/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 06:04:02,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 06:04:02,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 06:04:02,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 06:04:02,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 06:04:02,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 06:04:02,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 06:04:02,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 06:04:02,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 06:04:02,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 06:04:02,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 06:04:02,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 06:04:02,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 06:04:02,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 06:04:02,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 06:04:02,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 06:04:02,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 06:04:02,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 06:04:02,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 06:04:02,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 06:04:02,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 06:04:02,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 06:04:02,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 06:04:02,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 06:04:02,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 06:04:02,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-29 06:04:02,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-29 06:04:02,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-29 06:04:02,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-29 06:04:02,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-29 06:04:02,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-29 06:04:02,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-29 06:04:02,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-29 06:04:02,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 06:04:02,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 06:04:02,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 06:04:02,237 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-MCRwithDepranks.epf [2022-01-29 06:04:02,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 06:04:02,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 06:04:02,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 06:04:02,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 06:04:02,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 06:04:02,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 06:04:02,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 06:04:02,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 06:04:02,266 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 06:04:02,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 06:04:02,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 06:04:02,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 06:04:02,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 06:04:02,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 06:04:02,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 06:04:02,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 06:04:02,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 06:04:02,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 06:04:02,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 06:04:02,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 06:04:02,270 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 06:04:02,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 06:04:02,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 06:04:02,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 06:04:02,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 06:04:02,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 06:04:02,492 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 06:04:02,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2022-01-29 06:04:02,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d51d68e8/90179d88881c40b39038a4a59d3655a2/FLAGd9d59055d [2022-01-29 06:04:02,911 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 06:04:02,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2022-01-29 06:04:02,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d51d68e8/90179d88881c40b39038a4a59d3655a2/FLAGd9d59055d [2022-01-29 06:04:02,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d51d68e8/90179d88881c40b39038a4a59d3655a2 [2022-01-29 06:04:02,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 06:04:02,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 06:04:02,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 06:04:02,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 06:04:02,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 06:04:02,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 06:04:02" (1/1) ... [2022-01-29 06:04:02,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50350615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:02, skipping insertion in model container [2022-01-29 06:04:02,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 06:04:02" (1/1) ... [2022-01-29 06:04:02,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 06:04:02,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 06:04:03,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2434,2447] [2022-01-29 06:04:03,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 06:04:03,131 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 06:04:03,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2434,2447] [2022-01-29 06:04:03,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 06:04:03,170 INFO L208 MainTranslator]: Completed translation [2022-01-29 06:04:03,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03 WrapperNode [2022-01-29 06:04:03,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 06:04:03,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 06:04:03,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 06:04:03,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 06:04:03,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,201 INFO L137 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2022-01-29 06:04:03,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 06:04:03,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 06:04:03,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 06:04:03,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 06:04:03,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 06:04:03,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 06:04:03,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 06:04:03,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 06:04:03,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (1/1) ... [2022-01-29 06:04:03,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 06:04:03,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:03,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-29 06:04:03,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-29 06:04:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 06:04:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 06:04:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 06:04:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 06:04:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 06:04:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 06:04:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 06:04:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 06:04:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 06:04:03,335 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 06:04:03,409 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 06:04:03,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 06:04:03,663 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 06:04:03,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 06:04:03,683 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-29 06:04:03,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 06:04:03 BoogieIcfgContainer [2022-01-29 06:04:03,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 06:04:03,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 06:04:03,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 06:04:03,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 06:04:03,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 06:04:02" (1/3) ... [2022-01-29 06:04:03,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f62b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 06:04:03, skipping insertion in model container [2022-01-29 06:04:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 06:04:03" (2/3) ... [2022-01-29 06:04:03,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f62b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 06:04:03, skipping insertion in model container [2022-01-29 06:04:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 06:04:03" (3/3) ... [2022-01-29 06:04:03,692 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2022-01-29 06:04:03,695 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 06:04:03,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 06:04:03,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 06:04:03,696 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 06:04:03,742 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,742 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,742 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,745 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,752 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,753 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,754 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,755 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,756 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,758 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,758 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,758 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,759 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,759 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,760 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,760 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,760 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,760 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,760 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,761 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,762 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,765 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,765 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,765 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,765 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,766 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,766 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,766 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,766 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,773 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,773 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,774 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,774 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,775 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,776 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 06:04:03,780 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 06:04:03,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 06:04:03,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:03,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 06:04:03,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 06:04:03,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 06:04:03,853 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 06:04:03,853 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 06:04:04,020 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:04,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1173028373, now seen corresponding path program 1 times [2022-01-29 06:04:04,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:04,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354277540] [2022-01-29 06:04:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:04,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:04,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:04,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354277540] [2022-01-29 06:04:04,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354277540] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 06:04:04,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 06:04:04,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 06:04:04,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41218544] [2022-01-29 06:04:04,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:04:04,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-29 06:04:04,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:04,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-29 06:04:04,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-29 06:04:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,252 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:04,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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) [2022-01-29 06:04:04,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 06:04:04,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:04,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:04,323 INFO L85 PathProgramCache]: Analyzing trace with hash 655560039, now seen corresponding path program 1 times [2022-01-29 06:04:04,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:04,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953740616] [2022-01-29 06:04:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:04,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:04,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:04,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953740616] [2022-01-29 06:04:04,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953740616] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 06:04:04,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 06:04:04,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-29 06:04:04,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214088694] [2022-01-29 06:04:04,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:04:04,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-29 06:04:04,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:04,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-29 06:04:04,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-01-29 06:04:04,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:04,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 06:04:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:04,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 06:04:04,829 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:04,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1286043925, now seen corresponding path program 1 times [2022-01-29 06:04:04,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:04,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259873380] [2022-01-29 06:04:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:04,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:04,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:04,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259873380] [2022-01-29 06:04:04,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259873380] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 06:04:04,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 06:04:04,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-29 06:04:04,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559278360] [2022-01-29 06:04:04,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:04:04,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-29 06:04:04,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:04,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-29 06:04:04,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-29 06:04:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,969 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:04,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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) [2022-01-29 06:04:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-29 06:04:05,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-29 06:04:05,081 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:05,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:05,081 INFO L85 PathProgramCache]: Analyzing trace with hash 185656178, now seen corresponding path program 1 times [2022-01-29 06:04:05,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:05,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585116354] [2022-01-29 06:04:05,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:05,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:05,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:05,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585116354] [2022-01-29 06:04:05,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585116354] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:05,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821181098] [2022-01-29 06:04:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:05,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:05,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:05,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:05,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 06:04:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:05,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-29 06:04:05,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:06,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:06,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821181098] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:06,417 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:06,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2022-01-29 06:04:06,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62759492] [2022-01-29 06:04:06,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:06,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-29 06:04:06,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:06,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-29 06:04:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=735, Unknown=0, NotChecked=0, Total=870 [2022-01-29 06:04:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:06,420 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:06,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.7) internal successors, (261), 30 states have internal predecessors, (261), 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) [2022-01-29 06:04:06,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:06,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:06,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-01-29 06:04:06,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:07,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:07,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:07,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:07,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 06:04:07,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-29 06:04:07,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-29 06:04:07,552 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:07,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:07,552 INFO L85 PathProgramCache]: Analyzing trace with hash -849110627, now seen corresponding path program 1 times [2022-01-29 06:04:07,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:07,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969509917] [2022-01-29 06:04:07,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:07,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:07,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969509917] [2022-01-29 06:04:07,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969509917] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338513882] [2022-01-29 06:04:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:07,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:07,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:07,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 06:04:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:07,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-29 06:04:07,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:08,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:08,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338513882] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:08,676 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:08,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2022-01-29 06:04:08,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090491971] [2022-01-29 06:04:08,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:08,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-29 06:04:08,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-29 06:04:08,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2022-01-29 06:04:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:08,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:08,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.193548387096774) internal successors, (254), 31 states have internal predecessors, (254), 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) [2022-01-29 06:04:08,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:08,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:08,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:08,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 06:04:08,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-29 06:04:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-29 06:04:09,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-29 06:04:09,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:09,945 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 499728968, now seen corresponding path program 1 times [2022-01-29 06:04:09,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:09,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491894474] [2022-01-29 06:04:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:09,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:10,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:10,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491894474] [2022-01-29 06:04:10,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491894474] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:10,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977004547] [2022-01-29 06:04:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:10,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:10,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:10,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:10,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 06:04:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:10,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-29 06:04:10,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:10,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:10,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977004547] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:10,690 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:10,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-01-29 06:04:10,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717181757] [2022-01-29 06:04:10,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:10,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-29 06:04:10,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:10,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-29 06:04:10,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-01-29 06:04:10,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:10,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:10,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.947368421052632) internal successors, (170), 19 states have internal predecessors, (170), 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) [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-01-29 06:04:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:14,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 06:04:14,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:14,656 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash 490253344, now seen corresponding path program 2 times [2022-01-29 06:04:14,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:14,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046098699] [2022-01-29 06:04:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:14,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:14,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:14,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046098699] [2022-01-29 06:04:14,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046098699] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:14,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738939081] [2022-01-29 06:04:14,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 06:04:14,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:14,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:14,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 06:04:14,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 06:04:14,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:04:14,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-29 06:04:14,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:15,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:15,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738939081] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:15,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-29 06:04:15,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-01-29 06:04:15,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975705419] [2022-01-29 06:04:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:04:15,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-29 06:04:15,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:15,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-29 06:04:15,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-01-29 06:04:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:15,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:15,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 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) [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:15,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:18,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 06:04:19,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:19,067 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:19,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:19,068 INFO L85 PathProgramCache]: Analyzing trace with hash 804326134, now seen corresponding path program 2 times [2022-01-29 06:04:19,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:19,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724424332] [2022-01-29 06:04:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:19,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:19,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:19,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724424332] [2022-01-29 06:04:19,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724424332] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:19,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261459169] [2022-01-29 06:04:19,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 06:04:19,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:19,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:19,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:19,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 06:04:19,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 06:04:19,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:04:19,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-29 06:04:19,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:04:19,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:04:19,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261459169] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:19,619 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:19,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2022-01-29 06:04:19,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480665254] [2022-01-29 06:04:19,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:19,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-29 06:04:19,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:19,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-29 06:04:19,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-29 06:04:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:19,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:19,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.9375) internal successors, (207), 16 states have internal predecessors, (207), 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) [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:23,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:23,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 06:04:23,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:23,748 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:23,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1450629327, now seen corresponding path program 1 times [2022-01-29 06:04:23,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:23,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694408865] [2022-01-29 06:04:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:23,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:25,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:25,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694408865] [2022-01-29 06:04:25,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694408865] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:25,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476128139] [2022-01-29 06:04:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:25,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:25,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:25,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:25,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 06:04:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:25,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-29 06:04:25,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 06:04:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 06:04:27,023 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 06:04:27,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 64 [2022-01-29 06:04:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:28,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:30,450 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-01-29 06:04:30,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 80 [2022-01-29 06:04:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:04:31,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476128139] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:31,747 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:31,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 29] total 73 [2022-01-29 06:04:31,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461373713] [2022-01-29 06:04:31,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:31,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-01-29 06:04:31,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:31,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-01-29 06:04:31,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=4714, Unknown=0, NotChecked=0, Total=5256 [2022-01-29 06:04:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:31,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:31,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.602739726027397) internal successors, (336), 73 states have internal predecessors, (336), 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) [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:31,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:31,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-29 06:04:41,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-29 06:04:41,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:41,264 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash -686030122, now seen corresponding path program 2 times [2022-01-29 06:04:41,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:41,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457399274] [2022-01-29 06:04:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:41,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:41,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:41,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457399274] [2022-01-29 06:04:41,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457399274] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:41,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937929730] [2022-01-29 06:04:41,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 06:04:41,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:41,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:41,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:41,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 06:04:41,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 06:04:41,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:04:41,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-29 06:04:41,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:42,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:04:42,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937929730] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:42,892 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:42,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 36 [2022-01-29 06:04:42,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107835139] [2022-01-29 06:04:42,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:42,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-29 06:04:42,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-29 06:04:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1057, Unknown=0, NotChecked=0, Total=1260 [2022-01-29 06:04:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:42,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:42,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.694444444444445) internal successors, (277), 36 states have internal predecessors, (277), 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) [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-01-29 06:04:42,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-29 06:04:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-29 06:04:48,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 06:04:48,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-29 06:04:48,369 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:48,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:48,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1261032190, now seen corresponding path program 1 times [2022-01-29 06:04:48,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:48,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516081763] [2022-01-29 06:04:48,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:48,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-29 06:04:48,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:48,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516081763] [2022-01-29 06:04:48,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516081763] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 06:04:48,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 06:04:48,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 06:04:48,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735710168] [2022-01-29 06:04:48,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:04:48,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 06:04:48,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:48,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 06:04:48,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-29 06:04:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:48,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:48,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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) [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-01-29 06:04:48,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:04:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:04:50,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-29 06:04:50,342 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:04:50,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:04:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1809571164, now seen corresponding path program 1 times [2022-01-29 06:04:50,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:04:50,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319442760] [2022-01-29 06:04:50,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:50,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:04:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:04:51,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:04:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319442760] [2022-01-29 06:04:51,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319442760] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:04:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318093246] [2022-01-29 06:04:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:04:51,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:04:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:04:51,265 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:04:51,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-29 06:04:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:04:51,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 47 conjunts are in the unsatisfiable core [2022-01-29 06:04:51,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:04:52,107 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 06:04:52,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 22 [2022-01-29 06:04:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-29 06:04:52,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:04:53,503 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-01-29 06:04:53,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 34 [2022-01-29 06:04:53,554 INFO L354 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2022-01-29 06:04:53,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 56 [2022-01-29 06:04:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:04:53,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318093246] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:04:53,886 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:04:53,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25, 17] total 49 [2022-01-29 06:04:53,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344345993] [2022-01-29 06:04:53,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:04:53,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-29 06:04:53,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:04:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-29 06:04:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2124, Unknown=0, NotChecked=0, Total=2352 [2022-01-29 06:04:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:53,888 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:04:53,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.469387755102041) internal successors, (317), 49 states have internal predecessors, (317), 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) [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:04:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:05:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:05:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 06:05:02,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-29 06:05:02,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:02,191 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:02,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2019431797, now seen corresponding path program 1 times [2022-01-29 06:05:02,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:02,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783596055] [2022-01-29 06:05:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:02,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:02,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:02,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:02,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783596055] [2022-01-29 06:05:02,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783596055] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:05:02,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507153394] [2022-01-29 06:05:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:02,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:05:02,323 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:05:02,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-29 06:05:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:02,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-29 06:05:02,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:05:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:02,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:05:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:02,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507153394] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:05:02,834 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:05:02,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 30 [2022-01-29 06:05:02,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144393456] [2022-01-29 06:05:02,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:05:02,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-29 06:05:02,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:02,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-29 06:05:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2022-01-29 06:05:02,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:02,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:02,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.133333333333333) internal successors, (244), 30 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 06:05:02,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-29 06:05:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:09,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-29 06:05:09,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-29 06:05:09,789 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:09,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:09,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1240768694, now seen corresponding path program 2 times [2022-01-29 06:05:09,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:09,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099107538] [2022-01-29 06:05:09,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:09,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:10,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:10,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099107538] [2022-01-29 06:05:10,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099107538] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:05:10,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611319997] [2022-01-29 06:05:10,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 06:05:10,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:10,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:05:10,111 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:05:10,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-29 06:05:10,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 06:05:10,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:05:10,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-29 06:05:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:05:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:10,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:05:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:11,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611319997] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:05:11,232 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:05:11,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2022-01-29 06:05:11,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167279330] [2022-01-29 06:05:11,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:05:11,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-01-29 06:05:11,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-01-29 06:05:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1613, Unknown=0, NotChecked=0, Total=1806 [2022-01-29 06:05:11,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:11,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:11,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.209302325581396) internal successors, (353), 43 states have internal predecessors, (353), 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) [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:11,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-29 06:05:20,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:20,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:20,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-01-29 06:05:20,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-29 06:05:20,480 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash -257453602, now seen corresponding path program 1 times [2022-01-29 06:05:20,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:20,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661838433] [2022-01-29 06:05:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-29 06:05:20,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:20,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661838433] [2022-01-29 06:05:20,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661838433] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 06:05:20,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 06:05:20,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 06:05:20,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17654475] [2022-01-29 06:05:20,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:05:20,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 06:05:20,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:20,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 06:05:20,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-29 06:05:20,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:20,615 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:20,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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) [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:22,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-29 06:05:22,693 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:22,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:22,694 INFO L85 PathProgramCache]: Analyzing trace with hash -994713352, now seen corresponding path program 3 times [2022-01-29 06:05:22,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:22,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348350889] [2022-01-29 06:05:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:22,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:22,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:22,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348350889] [2022-01-29 06:05:22,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348350889] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:05:22,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979831867] [2022-01-29 06:05:22,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 06:05:22,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:05:22,815 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:05:22,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-29 06:05:22,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-29 06:05:22,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:05:22,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-29 06:05:22,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:05:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:05:23,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:05:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:05:23,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979831867] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:05:23,201 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:05:23,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-01-29 06:05:23,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347292076] [2022-01-29 06:05:23,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:05:23,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-29 06:05:23,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:23,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-29 06:05:23,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-01-29 06:05:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:23,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:23,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 