/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 17:24:07,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 17:24:07,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 17:24:07,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 17:24:07,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 17:24:07,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 17:24:07,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 17:24:07,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 17:24:07,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 17:24:07,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 17:24:07,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 17:24:07,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 17:24:07,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 17:24:07,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 17:24:07,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 17:24:07,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 17:24:07,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 17:24:07,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 17:24:07,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 17:24:07,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 17:24:07,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 17:24:07,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 17:24:07,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 17:24:07,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 17:24:07,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 17:24:07,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 17:24:07,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 17:24:07,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 17:24:07,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 17:24:07,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 17:24:07,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 17:24:07,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 17:24:07,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 17:24:07,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 17:24:07,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 17:24:07,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 17:24:07,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 17:24:07,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 17:24:07,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 17:24:07,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 17:24:07,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 17:24:07,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 17:24:07,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 17:24:07,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 17:24:07,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 17:24:07,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 17:24:07,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 17:24:07,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 17:24:07,159 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 17:24:07,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 17:24:07,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 17:24:07,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 17:24:07,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 17:24:07,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 17:24:07,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 17:24:07,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 17:24:07,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 17:24:07,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 17:24:07,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:24:07,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 17:24:07,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 17:24:07,163 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 17:24:07,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 17:24:07,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 17:24:07,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 17:24:07,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 17:24:07,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 17:24:07,444 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 17:24:07,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2021-08-07 17:24:07,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c4eb9e7/15c8114092e64805a3e4741df9193741/FLAG0e8995586 [2021-08-07 17:24:07,897 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 17:24:07,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2021-08-07 17:24:07,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c4eb9e7/15c8114092e64805a3e4741df9193741/FLAG0e8995586 [2021-08-07 17:24:08,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c4eb9e7/15c8114092e64805a3e4741df9193741 [2021-08-07 17:24:08,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 17:24:08,288 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 17:24:08,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 17:24:08,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 17:24:08,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 17:24:08,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3858f201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08, skipping insertion in model container [2021-08-07 17:24:08,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 17:24:08,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 17:24:08,564 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i[30035,30048] [2021-08-07 17:24:08,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:24:08,584 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 17:24:08,612 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i[30035,30048] [2021-08-07 17:24:08,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:24:08,649 INFO L208 MainTranslator]: Completed translation [2021-08-07 17:24:08,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08 WrapperNode [2021-08-07 17:24:08,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 17:24:08,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 17:24:08,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 17:24:08,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 17:24:08,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 17:24:08,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 17:24:08,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 17:24:08,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 17:24:08,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 17:24:08,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 17:24:08,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 17:24:08,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 17:24:08,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (1/1) ... [2021-08-07 17:24:08,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:24:08,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:08,766 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) [2021-08-07 17:24:08,790 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 [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-07 17:24:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-07 17:24:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 17:24:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 17:24:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 17:24:08,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 17:24:09,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 17:24:09,169 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-08-07 17:24:09,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:24:09 BoogieIcfgContainer [2021-08-07 17:24:09,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 17:24:09,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 17:24:09,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 17:24:09,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 17:24:09,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:24:08" (1/3) ... [2021-08-07 17:24:09,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b73ae26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:24:09, skipping insertion in model container [2021-08-07 17:24:09,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:24:08" (2/3) ... [2021-08-07 17:24:09,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b73ae26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:24:09, skipping insertion in model container [2021-08-07 17:24:09,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:24:09" (3/3) ... [2021-08-07 17:24:09,176 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2021-08-07 17:24:09,180 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 17:24:09,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 17:24:09,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 17:24:09,181 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 17:24:09,202 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,202 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,208 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,208 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,210 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,222 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,222 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,222 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:09,223 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:24:09,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:09,253 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) [2021-08-07 17:24:09,254 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 [2021-08-07 17:24:09,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-08-07 17:24:09,275 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, mConcurrency=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 [2021-08-07 17:24:09,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:24:09,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:09,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1049085469, now seen corresponding path program 1 times [2021-08-07 17:24:09,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:09,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366803128] [2021-08-07 17:24:09,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:09,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:09,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:09,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366803128] [2021-08-07 17:24:09,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366803128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:09,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:09,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:24:09,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910576952] [2021-08-07 17:24:09,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:24:09,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:09,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:24:09,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:24:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:09,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:09,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:09,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:09,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:09,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 17:24:09,484 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:09,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:09,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1284678035, now seen corresponding path program 1 times [2021-08-07 17:24:09,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:09,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836215290] [2021-08-07 17:24:09,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:09,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:09,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:09,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836215290] [2021-08-07 17:24:09,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836215290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:09,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:09,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 17:24:09,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275218569] [2021-08-07 17:24:09,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 17:24:09,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:09,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 17:24:09,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 17:24:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:09,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:09,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:09,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:09,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:10,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 17:24:10,054 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:10,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:10,054 INFO L82 PathProgramCache]: Analyzing trace with hash -752136602, now seen corresponding path program 1 times [2021-08-07 17:24:10,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:10,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216749581] [2021-08-07 17:24:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:10,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:10,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:10,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216749581] [2021-08-07 17:24:10,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216749581] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:10,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672048476] [2021-08-07 17:24:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:10,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:10,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:10,228 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) [2021-08-07 17:24:10,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 17:24:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:10,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 17:24:10,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:11,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672048476] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:11,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:11,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-08-07 17:24:11,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044476796] [2021-08-07 17:24:11,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 17:24:11,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 17:24:11,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-08-07 17:24:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:11,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:11,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:11,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:11,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:11,564 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,SelfDestructingSolverStorable2 [2021-08-07 17:24:11,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:11,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:11,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1885899450, now seen corresponding path program 1 times [2021-08-07 17:24:11,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:11,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570647748] [2021-08-07 17:24:11,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:11,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:11,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:11,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570647748] [2021-08-07 17:24:11,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570647748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:11,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641455300] [2021-08-07 17:24:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:11,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:11,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:11,729 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) [2021-08-07 17:24:11,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 17:24:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:11,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 