:41,085 INFO L82 PathProgramCache]: Analyzing trace with hash 829275046, now seen corresponding path program 3 times [2021-06-06 06:40:41,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:41,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720175900] [2021-06-06 06:40:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:41,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:41,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720175900] [2021-06-06 06:40:41,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720175900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:41,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506063478] [2021-06-06 06:40:41,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:41,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 06:40:41,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:41,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 06:40:41,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:41,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506063478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:41,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:41,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-06-06 06:40:41,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049915185] [2021-06-06 06:40:41,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 06:40:41,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:41,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 06:40:41,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2021-06-06 06:40:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:41,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:41,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.0) internal successors, (156), 26 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:41,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:42,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 06:40:42,105 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:42,105 INFO L82 PathProgramCache]: Analyzing trace with hash 394862563, now seen corresponding path program 4 times [2021-06-06 06:40:42,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:42,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141957241] [2021-06-06 06:40:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:42,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:42,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141957241] [2021-06-06 06:40:42,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141957241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:42,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333359598] [2021-06-06 06:40:42,298 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 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 [2021-06-06 06:40:42,360 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:40:42,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:42,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 06:40:42,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:42,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333359598] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:42,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:42,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-06-06 06:40:42,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918345600] [2021-06-06 06:40:42,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 06:40:42,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:42,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 06:40:42,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2021-06-06 06:40:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:42,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:42,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:42,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:42,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:40:43,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 06:40:43,201 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash -687613498, now seen corresponding path program 5 times [2021-06-06 06:40:43,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:43,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457231782] [2021-06-06 06:40:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 17 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-06-06 06:40:43,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:43,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457231782] [2021-06-06 06:40:43,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457231782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:43,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486100429] [2021-06-06 06:40:43,304 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 [2021-06-06 06:40:43,403 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 06:40:43,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:43,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 06:40:43,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-06-06 06:40:43,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486100429] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:40:43,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 06:40:43,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-06 06:40:43,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736999110] [2021-06-06 06:40:43,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 06:40:43,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:43,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 06:40:43,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 06:40:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:43,550 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:43,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:43,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:40:43,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:40:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:44,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:44,157 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1967894352, now seen corresponding path program 2 times [2021-06-06 06:40:44,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:44,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990563894] [2021-06-06 06:40:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:44,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:44,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990563894] [2021-06-06 06:40:44,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990563894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:44,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476781366] [2021-06-06 06:40:44,239 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 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 [2021-06-06 06:40:44,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:40:44,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:44,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 06:40:44,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:44,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476781366] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:40:44,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 06:40:44,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-06 06:40:44,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387475566] [2021-06-06 06:40:44,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 06:40:44,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:44,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 06:40:44,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 06:40:44,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:44,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:44,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:44,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:46,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-06-06 06:40:46,127 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:46,128 INFO L82 PathProgramCache]: Analyzing trace with hash 325386479, now seen corresponding path program 6 times [2021-06-06 06:40:46,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:46,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209419495] [2021-06-06 06:40:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:46,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:46,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209419495] [2021-06-06 06:40:46,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209419495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:46,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690738244] [2021-06-06 06:40:46,255 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 [2021-06-06 06:40:46,342 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 06:40:46,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:40:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 06:40:46,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:40:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:46,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690738244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:46,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:40:46,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2021-06-06 06:40:46,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135888177] [2021-06-06 06:40:46,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 06:40:46,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:40:46,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 06:40:46,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-06-06 06:40:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:46,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:40:46,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 6.0) internal successors, (120), 20 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) [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 06:40:46,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:46,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:46,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:40:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:40:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 06:40:47,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:40:47,511 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 06:40:47,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:40:47,511 INFO L82 PathProgramCache]: Analyzing trace with hash 317112378, now seen corresponding path program 7 times [2021-06-06 06:40:47,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:40:47,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754931155] [2021-06-06 06:40:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:40:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:40:47,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:40:47,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754931155] [2021-06-06 06:40:47,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754931155] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:40:47,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126961897] [2021-06-06 06:40:47,700 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 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 [2021-06-06 06:40:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:40:47,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 06:40:47,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-06 06:55:16,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-06 06:55:16,441 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 06:55:16,448 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 06:55:16,449 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 06:55:16,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 06:55:16 BasicIcfg [2021-06-06 06:55:16,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 06:55:16,450 INFO L168 Benchmark]: Toolchain (without parser) took 882735.91 ms. Allocated memory was 348.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 310.6 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 348.1 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.82 ms. Allocated memory is still 348.1 MB. Free memory was 310.4 MB in the beginning and 312.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 348.1 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 348.1 MB. Free memory was 310.0 MB in the beginning and 308.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: RCFGBuilder took 323.14 ms. Allocated memory is still 348.1 MB. Free memory was 308.9 MB in the beginning and 285.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 INFO L168 Benchmark]: TraceAbstraction took 881970.87 ms. Allocated memory was 348.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 284.8 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-06 06:55:16,450 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 348.1 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 384.82 ms. Allocated memory is still 348.1 MB. Free memory was 310.4 MB in the beginning and 312.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.90 ms. Allocated memory is still 348.1 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.86 ms. Allocated memory is still 348.1 MB. Free memory was 310.0 MB in the beginning and 308.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 323.14 ms. Allocated memory is still 348.1 MB. Free memory was 308.9 MB in the beginning and 285.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 881970.87 ms. Allocated memory was 348.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 284.8 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58198, positive: 49031, positive conditional: 49031, positive unconditional: 0, negative: 9167, negative conditional: 9167, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 49132, positive: 49031, positive conditional: 49031, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 49132, positive: 48923, positive conditional: 0, positive unconditional: 48923, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 488, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 488, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49132, positive: 48438, positive conditional: 0, positive unconditional: 48438, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 488, unknown conditional: 0, unknown unconditional: 488] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852, SemanticConditionEliminator.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 2365, negative conditional: 513, negative unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 42, negative conditional: 39, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 80, negative conditional: 50, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2473, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 2326, negative conditional: 474, negative unconditional: 1852, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 494, Positive conditional cache size: 9, Positive unconditional cache size: 485, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Eliminated conditions: 1852 ], Maximal queried relation: 15, Independence queries for same thread: 9066 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 84 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 881827.2ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.4ms, PartialOrderReductionTime: 4046.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 226, 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: 177.4ms SsaConstructionTime, 536.0ms SatisfiabilityAnalysisTime, 4482.7ms InterpolantComputationTime, 1874 NumberOfCodeBlocks, 1870 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1846 ConstructedInterpolants, 0 QuantifiedInterpolants, 10855 SizeOfPredicates, 54 NumberOfNonLiveVariables, 2062 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 28 InterpolantComputations, 4 PerfectInterpolantSequences, 358/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown