/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 23:49:10,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 23:49:10,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 23:49:10,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 23:49:10,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 23:49:10,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 23:49:10,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 23:49:10,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 23:49:10,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 23:49:10,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 23:49:10,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 23:49:10,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 23:49:10,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 23:49:10,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 23:49:10,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 23:49:10,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 23:49:10,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 23:49:10,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 23:49:10,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 23:49:10,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 23:49:10,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-06 23:49:10,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 23:49:10,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 23:49:10,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 23:49:10,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 23:49:10,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 23:49:10,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 23:49:10,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 23:49:10,198 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 23:49:10,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 23:49:10,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 23:49:10,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 23:49:10,200 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 23:49:10,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 23:49:10,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 23:49:10,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 23:49:10,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 23:49:10,464 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 23:49:10,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longest-2.i [2021-06-06 23:49:10,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae06cf15/e9c750b054274d8c9f558604700a9a38/FLAGb5cfaa575 [2021-06-06 23:49:10,906 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 23:49:10,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-2.i [2021-06-06 23:49:10,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae06cf15/e9c750b054274d8c9f558604700a9a38/FLAGb5cfaa575 [2021-06-06 23:49:11,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae06cf15/e9c750b054274d8c9f558604700a9a38 [2021-06-06 23:49:11,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 23:49:11,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 23:49:11,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 23:49:11,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 23:49:11,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 23:49:11,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c138b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11, skipping insertion in model container [2021-06-06 23:49:11,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 23:49:11,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 23:49:11,508 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-2.i[30286,30299] [2021-06-06 23:49:11,517 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-2.i[31040,31053] [2021-06-06 23:49:11,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 23:49:11,522 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 23:49:11,542 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-2.i[30286,30299] [2021-06-06 23:49:11,551 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-2.i[31040,31053] [2021-06-06 23:49:11,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 23:49:11,603 INFO L208 MainTranslator]: Completed translation [2021-06-06 23:49:11,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11 WrapperNode [2021-06-06 23:49:11,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 23:49:11,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 23:49:11,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 23:49:11,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 23:49:11,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 23:49:11,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 23:49:11,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 23:49:11,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 23:49:11,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... [2021-06-06 23:49:11,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 23:49:11,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 23:49:11,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 23:49:11,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 23:49:11,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 23:49:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 23:49:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 23:49:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 23:49:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 23:49:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 23:49:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 23:49:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 23:49:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 23:49:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 23:49:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 23:49:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 23:49:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 23:49:11,728 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 23:49:11,968 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 23:49:11,968 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 23:49:11,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:49:11 BoogieIcfgContainer [2021-06-06 23:49:11,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 23:49:11,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 23:49:11,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 23:49:11,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 23:49:11,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 11:49:11" (1/3) ... [2021-06-06 23:49:11,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f3a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:49:11, skipping insertion in model container [2021-06-06 23:49:11,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 11:49:11" (2/3) ... [2021-06-06 23:49:11,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f3a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:49:11, skipping insertion in model container [2021-06-06 23:49:11,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:49:11" (3/3) ... [2021-06-06 23:49:11,974 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longest-2.i [2021-06-06 23:49:11,978 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 23:49:11,978 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 23:49:11,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 23:49:11,979 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 23:49:11,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:11,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,011 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,011 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 23:49:12,013 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 23:49:12,027 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 23:49:12,061 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 23:49:12,061 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 23:49:12,061 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 23:49:12,061 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 23:49:12,061 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 23:49:12,061 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 23:49:12,061 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 23:49:12,061 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 23:49:12,193 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash 732430739, now seen corresponding path program 1 times [2021-06-06 23:49:12,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:12,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216116122] [2021-06-06 23:49:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:12,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:12,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216116122] [2021-06-06 23:49:12,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216116122] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 23:49:12,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 23:49:12,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 23:49:12,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911778536] [2021-06-06 23:49:12,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 23:49:12,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:12,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 23:49:12,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 23:49:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:12,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:12,479 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:12,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:12,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 23:49:12,738 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:12,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:12,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1500196220, now seen corresponding path program 1 times [2021-06-06 23:49:12,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:12,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66159385] [2021-06-06 23:49:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:12,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:12,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66159385] [2021-06-06 23:49:12,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66159385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:12,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984280716] [2021-06-06 23:49:12,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:13,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 23:49:13,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:13,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984280716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:13,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:13,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 23:49:13,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554499908] [2021-06-06 23:49:13,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 23:49:13,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:13,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 23:49:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-06 23:49:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:13,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:13,268 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:13,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:13,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:13,771 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:13,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:13,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1947580934, now seen corresponding path program 1 times [2021-06-06 23:49:13,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:13,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978652157] [2021-06-06 23:49:13,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:13,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:13,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978652157] [2021-06-06 23:49:13,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978652157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:13,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657467296] [2021-06-06 23:49:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:14,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 23:49:14,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:14,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657467296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:14,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:14,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 23:49:14,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799604439] [2021-06-06 23:49:14,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 23:49:14,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:14,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 23:49:14,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-06 23:49:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:14,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:14,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 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) [2021-06-06 23:49:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:15,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:15,175 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:15,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:15,175 INFO L82 PathProgramCache]: Analyzing trace with hash -390701584, now seen corresponding path program 2 times [2021-06-06 23:49:15,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:15,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951108840] [2021-06-06 23:49:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:15,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:15,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951108840] [2021-06-06 23:49:15,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951108840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:15,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039647607] [2021-06-06 23:49:15,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:15,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 23:49:15,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:15,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 23:49:15,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:15,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039647607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:15,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:15,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-06 23:49:15,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455054898] [2021-06-06 23:49:15,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 23:49:15,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:15,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 23:49:15,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-06-06 23:49:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:15,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:15,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.9523809523809526) internal successors, (125), 21 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:16,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:16,797 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:16,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:16,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1448442470, now seen corresponding path program 3 times [2021-06-06 23:49:16,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:16,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138950014] [2021-06-06 23:49:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:16,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:16,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138950014] [2021-06-06 23:49:16,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138950014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:16,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962998135] [2021-06-06 23:49:16,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:17,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 23:49:17,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:17,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 23:49:17,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:17,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962998135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:17,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:17,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-06 23:49:17,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25417758] [2021-06-06 23:49:17,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 23:49:17,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:17,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 23:49:17,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2021-06-06 23:49:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:17,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:17,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 5.8) internal successors, (145), 25 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) [2021-06-06 23:49:17,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:17,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:17,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:17,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:17,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:18,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:19,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:19,193 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:19,193 INFO L82 PathProgramCache]: Analyzing trace with hash 774634332, now seen corresponding path program 4 times [2021-06-06 23:49:19,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:19,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467418524] [2021-06-06 23:49:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:19,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:19,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467418524] [2021-06-06 23:49:19,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467418524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:19,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120377595] [2021-06-06 23:49:19,360 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:19,426 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 23:49:19,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:19,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 23:49:19,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:19,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120377595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:19,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:19,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 23:49:19,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618234735] [2021-06-06 23:49:19,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 23:49:19,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 23:49:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2021-06-06 23:49:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:19,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:19,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 5.689655172413793) internal successors, (165), 29 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:22,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:22,593 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:22,593 INFO L82 PathProgramCache]: Analyzing trace with hash 530989266, now seen corresponding path program 5 times [2021-06-06 23:49:22,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:22,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323064306] [2021-06-06 23:49:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:22,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:22,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323064306] [2021-06-06 23:49:22,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323064306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:22,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597231889] [2021-06-06 23:49:22,814 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:22,887 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 23:49:22,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:22,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 23:49:22,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:23,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597231889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:23,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:23,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-06 23:49:23,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148372922] [2021-06-06 23:49:23,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 23:49:23,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:23,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 23:49:23,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2021-06-06 23:49:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:23,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:23,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.625) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:23,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:26,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:26,735 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:26,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1178118856, now seen corresponding path program 6 times [2021-06-06 23:49:26,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:26,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175692076] [2021-06-06 23:49:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:26,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:26,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175692076] [2021-06-06 23:49:26,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175692076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:26,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017640669] [2021-06-06 23:49:26,982 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:27,051 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 23:49:27,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:27,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 23:49:27,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:27,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017640669] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:27,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:27,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-06-06 23:49:27,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862660797] [2021-06-06 23:49:27,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 23:49:27,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:27,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 23:49:27,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 23:49:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:27,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:27,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 5.54054054054054) internal successors, (205), 37 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:32,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 23:49:32,078 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:32,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:32,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1084253890, now seen corresponding path program 7 times [2021-06-06 23:49:32,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:32,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243241949] [2021-06-06 23:49:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:32,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:32,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243241949] [2021-06-06 23:49:32,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243241949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:32,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7094449] [2021-06-06 23:49:32,308 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:32,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 23:49:32,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:32,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7094449] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:32,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:32,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-06 23:49:32,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387866472] [2021-06-06 23:49:32,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 23:49:32,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:32,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 23:49:32,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1278, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 23:49:32,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:32,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:32,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 5.487804878048781) internal successors, (225), 41 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) [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:32,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:38,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:38,809 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:38,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:38,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1063293900, now seen corresponding path program 8 times [2021-06-06 23:49:38,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:38,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131240380] [2021-06-06 23:49:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:39,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:39,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131240380] [2021-06-06 23:49:39,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131240380] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:39,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546654711] [2021-06-06 23:49:39,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:39,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 23:49:39,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:39,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 23:49:39,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:39,718 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-06-06 23:49:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:39,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546654711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:39,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:39,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 44 [2021-06-06 23:49:39,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113549461] [2021-06-06 23:49:39,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-06 23:49:39,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:39,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-06 23:49:39,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=1484, Unknown=0, NotChecked=0, Total=1892 [2021-06-06 23:49:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:39,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:39,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 5.454545454545454) internal successors, (240), 44 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-06 23:49:46,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:46,938 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:46,938 INFO L82 PathProgramCache]: Analyzing trace with hash 763659178, now seen corresponding path program 9 times [2021-06-06 23:49:46,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:46,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711293161] [2021-06-06 23:49:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:47,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:47,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711293161] [2021-06-06 23:49:47,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711293161] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:47,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811246444] [2021-06-06 23:49:47,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:47,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-06 23:49:47,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:47,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 23:49:47,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:48,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811246444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:48,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:49:48,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-06-06 23:49:48,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70875630] [2021-06-06 23:49:48,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 23:49:48,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:48,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 23:49:48,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=1846, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 23:49:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:48,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:48,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 5.408163265306122) internal successors, (265), 49 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:48,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:48,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-06 23:49:48,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-06 23:49:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-06-06 23:49:56,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 23:49:56,265 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:49:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:49:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1381810272, now seen corresponding path program 10 times [2021-06-06 23:49:56,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:49:56,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762910657] [2021-06-06 23:49:56,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:49:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:49:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 480 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:56,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:49:56,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762910657] [2021-06-06 23:49:56,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762910657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:49:56,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114105390] [2021-06-06 23:49:56,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:49:56,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 23:49:56,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:49:56,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 23:49:56,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:49:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:49:56,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114105390] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 23:49:56,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 23:49:56,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [25] total 27 [2021-06-06 23:49:56,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592042718] [2021-06-06 23:49:56,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 23:49:56,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:49:56,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 23:49:56,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2021-06-06 23:49:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:49:56,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:49:56,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 5.88) internal successors, (147), 25 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:49:56,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-06-06 23:49:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-06 23:50:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-06-06 23:50:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 23:50:07,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 23:50:07,465 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 23:50:07,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:50:07,465 INFO L82 PathProgramCache]: Analyzing trace with hash 112682560, now seen corresponding path program 1 times [2021-06-06 23:50:07,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:50:07,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401372037] [2021-06-06 23:50:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:50:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 23:50:07,491 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 23:50:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 23:50:07,513 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 23:50:07,550 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-06 23:50:07,551 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-06 23:50:07,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-06 23:50:07,561 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 23:50:07,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 11:50:07 BasicIcfg [2021-06-06 23:50:07,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 23:50:07,674 INFO L168 Benchmark]: Toolchain (without parser) took 56415.02 ms. Allocated memory was 392.2 MB in the beginning and 5.0 GB in the end (delta: 4.6 GB). Free memory was 355.2 MB in the beginning and 3.3 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 392.2 MB. Free memory was 373.0 MB in the beginning and 372.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.72 ms. Allocated memory is still 392.2 MB. Free memory was 355.0 MB in the beginning and 355.1 MB in the end (delta: -104.3 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 392.2 MB. Free memory was 355.1 MB in the beginning and 352.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: Boogie Preprocessor took 30.30 ms. Allocated memory is still 392.2 MB. Free memory was 352.9 MB in the beginning and 351.9 MB in the end (delta: 943.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: RCFGBuilder took 294.74 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 326.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 23:50:07,674 INFO L168 Benchmark]: TraceAbstraction took 55703.18 ms. Allocated memory was 392.2 MB in the beginning and 5.0 GB in the end (delta: 4.6 GB). Free memory was 326.8 MB in the beginning and 3.3 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-06 23:50:07,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 392.2 MB. Free memory was 373.0 MB in the beginning and 372.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 342.72 ms. Allocated memory is still 392.2 MB. Free memory was 355.0 MB in the beginning and 355.1 MB in the end (delta: -104.3 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 392.2 MB. Free memory was 355.1 MB in the beginning and 352.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.30 ms. Allocated memory is still 392.2 MB. Free memory was 352.9 MB in the beginning and 351.9 MB in the end (delta: 943.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 294.74 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 326.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 55703.18 ms. Allocated memory was 392.2 MB in the beginning and 5.0 GB in the end (delta: 4.6 GB). Free memory was 326.8 MB in the beginning and 3.3 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2709778, positive: 2292927, positive conditional: 2292927, positive unconditional: 0, negative: 416851, negative conditional: 416851, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2309995, positive: 2292927, positive conditional: 2292927, positive unconditional: 0, negative: 17068, negative conditional: 17068, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2309995, positive: 2292851, positive conditional: 0, positive unconditional: 2292851, negative: 17144, negative conditional: 0, negative unconditional: 17144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2309995, positive: 2292386, positive conditional: 0, positive unconditional: 2292386, negative: 17140, negative conditional: 0, negative unconditional: 17140, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268, SemanticConditionEliminator.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167553, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 167477, negative conditional: 96209, negative unconditional: 71268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 601, negative conditional: 597, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 755, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 740, negative conditional: 715, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 167553, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 166880, negative conditional: 95612, negative unconditional: 71268, unknown: 608, unknown conditional: 608, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1077, Positive cache size: 476, Positive conditional cache size: 11, Positive unconditional cache size: 465, Negative cache size: 601, Negative conditional cache size: 597, Negative unconditional cache size: 4, Eliminated conditions: 71268 ], Maximal queried relation: 12, Independence queries for same thread: 399783 - CounterExampleResult [Line: 731]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L695] 0 int i=1, j=1; VAL [i=1, j=1] [L721] 0 pthread_t id1, id2; VAL [i=1, j=1] [L722] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=1, j=1] [L699] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=1, j=1, k=0] [L723] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=1, j=1, k=0] [L700] 1 k = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=1, j=1, k=0] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=1, j=1, k=0] [L725] 0 int condI = i >= 46368; VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=1, j=1, k=0] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=1, k=0] [L710] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=1, k=0, k=0] [L711] 2 k = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=1, k=0, k=0] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=1, k=0, k=0, k++=0] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=1, k=0, k=0, k++=0] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=3, k=0, k=0, k++=0] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=3, k=1, k=0, k++=0] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=3, k=0, k=1, k++=0, k++=0] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=3, k=0, k=1, k++=0] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=2, j=3, k=1, k=1] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=3, k=1, k=1] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=3, k=1, k=1, k++=1] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=3, k=1, k=1, k++=1] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=8, k=1, k=1, k++=1] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=8, k=2, k=1, k++=1] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=8, k=1, k=2, k++=1, k++=1] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=8, k=2, k=1, k++=1] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=5, j=8, k=2, k=2] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=8, k=2, k=2] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=8, k=2, k=2, k++=2] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=8, k=2, k=2, k++=2] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=21, k=2, k=2, k++=2] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=21, k=2, k=3, k++=2] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=21, k=3, k=2, k++=2, k++=2] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=21, k=2, k=3, k++=2] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=21, k=3, k=3] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=21, k=3, k=3] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=21, k=3, k=3, k++=3] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=21, k=3, k=3, k++=3] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=55, k=3, k=3, k++=3] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=55, k=4, k=3, k++=3] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=55, k=3, k=4, k++=3, k++=3] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=55, k=3, k=4, k++=3] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=34, j=55, k=4, k=4] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=55, k=4, k=4] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=55, k=4, k=4, k++=4] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=55, k=4, k=4, k++=4] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=144, k=4, k=4, k++=4] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=144, k=4, k=5, k++=4] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=144, k=4, k=5, k++=4, k++=4] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=144, k=4, k=5, k++=4] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=89, j=144, k=5, k=5] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=144, k=5, k=5] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=144, k=5, k=5, k++=5] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=144, k=5, k=5, k++=5] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=377, k=5, k=5, k++=5] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=377, k=5, k=6, k++=5] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=377, k=6, k=5, k++=5, k++=5] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=377, k=5, k=6, k++=5] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=233, j=377, k=6, k=6] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=377, k=6, k=6] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=377, k=6, k=6, k++=6] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=377, k=6, k=6, k++=6] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=987, k=6, k=6, k++=6] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=987, k=6, k=7, k++=6] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=987, k=7, k=6, k++=6, k++=6] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=987, k=6, k=7, k++=6] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=610, j=987, k=7, k=7] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=987, k=7, k=7] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=987, k=7, k=7, k++=7] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=987, k=7, k=7, k++=7] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=2584, k=7, k=7, k++=7] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=2584, k=8, k=7, k++=7] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=2584, k=8, k=7, k++=7, k++=7] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=2584, k=7, k=8, k++=7] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=1597, j=2584, k=8, k=8] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=2584, k=8, k=8] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=2584, k=8, k=8, k++=8] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=2584, k=8, k=8, k++=8] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=6765, k=8, k=8, k++=8] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=6765, k=9, k=8, k++=8] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=6765, k=8, k=9, k++=8, k++=8] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=6765, k=8, k=9, k++=8] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=4181, j=6765, k=9, k=9] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=6765, k=9, k=9] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=6765, k=9, k=9, k++=9] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=6765, k=9, k=9, k++=9] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=17711, k=9, k=9, k++=9] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=17711, k=10, k=9, k++=9] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=17711, k=9, k=10, k++=9, k++=9] [L700] COND TRUE 1 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=17711, k=9, k=10, k++=9] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=10946, j=17711, k=10, k=10] [L702] 1 i+=j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=17711, k=10, k=10] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=17711, k=10, k=10, k++=10] [L711] COND TRUE 2 k < 11 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=17711, k=10, k=10, k++=10] [L713] 2 j+=i VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=10, k=10, k++=10] [L700] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=10, k=11, k++=10] [L711] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=11, k=10, k++=10, k++=10] [L700] COND FALSE 1 !(k < 11) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=11, k=10, k++=10] [L728] 0 int condJ = j >= 46368; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=11, k=10, k++=10] [L730] COND TRUE 0 condI || condJ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=11, k=10, k++=10] [L731] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=28657, j=46368, k=10, k=11, k++=10] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55522.5ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 44971.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 858, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 187.6ms SsaConstructionTime, 484.9ms SatisfiabilityAnalysisTime, 6791.4ms InterpolantComputationTime, 2318 NumberOfCodeBlocks, 2318 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2147 ConstructedInterpolants, 0 QuantifiedInterpolants, 18041 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2244 ConjunctsInSsa, 204 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 1021/4312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...