17:24:11,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:12,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641455300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:12,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:12,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 17:24:12,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238556615] [2021-08-07 17:24:12,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 17:24:12,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:12,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 17:24:12,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-07 17:24:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:12,499 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:12,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.85) internal successors, (117), 20 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:24:12,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:12,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:12,890 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:12,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1164195949, now seen corresponding path program 1 times [2021-08-07 17:24:12,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:12,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181296158] [2021-08-07 17:24:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:12,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:13,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:13,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181296158] [2021-08-07 17:24:13,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181296158] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:13,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:13,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-07 17:24:13,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295639057] [2021-08-07 17:24:13,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 17:24:13,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:13,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 17:24:13,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-08-07 17:24:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:13,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:24:13,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 17:24:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:24:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:24:13,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:24:13,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 17:24:13,316 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-08-07 17:24:13,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,328 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:24:13,329 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, mConcurrency=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 [2021-08-07 17:24:13,329 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 17:24:13,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-08-07 17:24:13,360 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,360 INFO L82 PathProgramCache]: Analyzing trace with hash 637528122, now seen corresponding path program 1 times [2021-08-07 17:24:13,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332024317] [2021-08-07 17:24:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 17:24:13,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:13,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332024317] [2021-08-07 17:24:13,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332024317] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:13,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:13,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:24:13,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351096396] [2021-08-07 17:24:13,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:24:13,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:24:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:24:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:13,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:13,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 17:24:13,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1246810762, now seen corresponding path program 1 times [2021-08-07 17:24:13,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323074699] [2021-08-07 17:24:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,410 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 17:24:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 17:24:13,449 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 17:24:13,450 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:24:13,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:24:13,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 17:24:13,452 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2021-08-07 17:24:13,452 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-08-07 17:24:13,454 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-08-07 17:24:13,467 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,468 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,469 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,471 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,472 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,479 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,481 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:24:13,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,483 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2021-08-07 17:24:13,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:24:13,485 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, mConcurrency=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 [2021-08-07 17:24:13,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 17:24:13,524 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,524 INFO L82 PathProgramCache]: Analyzing trace with hash -950717295, now seen corresponding path program 1 times [2021-08-07 17:24:13,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169864525] [2021-08-07 17:24:13,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-07 17:24:13,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:13,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169864525] [2021-08-07 17:24:13,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169864525] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:13,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:13,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:24:13,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034734866] [2021-08-07 17:24:13,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:24:13,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:13,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:24:13,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:24:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,549 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:13,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:13,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 17:24:13,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1226458764, now seen corresponding path program 1 times [2021-08-07 17:24:13,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960331843] [2021-08-07 17:24:13,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,571 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 17:24:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 17:24:13,590 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 17:24:13,590 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:24:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:24:13,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-07 17:24:13,591 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/3) [2021-08-07 17:24:13,591 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-08-07 17:24:13,591 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-08-07 17:24:13,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,618 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,618 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,618 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,618 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,618 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,619 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,633 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:24:13,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2021-08-07 17:24:13,646 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, mConcurrency=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 [2021-08-07 17:24:13,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:24:13,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:24:13,648 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was SAFE (1/4) [2021-08-07 17:24:13,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2021-08-07 17:24:13,653 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-08-07 17:24:13,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:24:13,661 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, mConcurrency=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 [2021-08-07 17:24:13,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 17:24:13,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,726 INFO L82 PathProgramCache]: Analyzing trace with hash -530321978, now seen corresponding path program 1 times [2021-08-07 17:24:13,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312558157] [2021-08-07 17:24:13,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-08-07 17:24:13,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:13,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312558157] [2021-08-07 17:24:13,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312558157] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:13,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:13,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:24:13,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522952225] [2021-08-07 17:24:13,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:24:13,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:24:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:24:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:13,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:13,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-07 17:24:13,743 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:24:13,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1014214034, now seen corresponding path program 1 times [2021-08-07 17:24:13,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885749184] [2021-08-07 17:24:13,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 17:24:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 17:24:13,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 17:24:13,810 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 17:24:13,810 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:24:13,810 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:24:13,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-07 17:24:13,814 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/4) [2021-08-07 17:24:13,814 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-08-07 17:24:13,814 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,831 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,852 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:24:13,853 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:24:13,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2021-08-07 17:24:13,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of4ForFork0 ======== [2021-08-07 17:24:13,909 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, mConcurrency=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 [2021-08-07 17:24:13,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:24:13,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:24:13,912 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread3of4ForFork0 was SAFE (1/5) [2021-08-07 17:24:13,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2021-08-07 17:24:13,920 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread4of4ForFork0 ======== [2021-08-07 17:24:13,920 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, mConcurrency=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 [2021-08-07 17:24:13,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:24:13,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:24:13,922 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread4of4ForFork0 was SAFE (2/5) [2021-08-07 17:24:13,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:24:13,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:13,929 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:24:13,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2021-08-07 17:24:13,931 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of4ForFork0 ======== [2021-08-07 17:24:13,932 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, mConcurrency=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 [2021-08-07 17:24:13,932 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 17:24:13,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:13,992 INFO L82 PathProgramCache]: Analyzing trace with hash -543124260, now seen corresponding path program 1 times [2021-08-07 17:24:13,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:13,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663812162] [2021-08-07 17:24:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:13,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:14,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:14,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663812162] [2021-08-07 17:24:14,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663812162] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:14,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:14,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:24:14,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977699849] [2021-08-07 17:24:14,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:24:14,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:24:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:24:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:14,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:14,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-07 17:24:14,013 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:14,013 INFO L82 PathProgramCache]: Analyzing trace with hash 718333907, now seen corresponding path program 1 times [2021-08-07 17:24:14,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:14,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083290559] [2021-08-07 17:24:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:14,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:14,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:14,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083290559] [2021-08-07 17:24:14,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083290559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:14,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:14,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 17:24:14,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484743108] [2021-08-07 17:24:14,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 17:24:14,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 17:24:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 17:24:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,109 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:14,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:14,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-07 17:24:14,254 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:14,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:14,255 INFO L82 PathProgramCache]: Analyzing trace with hash -359246563, now seen corresponding path program 1 times [2021-08-07 17:24:14,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:14,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035695913] [2021-08-07 17:24:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:14,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:14,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:14,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035695913] [2021-08-07 17:24:14,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035695913] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:14,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977620977] [2021-08-07 17:24:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:14,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:14,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:14,350 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) [2021-08-07 17:24:14,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 17:24:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:14,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 17:24:14,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:15,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977620977] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:15,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:15,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-08-07 17:24:15,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602137277] [2021-08-07 17:24:15,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 17:24:15,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:15,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 17:24:15,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-08-07 17:24:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:15,067 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:15,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:15,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:15,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:15,539 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 [2021-08-07 17:24:15,540 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:15,540 INFO L82 PathProgramCache]: Analyzing trace with hash 665837179, now seen corresponding path program 1 times [2021-08-07 17:24:15,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:15,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339391392] [2021-08-07 17:24:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:15,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:15,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:15,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339391392] [2021-08-07 17:24:15,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339391392] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:15,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080419973] [2021-08-07 17:24:15,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:15,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:15,640 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) [2021-08-07 17:24:15,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 17:24:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:15,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 17:24:15,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:16,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080419973] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:16,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:16,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 17:24:16,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679397403] [2021-08-07 17:24:16,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 17:24:16,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:16,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 17:24:16,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-07 17:24:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:16,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:16,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 20 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:16,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:16,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:16,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:16,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:16,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:16,917 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,SelfDestructingSolverStorable14 [2021-08-07 17:24:16,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:16,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:16,918 INFO L82 PathProgramCache]: Analyzing trace with hash -486455518, now seen corresponding path program 1 times [2021-08-07 17:24:16,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:16,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806516839] [2021-08-07 17:24:16,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:16,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-07 17:24:17,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:17,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806516839] [2021-08-07 17:24:17,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806516839] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:17,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280547405] [2021-08-07 17:24:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:17,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:17,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:17,017 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) [2021-08-07 17:24:17,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 17:24:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:17,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-07 17:24:17,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:18,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280547405] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:18,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:18,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-08-07 17:24:18,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407899875] [2021-08-07 17:24:18,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-07 17:24:18,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:18,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-07 17:24:18,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2021-08-07 17:24:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:18,230 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:18,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.863636363636363) internal successors, (173), 22 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 17:24:18,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:18,820 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,SelfDestructingSolverStorable15 [2021-08-07 17:24:18,821 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash -34545382, now seen corresponding path program 1 times [2021-08-07 17:24:18,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:18,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608624056] [2021-08-07 17:24:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:18,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-07 17:24:18,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:18,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608624056] [2021-08-07 17:24:18,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608624056] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:18,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712312142] [2021-08-07 17:24:18,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:18,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:18,929 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) [2021-08-07 17:24:18,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 17:24:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:19,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 17:24:19,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:20,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712312142] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:20,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:20,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-08-07 17:24:20,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794408981] [2021-08-07 17:24:20,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-07 17:24:20,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-07 17:24:20,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-08-07 17:24:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:20,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:20,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 17:24:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 17:24:20,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:21,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:21,196 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:21,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:21,197 INFO L82 PathProgramCache]: Analyzing trace with hash 696697198, now seen corresponding path program 1 times [2021-08-07 17:24:21,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:21,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707573908] [2021-08-07 17:24:21,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:21,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 17:24:21,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:21,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707573908] [2021-08-07 17:24:21,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707573908] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:21,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720852533] [2021-08-07 17:24:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:21,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:21,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:21,351 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) [2021-08-07 17:24:21,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 17:24:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:21,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 17:24:21,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:22,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720852533] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:22,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:22,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-08-07 17:24:22,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695876500] [2021-08-07 17:24:22,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 17:24:22,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:22,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 17:24:22,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-08-07 17:24:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:22,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:22,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.5) internal successors, (225), 30 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 17:24:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:24:23,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:24,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-07 17:24:24,062 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:24,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:24,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1429628247, now seen corresponding path program 1 times [2021-08-07 17:24:24,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:24,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986196445] [2021-08-07 17:24:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:24,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-07 17:24:24,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:24,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986196445] [2021-08-07 17:24:24,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986196445] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:24:24,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:24:24,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 17:24:24,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541913398] [2021-08-07 17:24:24,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 17:24:24,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:24,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 17:24:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 17:24:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:24,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:24,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:24:24,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:24:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:24,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-07 17:24:24,188 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:24,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:24,188 INFO L82 PathProgramCache]: Analyzing trace with hash -33532758, now seen corresponding path program 1 times [2021-08-07 17:24:24,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:24,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798342445] [2021-08-07 17:24:24,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:24,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-07 17:24:24,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:24,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798342445] [2021-08-07 17:24:24,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798342445] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:24,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998276868] [2021-08-07 17:24:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:24,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:24,337 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) [2021-08-07 17:24:24,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 17:24:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:24,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 17:24:24,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:25,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998276868] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:25,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:25,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-08-07 17:24:25,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265118205] [2021-08-07 17:24:25,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 17:24:25,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:25,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 17:24:25,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-08-07 17:24:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:25,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:25,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.366666666666666) internal successors, (221), 30 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) [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:24:25,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:25,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:27,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:27,552 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 [2021-08-07 17:24:27,552 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:27,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:27,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1259803828, now seen corresponding path program 1 times [2021-08-07 17:24:27,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:27,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964697357] [2021-08-07 17:24:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:27,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:27,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:27,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964697357] [2021-08-07 17:24:27,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964697357] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:27,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015606170] [2021-08-07 17:24:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:27,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:27,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:27,692 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) [2021-08-07 17:24:27,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 17:24:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:28,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 17:24:28,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:29,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015606170] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:29,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:29,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-08-07 17:24:29,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032071886] [2021-08-07 17:24:29,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-07 17:24:29,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:29,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-07 17:24:29,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-08-07 17:24:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:29,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:29,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.892857142857143) internal successors, (193), 28 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:29,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 17:24:29,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:30,156 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 [2021-08-07 17:24:30,157 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:30,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:30,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1222921736, now seen corresponding path program 1 times [2021-08-07 17:24:30,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:30,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012846613] [2021-08-07 17:24:30,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:30,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 59 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 17:24:30,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:30,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012846613] [2021-08-07 17:24:30,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012846613] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:30,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811789592] [2021-08-07 17:24:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:30,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:30,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:30,303 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) [2021-08-07 17:24:30,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-07 17:24:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:30,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 17:24:30,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:31,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811789592] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:31,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:31,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-08-07 17:24:31,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868261282] [2021-08-07 17:24:31,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 17:24:31,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 17:24:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2021-08-07 17:24:31,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:31,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:31,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.566666666666666) internal successors, (227), 30 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:31,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 17:24:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 17:24:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:24:33,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:33,515 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 [2021-08-07 17:24:33,516 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:33,516 INFO L82 PathProgramCache]: Analyzing trace with hash 900667336, now seen corresponding path program 1 times [2021-08-07 17:24:33,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:33,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374537489] [2021-08-07 17:24:33,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:33,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:33,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:33,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374537489] [2021-08-07 17:24:33,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374537489] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:33,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119955451] [2021-08-07 17:24:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:33,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:33,698 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) [2021-08-07 17:24:33,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-07 17:24:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:34,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:24:34,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:35,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119955451] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:35,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:35,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-08-07 17:24:35,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000076701] [2021-08-07 17:24:35,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 17:24:35,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:35,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 17:24:35,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 17:24:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:35,531 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:35,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.694444444444445) internal successors, (241), 36 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:24:35,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 17:24:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 17:24:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 17:24:37,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:37,924 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 [2021-08-07 17:24:37,925 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:37,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:37,925 INFO L82 PathProgramCache]: Analyzing trace with hash 170437380, now seen corresponding path program 1 times [2021-08-07 17:24:37,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:37,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463163715] [2021-08-07 17:24:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:37,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:38,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:38,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463163715] [2021-08-07 17:24:38,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463163715] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:38,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801934414] [2021-08-07 17:24:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:38,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:38,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:38,121 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) [2021-08-07 17:24:38,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-07 17:24:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:38,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:24:38,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:40,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801934414] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:40,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:40,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-08-07 17:24:40,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027808405] [2021-08-07 17:24:40,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 17:24:40,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:40,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 17:24:40,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 17:24:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:40,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:40,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.694444444444445) internal successors, (241), 36 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-07 17:24:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:24:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-08-07 17:24:45,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:45,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-08-07 17:24:45,586 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:45,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:45,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1890121202, now seen corresponding path program 1 times [2021-08-07 17:24:45,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:45,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436392672] [2021-08-07 17:24:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:45,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:45,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:45,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436392672] [2021-08-07 17:24:45,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436392672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:45,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984490744] [2021-08-07 17:24:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:45,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:45,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:45,727 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:24:45,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-07 17:24:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:46,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 17:24:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:47,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984490744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:47,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:47,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-08-07 17:24:47,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194334183] [2021-08-07 17:24:47,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-07 17:24:47,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:47,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-07 17:24:47,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-08-07 17:24:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:47,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:47,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.892857142857143) internal successors, (193), 28 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-08-07 17:24:47,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:24:49,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:24:49,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:24:49,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:49,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-07 17:24:49,408 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1385203048, now seen corresponding path program 1 times [2021-08-07 17:24:49,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:49,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985031314] [2021-08-07 17:24:49,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:49,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-07 17:24:49,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:49,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985031314] [2021-08-07 17:24:49,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985031314] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:49,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426991919] [2021-08-07 17:24:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:49,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:49,545 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:24:49,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-07 17:24:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:50,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 17:24:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:51,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426991919] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:51,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:51,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-08-07 17:24:51,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42052765] [2021-08-07 17:24:51,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 17:24:51,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:51,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 17:24:51,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2021-08-07 17:24:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:51,550 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:51,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.366666666666666) internal successors, (221), 30 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) [2021-08-07 17:24:51,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:51,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:51,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:24:51,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-08-07 17:24:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:24:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:24:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:24:53,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-07 17:24:54,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-07 17:24:54,123 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:24:54,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:24:54,124 INFO L82 PathProgramCache]: Analyzing trace with hash 228180926, now seen corresponding path program 2 times [2021-08-07 17:24:54,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:24:54,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332126045] [2021-08-07 17:24:54,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:24:54,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:24:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:24:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:54,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:24:54,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332126045] [2021-08-07 17:24:54,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332126045] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:54,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589122975] [2021-08-07 17:24:54,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:24:54,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:24:54,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:24:54,307 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:24:54,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-08-07 17:24:55,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:24:55,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:24:55,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 17:24:55,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:24:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:24:56,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589122975] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:24:56,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:24:56,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 31 [2021-08-07 17:24:56,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075229337] [2021-08-07 17:24:56,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:24:56,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:24:56,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:24:56,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:24:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:56,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:24:56,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.774193548387097) internal successors, (241), 31 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:24:56,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:25:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-08-07 17:25:04,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-08-07 17:25:04,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:04,385 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:04,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:04,385 INFO L82 PathProgramCache]: Analyzing trace with hash 324713715, now seen corresponding path program 1 times [2021-08-07 17:25:04,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:04,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701677400] [2021-08-07 17:25:04,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:04,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:04,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:04,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701677400] [2021-08-07 17:25:04,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701677400] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:04,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777921721] [2021-08-07 17:25:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:04,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:04,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:04,568 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:04,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-07 17:25:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:05,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:25:05,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 48 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:06,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777921721] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:06,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:06,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:25:06,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881399184] [2021-08-07 17:25:06,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:25:06,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:25:06,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1259, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:25:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:06,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:06,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.552631578947368) internal successors, (249), 38 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:06,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-08-07 17:25:06,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 17:25:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:25:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:25:13,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-08-07 17:25:13,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-07 17:25:13,614 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:13,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:13,614 INFO L82 PathProgramCache]: Analyzing trace with hash -484059723, now seen corresponding path program 1 times [2021-08-07 17:25:13,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:13,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257392022] [2021-08-07 17:25:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:13,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 17:25:13,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:13,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257392022] [2021-08-07 17:25:13,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257392022] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:13,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286344985] [2021-08-07 17:25:13,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:13,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:13,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:13,800 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:13,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-07 17:25:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:14,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:25:14,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286344985] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:16,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:16,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:25:16,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879226950] [2021-08-07 17:25:16,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:25:16,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:25:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1243, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:25:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:16,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:16,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:16,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:25:16,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:25:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-08-07 17:25:20,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-08-07 17:25:20,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-07 17:25:20,717 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:20,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:20,717 INFO L82 PathProgramCache]: Analyzing trace with hash -892584285, now seen corresponding path program 2 times [2021-08-07 17:25:20,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:20,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108581835] [2021-08-07 17:25:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:20,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 17:25:20,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:20,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108581835] [2021-08-07 17:25:20,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108581835] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:20,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900857950] [2021-08-07 17:25:20,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:25:20,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:20,897 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:20,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-07 17:25:22,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-07 17:25:22,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:25:22,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 17:25:22,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-08-07 17:25:23,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900857950] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:25:23,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-07 17:25:23,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [19] total 31 [2021-08-07 17:25:23,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091015527] [2021-08-07 17:25:23,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-07 17:25:23,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:23,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-07 17:25:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=820, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:25:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:23,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:23,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:23,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-08-07 17:25:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:32,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-08-07 17:25:32,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:32,864 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:32,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:32,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1304188811, now seen corresponding path program 1 times [2021-08-07 17:25:32,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:32,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667565744] [2021-08-07 17:25:32,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:32,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:32,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:32,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667565744] [2021-08-07 17:25:32,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667565744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:32,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372907180] [2021-08-07 17:25:32,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:32,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:32,948 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:32,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-07 17:25:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:34,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 17:25:34,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:35,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372907180] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:35,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:35,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 17:25:35,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730098855] [2021-08-07 17:25:35,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 17:25:35,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:35,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 17:25:35,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-07 17:25:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:35,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:35,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.65) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:35,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:38,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-08-07 17:25:38,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:38,361 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash -410922511, now seen corresponding path program 1 times [2021-08-07 17:25:38,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:38,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262119909] [2021-08-07 17:25:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:38,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-07 17:25:38,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:38,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262119909] [2021-08-07 17:25:38,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262119909] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:38,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022566745] [2021-08-07 17:25:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:38,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:38,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:38,505 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:38,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-07 17:25:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:40,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:25:40,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:41,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022566745] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:41,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:41,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-08-07 17:25:41,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785878666] [2021-08-07 17:25:41,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-07 17:25:41,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:41,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-07 17:25:41,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=889, Unknown=0, NotChecked=0, Total=992 [2021-08-07 17:25:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:41,080 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:41,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.03125) internal successors, (225), 32 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-07 17:25:45,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-07 17:25:45,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:45,436 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:45,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1141198726, now seen corresponding path program 1 times [2021-08-07 17:25:45,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:45,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612136351] [2021-08-07 17:25:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:45,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 17:25:45,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:45,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612136351] [2021-08-07 17:25:45,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612136351] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:45,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572257950] [2021-08-07 17:25:45,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:45,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:45,593 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:45,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-08-07 17:25:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:47,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 17:25:47,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:48,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572257950] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:48,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:48,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-08-07 17:25:48,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470909519] [2021-08-07 17:25:48,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 17:25:48,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:48,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 17:25:48,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2021-08-07 17:25:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:48,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:48,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.1) internal successors, (213), 30 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:48,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-07 17:25:48,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-08-07 17:25:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-07 17:25:52,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-08-07 17:25:52,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:52,358 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:25:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:25:52,358 INFO L82 PathProgramCache]: Analyzing trace with hash -308082651, now seen corresponding path program 1 times [2021-08-07 17:25:52,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:25:52,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530809115] [2021-08-07 17:25:52,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:52,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:25:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:52,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:25:52,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530809115] [2021-08-07 17:25:52,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530809115] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:52,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703830036] [2021-08-07 17:25:52,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:25:52,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:25:52,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:25:52,553 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:25:52,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-08-07 17:25:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:25:54,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:25:54,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:25:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:25:55,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703830036] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:25:55,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:25:55,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:25:55,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539886317] [2021-08-07 17:25:55,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:25:55,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:25:55,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:25:55,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1286, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:25:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:55,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:25:55,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.552631578947368) internal successors, (249), 38 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:25:55,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-07 17:25:55,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-07 17:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:26:02,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-08-07 17:26:02,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-08-07 17:26:02,321 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1215472981, now seen corresponding path program 1 times [2021-08-07 17:26:02,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:02,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103231464] [2021-08-07 17:26:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:02,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 73 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 17:26:02,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:02,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103231464] [2021-08-07 17:26:02,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103231464] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:02,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090634672] [2021-08-07 17:26:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:02,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:02,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:02,681 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:02,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-08-07 17:26:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:04,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:26:04,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:26:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:05,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090634672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:05,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:26:05,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:26:05,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175703872] [2021-08-07 17:26:05,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:26:05,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:26:05,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:26:05,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:26:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:05,530 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:26:05,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-07 17:26:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:26:05,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:13,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-08-07 17:26:13,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:13,454 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:13,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:13,454 INFO L82 PathProgramCache]: Analyzing trace with hash -179971002, now seen corresponding path program 1 times [2021-08-07 17:26:13,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:13,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822805470] [2021-08-07 17:26:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:13,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:13,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:13,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822805470] [2021-08-07 17:26:13,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822805470] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:13,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444354023] [2021-08-07 17:26:13,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:13,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:13,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:13,601 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:13,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-08-07 17:26:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:15,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 17:26:15,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:26:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:16,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444354023] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:16,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:26:16,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-08-07 17:26:16,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732809377] [2021-08-07 17:26:16,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-07 17:26:16,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:26:16,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-07 17:26:16,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2021-08-07 17:26:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:16,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:26:16,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:16,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:16,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 17:26:20,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-08-07 17:26:21,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:21,110 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash -998842019, now seen corresponding path program 1 times [2021-08-07 17:26:21,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:21,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117818083] [2021-08-07 17:26:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:21,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-07 17:26:21,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:21,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117818083] [2021-08-07 17:26:21,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117818083] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:21,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502699003] [2021-08-07 17:26:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:21,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:21,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:21,281 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:21,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-08-07 17:26:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:23,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:26:23,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:26:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:24,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502699003] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:24,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:26:24,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2021-08-07 17:26:24,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15203150] [2021-08-07 17:26:24,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 17:26:24,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:26:24,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 17:26:24,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 17:26:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:24,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:26:24,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.777777777777778) internal successors, (244), 36 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) [2021-08-07 17:26:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 17:26:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:26:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:31,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-08-07 17:26:32,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-08-07 17:26:32,074 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:32,074 INFO L82 PathProgramCache]: Analyzing trace with hash 995035238, now seen corresponding path program 1 times [2021-08-07 17:26:32,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:32,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735741520] [2021-08-07 17:26:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:32,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 17:26:32,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:32,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735741520] [2021-08-07 17:26:32,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735741520] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:32,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958176615] [2021-08-07 17:26:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:32,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:32,373 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:32,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-08-07 17:26:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:34,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:26:34,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:26:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:35,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958176615] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:35,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:26:35,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-08-07 17:26:35,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98476549] [2021-08-07 17:26:35,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-08-07 17:26:35,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:26:35,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-08-07 17:26:35,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2021-08-07 17:26:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:35,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:26:35,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.676470588235294) internal successors, (227), 34 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:35,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:35,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:26:42,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-08-07 17:26:42,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-08-07 17:26:42,800 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:42,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1543637009, now seen corresponding path program 1 times [2021-08-07 17:26:42,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:42,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567116343] [2021-08-07 17:26:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:42,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 17:26:42,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:42,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567116343] [2021-08-07 17:26:42,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567116343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:42,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871312268] [2021-08-07 17:26:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:42,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:42,994 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:42,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-08-07 17:26:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:44,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:26:44,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:26:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:26:46,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871312268] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:46,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:26:46,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 40 [2021-08-07 17:26:46,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92894787] [2021-08-07 17:26:46,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-08-07 17:26:46,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:26:46,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-08-07 17:26:46,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1444, Unknown=0, NotChecked=0, Total=1560 [2021-08-07 17:26:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:46,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:26:46,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.3) internal successors, (252), 40 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:46,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:26:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:26:46,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:26:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:26:58,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2021-08-07 17:26:58,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-08-07 17:26:58,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-08-07 17:26:58,997 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:26:58,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:26:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash 2038448082, now seen corresponding path program 1 times [2021-08-07 17:26:58,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:26:58,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143770978] [2021-08-07 17:26:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:58,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:26:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:26:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 17:26:59,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:26:59,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143770978] [2021-08-07 17:26:59,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143770978] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:26:59,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332943868] [2021-08-07 17:26:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:26:59,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:26:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:26:59,198 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:26:59,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-08-07 17:27:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:01,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:27:01,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:27:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 17:27:02,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332943868] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:02,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:27:02,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:27:02,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135231129] [2021-08-07 17:27:02,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:27:02,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:27:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:27:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:27:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:02,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:27:02,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.774193548387097) internal successors, (241), 31 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:02,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2021-08-07 17:27:02,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:27:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2021-08-07 17:27:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-07 17:27:12,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-08-07 17:27:12,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-08-07 17:27:12,196 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:27:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:27:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1227774655, now seen corresponding path program 1 times [2021-08-07 17:27:12,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:27:12,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301445238] [2021-08-07 17:27:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:12,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:27:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-07 17:27:12,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:27:12,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301445238] [2021-08-07 17:27:12,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301445238] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:12,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47302798] [2021-08-07 17:27:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:12,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:27:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:27:12,418 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:27:12,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-08-07 17:27:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:14,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:27:14,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:27:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:27:15,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47302798] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:15,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:27:15,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 42 [2021-08-07 17:27:15,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927880691] [2021-08-07 17:27:15,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-08-07 17:27:15,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:27:15,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-08-07 17:27:15,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1590, Unknown=0, NotChecked=0, Total=1722 [2021-08-07 17:27:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:15,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:27:15,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.0476190476190474) internal successors, (254), 42 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) [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-07 17:27:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:27:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-07 17:27:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:27:28,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-08-07 17:27:28,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:27:28,997 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:27:28,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:27:28,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1345838330, now seen corresponding path program 1 times [2021-08-07 17:27:28,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:27:28,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489685686] [2021-08-07 17:27:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:28,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:27:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-07 17:27:29,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:27:29,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489685686] [2021-08-07 17:27:29,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489685686] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:29,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131266649] [2021-08-07 17:27:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:29,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:27:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:27:29,171 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:27:29,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-08-07 17:27:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:31,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:27:31,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:27:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-07 17:27:32,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131266649] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:32,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:27:32,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:27:32,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344286650] [2021-08-07 17:27:32,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:27:32,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:27:32,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:27:32,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:27:32,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:32,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:27:32,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.67741935483871) internal successors, (238), 31 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:27:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2021-08-07 17:27:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:27:51,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-08-07 17:27:51,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-08-07 17:27:51,818 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:27:51,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:27:51,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1671086293, now seen corresponding path program 1 times [2021-08-07 17:27:51,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:27:51,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288702356] [2021-08-07 17:27:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:51,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:27:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 73 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 17:27:51,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:27:51,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288702356] [2021-08-07 17:27:51,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288702356] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:51,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114887657] [2021-08-07 17:27:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:27:51,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:27:51,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:27:51,996 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:27:51,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-08-07 17:27:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:27:54,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:27:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:27:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:27:55,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114887657] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:27:55,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:27:55,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:27:55,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277095556] [2021-08-07 17:27:55,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:27:55,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:27:55,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:27:55,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:27:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:55,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:27:55,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-08-07 17:27:55,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-08-07 17:27:55,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2021-08-07 17:27:55,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:27:55,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:07,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2021-08-07 17:28:07,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-08-07 17:28:07,324 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:28:07,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:28:07,324 INFO L82 PathProgramCache]: Analyzing trace with hash -2133115201, now seen corresponding path program 1 times [2021-08-07 17:28:07,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:28:07,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710905733] [2021-08-07 17:28:07,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:07,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:28:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 17:28:07,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:28:07,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710905733] [2021-08-07 17:28:07,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710905733] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:07,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816551882] [2021-08-07 17:28:07,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:07,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:07,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:28:07,507 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:28:07,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-08-07 17:28:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:09,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-07 17:28:09,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:28:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:28:11,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816551882] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:11,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:28:11,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2021-08-07 17:28:11,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574836175] [2021-08-07 17:28:11,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 17:28:11,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:28:11,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 17:28:11,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 17:28:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:11,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:28:11,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.5) internal successors, (247), 38 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:11,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:21,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-08-07 17:28:21,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-08-07 17:28:21,628 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:28:21,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:28:21,628 INFO L82 PathProgramCache]: Analyzing trace with hash 181080929, now seen corresponding path program 2 times [2021-08-07 17:28:21,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:28:21,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809230998] [2021-08-07 17:28:21,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:21,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:28:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 17:28:21,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:28:21,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809230998] [2021-08-07 17:28:21,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809230998] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:21,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565344498] [2021-08-07 17:28:21,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:28:21,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:28:21,832 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:28:21,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-08-07 17:28:24,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:28:24,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:28:24,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:28:24,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:28:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:28:25,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565344498] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:25,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:28:25,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 42 [2021-08-07 17:28:25,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180041068] [2021-08-07 17:28:25,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-08-07 17:28:25,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:28:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-08-07 17:28:25,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1588, Unknown=0, NotChecked=0, Total=1722 [2021-08-07 17:28:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:25,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:28:25,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.166666666666667) internal successors, (259), 42 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:25,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2021-08-07 17:28:38,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-08-07 17:28:39,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:39,080 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:28:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:28:39,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1683119740, now seen corresponding path program 1 times [2021-08-07 17:28:39,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:28:39,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226218168] [2021-08-07 17:28:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:39,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:28:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:28:39,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:28:39,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226218168] [2021-08-07 17:28:39,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226218168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:39,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045464573] [2021-08-07 17:28:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:39,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:39,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:28:39,446 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:28:39,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-08-07 17:28:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:41,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:28:41,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:28:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:28:43,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045464573] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:43,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:28:43,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-08-07 17:28:43,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463822498] [2021-08-07 17:28:43,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 17:28:43,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:28:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 17:28:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1144, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 17:28:43,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:43,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:28:43,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.638888888888889) internal successors, (239), 36 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2021-08-07 17:28:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2021-08-07 17:28:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:28:54,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-08-07 17:28:54,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:54,746 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:28:54,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:28:54,746 INFO L82 PathProgramCache]: Analyzing trace with hash -656172670, now seen corresponding path program 2 times [2021-08-07 17:28:54,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:28:54,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629703394] [2021-08-07 17:28:54,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:28:54,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:28:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:28:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 17:28:55,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:28:55,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629703394] [2021-08-07 17:28:55,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629703394] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:55,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238219968] [2021-08-07 17:28:55,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:28:55,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:28:55,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:28:55,404 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:28:55,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-08-07 17:28:58,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:28:58,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:28:58,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:28:58,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:28:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 17:28:59,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238219968] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:28:59,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:28:59,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:28:59,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071122826] [2021-08-07 17:28:59,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:28:59,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:28:59,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:28:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:28:59,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:59,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:28:59,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.32258064516129) internal successors, (227), 31 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:28:59,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:28:59,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:28:59,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:28:59,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:28:59,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2021-08-07 17:28:59,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:28:59,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:29:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:29:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:12,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:29:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-08-07 17:29:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:29:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:29:12,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2021-08-07 17:29:12,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-08-07 17:29:12,412 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:29:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:29:12,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1730221113, now seen corresponding path program 1 times [2021-08-07 17:29:12,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:29:12,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715397193] [2021-08-07 17:29:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:29:12,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:29:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:29:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 17:29:12,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:29:12,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715397193] [2021-08-07 17:29:12,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715397193] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:29:12,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393315517] [2021-08-07 17:29:12,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:29:12,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:29:12,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:29:12,617 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:29:12,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-08-07 17:29:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:29:15,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:29:15,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:29:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:29:16,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393315517] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:29:16,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:29:16,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 42 [2021-08-07 17:29:16,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593352001] [2021-08-07 17:29:16,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-08-07 17:29:16,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:29:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-08-07 17:29:16,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1588, Unknown=0, NotChecked=0, Total=1722 [2021-08-07 17:29:16,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:16,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:29:16,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.166666666666667) internal successors, (259), 42 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:29:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:29:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:29:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:29:16,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:29:16,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:29:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:29:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-08-07 17:29:32,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-08-07 17:29:32,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-08-07 17:29:32,954 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:29:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:29:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1647219932, now seen corresponding path program 1 times [2021-08-07 17:29:32,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:29:32,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604092306] [2021-08-07 17:29:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:29:32,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:29:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:29:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 17:29:33,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:29:33,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604092306] [2021-08-07 17:29:33,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604092306] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:29:33,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417483728] [2021-08-07 17:29:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:29:33,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:29:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:29:33,311 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:29:33,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-08-07 17:29:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:29:36,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:29:36,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:29:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 17:29:37,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417483728] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:29:37,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:29:37,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:29:37,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779570638] [2021-08-07 17:29:37,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:29:37,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:29:37,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:29:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:29:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:37,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:29:37,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.32258064516129) internal successors, (227), 31 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-08-07 17:29:37,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:29:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:29:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:29:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:29:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:29:57,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-08-07 17:29:57,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-08-07 17:29:57,577 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:29:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:29:57,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1755972745, now seen corresponding path program 2 times [2021-08-07 17:29:57,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:29:57,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389676948] [2021-08-07 17:29:57,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:29:57,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:29:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:29:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 16 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:29:57,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:29:57,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389676948] [2021-08-07 17:29:57,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389676948] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:29:57,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128327707] [2021-08-07 17:29:57,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:29:57,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:29:57,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:29:57,877 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:29:57,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-08-07 17:30:01,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:30:01,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:30:01,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:30:01,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:30:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:30:02,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128327707] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:02,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:30:02,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-08-07 17:30:02,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777454336] [2021-08-07 17:30:02,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-08-07 17:30:02,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:30:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-08-07 17:30:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1735, Unknown=0, NotChecked=0, Total=1892 [2021-08-07 17:30:02,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:02,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:30:02,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.931818181818182) internal successors, (261), 44 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) [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:02,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:02,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-08-07 17:30:18,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-08-07 17:30:19,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:19,185 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:30:19,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:30:19,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1347448183, now seen corresponding path program 2 times [2021-08-07 17:30:19,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:30:19,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194211591] [2021-08-07 17:30:19,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:30:19,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:30:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:30:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 16 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:30:19,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:30:19,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194211591] [2021-08-07 17:30:19,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194211591] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:19,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107535551] [2021-08-07 17:30:19,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:30:19,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:19,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:30:19,493 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:30:19,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-08-07 17:30:22,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:30:22,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:30:22,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 17:30:22,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:30:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:30:23,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107535551] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:23,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:30:23,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-08-07 17:30:23,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218374782] [2021-08-07 17:30:23,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-08-07 17:30:23,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:30:23,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-08-07 17:30:23,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1735, Unknown=0, NotChecked=0, Total=1892 [2021-08-07 17:30:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:23,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:30:23,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.931818181818182) internal successors, (261), 44 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) [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-08-07 17:30:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:41,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-08-07 17:30:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 17:30:41,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-08-07 17:30:41,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:41,401 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:30:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:30:41,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1691495964, now seen corresponding path program 2 times [2021-08-07 17:30:41,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:30:41,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108135543] [2021-08-07 17:30:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:30:41,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:30:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:30:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-07 17:30:41,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:30:41,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108135543] [2021-08-07 17:30:41,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108135543] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:41,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764653576] [2021-08-07 17:30:41,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:30:41,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:41,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:30:41,689 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:30:41,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-08-07 17:30:45,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:30:45,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:30:45,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:30:45,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:30:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-07 17:30:46,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764653576] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:46,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:30:46,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:30:46,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589860774] [2021-08-07 17:30:46,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:30:46,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:30:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:30:46,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:30:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:46,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:30:46,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.096774193548387) internal successors, (220), 31 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:46,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 17:30:46,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:30:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-08-07 17:30:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-07 17:30:57,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-08-07 17:30:57,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:57,925 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 17:30:57,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:30:57,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2100020526, now seen corresponding path program 2 times [2021-08-07 17:30:57,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:30:57,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682739150] [2021-08-07 17:30:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:30:57,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:30:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:30:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-07 17:30:58,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:30:58,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682739150] [2021-08-07 17:30:58,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682739150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:30:58,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630760743] [2021-08-07 17:30:58,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 17:30:58,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 17:30:58,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:30:58,098 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 17:30:58,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-08-07 17:31:01,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 17:31:01,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 17:31:01,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-07 17:31:01,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 17:31:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-07 17:31:02,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630760743] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 17:31:02,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 17:31:02,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-07 17:31:02,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840316243] [2021-08-07 17:31:02,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-07 17:31:02,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:31:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-07 17:31:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2021-08-07 17:31:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:31:02,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:31:02,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.096774193548387) internal successors, (220), 31 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-07 17:31:02,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-07 17:31:02,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.