17 states have internal predecessors, (208), 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) [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:23,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:31,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-01-29 06:05:31,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-29 06:05:31,964 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:31,964 INFO L85 PathProgramCache]: Analyzing trace with hash 495690863, now seen corresponding path program 3 times [2022-01-29 06:05:31,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:31,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081926211] [2022-01-29 06:05:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:31,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:05:33,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:33,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081926211] [2022-01-29 06:05:33,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081926211] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:05:33,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733165436] [2022-01-29 06:05:33,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 06:05:33,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:33,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:05:33,434 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:05:33,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-29 06:05:33,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-29 06:05:33,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:05:33,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 37 conjunts are in the unsatisfiable core [2022-01-29 06:05:33,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:05:34,643 INFO L354 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-01-29 06:05:34,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 54 [2022-01-29 06:05:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:05:35,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:05:39,625 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-01-29 06:05:39,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 80 [2022-01-29 06:05:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:05:40,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733165436] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:05:40,378 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:05:40,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 24, 23] total 71 [2022-01-29 06:05:40,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558301172] [2022-01-29 06:05:40,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:05:40,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-01-29 06:05:40,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:40,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-01-29 06:05:40,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=4656, Unknown=1, NotChecked=0, Total=4970 [2022-01-29 06:05:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:40,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:40,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.704225352112676) internal successors, (334), 71 states have internal predecessors, (334), 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) [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:40,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:40,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:05:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-01-29 06:05:57,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-29 06:05:57,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-01-29 06:05:57,747 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:05:57,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:05:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash -361893677, now seen corresponding path program 2 times [2022-01-29 06:05:57,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:05:57,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185322073] [2022-01-29 06:05:57,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:05:57,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:05:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:05:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:57,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:05:57,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185322073] [2022-01-29 06:05:57,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185322073] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:05:57,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192308722] [2022-01-29 06:05:57,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 06:05:57,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:05:57,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:05:57,866 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:05:57,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-29 06:05:57,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 06:05:57,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:05:57,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-29 06:05:57,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:05:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:58,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:05:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:05:58,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192308722] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:05:58,866 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:05:58,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 31 [2022-01-29 06:05:58,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068647720] [2022-01-29 06:05:58,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:05:58,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-29 06:05:58,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:05:58,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-29 06:05:58,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2022-01-29 06:05:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:58,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:05:58,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.903225806451613) internal successors, (245), 31 states have internal predecessors, (245), 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) [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-01-29 06:05:58,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:06:11,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-29 06:06:11,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:11,758 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:06:11,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:06:11,758 INFO L85 PathProgramCache]: Analyzing trace with hash 9508618, now seen corresponding path program 4 times [2022-01-29 06:06:11,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:06:11,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442203292] [2022-01-29 06:06:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:06:11,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:06:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:06:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:06:11,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:06:11,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442203292] [2022-01-29 06:06:11,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442203292] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:06:11,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070756804] [2022-01-29 06:06:11,940 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 06:06:11,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:06:11,953 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:06:12,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-29 06:06:12,110 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 06:06:12,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:06:12,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-29 06:06:12,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:06:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:06:12,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:06:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:06:12,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070756804] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-29 06:06:12,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-29 06:06:12,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 25 [2022-01-29 06:06:12,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617659515] [2022-01-29 06:06:12,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:06:12,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-29 06:06:12,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:06:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-29 06:06:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-01-29 06:06:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:12,751 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:06:12,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 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) [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:12,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:06:12,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:06:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:06:24,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-29 06:06:24,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:24,867 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:06:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:06:24,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1184446413, now seen corresponding path program 4 times [2022-01-29 06:06:24,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:06:24,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015615973] [2022-01-29 06:06:24,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:06:24,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:06:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:06:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:06:26,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:06:26,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015615973] [2022-01-29 06:06:26,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015615973] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:06:26,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535855330] [2022-01-29 06:06:26,613 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 06:06:26,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:26,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:06:26,618 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:06:26,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-29 06:06:26,723 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 06:06:26,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:06:26,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 57 conjunts are in the unsatisfiable core [2022-01-29 06:06:26,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:06:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 06:06:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 06:06:28,322 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 06:06:28,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 57 [2022-01-29 06:06:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:06:29,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:06:31,059 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-01-29 06:06:31,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 80 [2022-01-29 06:06:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 06:06:32,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535855330] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:06:32,450 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:06:32,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 35, 31] total 95 [2022-01-29 06:06:32,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643118883] [2022-01-29 06:06:32,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:06:32,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-01-29 06:06:32,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:06:32,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-01-29 06:06:32,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=768, Invalid=8162, Unknown=0, NotChecked=0, Total=8930 [2022-01-29 06:06:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:32,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:06:32,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 4.042105263157895) internal successors, (384), 95 states have internal predecessors, (384), 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) [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:06:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:06:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:06:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 06:06:52,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-29 06:06:52,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:52,964 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:06:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:06:52,965 INFO L85 PathProgramCache]: Analyzing trace with hash -2060545397, now seen corresponding path program 3 times [2022-01-29 06:06:52,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:06:52,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040322036] [2022-01-29 06:06:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:06:52,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:06:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:06:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:06:53,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:06:53,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040322036] [2022-01-29 06:06:53,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040322036] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:06:53,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771364904] [2022-01-29 06:06:53,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 06:06:53,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:06:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:06:53,115 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:06:53,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-29 06:06:53,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-29 06:06:53,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:06:53,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-29 06:06:53,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:06:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:06:53,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:06:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:06:53,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771364904] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:06:53,735 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:06:53,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 22 [2022-01-29 06:06:53,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165361182] [2022-01-29 06:06:53,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:06:53,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-29 06:06:53,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:06:53,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-29 06:06:53,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2022-01-29 06:06:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:53,736 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:06:53,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.818181818181818) internal successors, (282), 22 states have internal predecessors, (282), 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) [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:06:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 06:06:53,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 06:07:09,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-01-29 06:07:10,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:10,102 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:07:10,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:07:10,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1694482046, now seen corresponding path program 5 times [2022-01-29 06:07:10,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:07:10,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130614905] [2022-01-29 06:07:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:07:10,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:07:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:07:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:10,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:07:10,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130614905] [2022-01-29 06:07:10,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130614905] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:07:10,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521864908] [2022-01-29 06:07:10,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 06:07:10,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:07:10,246 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:07:10,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-29 06:07:10,355 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-29 06:07:10,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:07:10,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-29 06:07:10,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:07:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:07:10,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:07:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-29 06:07:10,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521864908] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:07:10,769 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:07:10,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2022-01-29 06:07:10,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516970102] [2022-01-29 06:07:10,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:07:10,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-29 06:07:10,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:07:10,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-29 06:07:10,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-29 06:07:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:10,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:07:10,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.9375) internal successors, (207), 16 states have internal predecessors, (207), 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) [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:10,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 06:07:10,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 06:07:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 06:07:26,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-01-29 06:07:26,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:26,956 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:07:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:07:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1513498061, now seen corresponding path program 4 times [2022-01-29 06:07:26,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:07:26,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379052987] [2022-01-29 06:07:26,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:07:26,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:07:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:07:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:27,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:07:27,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379052987] [2022-01-29 06:07:27,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379052987] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:07:27,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006193092] [2022-01-29 06:07:27,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 06:07:27,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:07:27,056 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:07:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-29 06:07:27,150 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 06:07:27,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:07:27,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-29 06:07:27,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:07:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:27,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:07:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:27,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006193092] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 06:07:27,625 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 06:07:27,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 29 [2022-01-29 06:07:27,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159557077] [2022-01-29 06:07:27,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 06:07:27,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-29 06:07:27,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:07:27,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-29 06:07:27,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2022-01-29 06:07:27,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:27,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:07:27,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.620689655172414) internal successors, (221), 29 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:27,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 06:07:27,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-29 06:07:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 06:07:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-29 06:07:45,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-01-29 06:07:45,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:45,840 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 06:07:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 06:07:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash -704434488, now seen corresponding path program 6 times [2022-01-29 06:07:45,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 06:07:45,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213537733] [2022-01-29 06:07:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 06:07:45,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 06:07:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 06:07:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:45,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 06:07:45,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213537733] [2022-01-29 06:07:45,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213537733] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 06:07:45,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800227595] [2022-01-29 06:07:45,935 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 06:07:45,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 06:07:45,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 06:07:45,937 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 06:07:45,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-29 06:07:46,032 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2022-01-29 06:07:46,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 06:07:46,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-29 06:07:46,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 06:07:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:46,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 06:07:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 06:07:46,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800227595] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-29 06:07:46,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-29 06:07:46,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 24 [2022-01-29 06:07:46,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909826767] [2022-01-29 06:07:46,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 06:07:46,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-29 06:07:46,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 06:07:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-29 06:07:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-01-29 06:07:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:46,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 06:07:46,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 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) [2022-01-29 06:07:46,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 06:07:46,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-29 06:07:46,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-01-29 06:07:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.