/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 18:06:35,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 18:06:35,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 18:06:35,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 18:06:35,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 18:06:35,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 18:06:35,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 18:06:35,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 18:06:35,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 18:06:35,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 18:06:35,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 18:06:35,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 18:06:35,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 18:06:35,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 18:06:35,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 18:06:35,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 18:06:35,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 18:06:35,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 18:06:35,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 18:06:35,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 18:06:35,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 18:06:35,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 18:06:35,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 18:06:35,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 18:06:35,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 18:06:35,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 18:06:35,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 18:06:35,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 18:06:35,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 18:06:35,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 18:06:35,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 18:06:35,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 18:06:35,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 18:06:35,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 18:06:35,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 18:06:35,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 18:06:35,109 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-Random521.epf [2021-06-06 18:06:35,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 18:06:35,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 18:06:35,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 18:06:35,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 18:06:35,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 18:06:35,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 18:06:35,153 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 18:06:35,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 18:06:35,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 18:06:35,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 18:06:35,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 18:06:35,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 18:06:35,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 18:06:35,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 18:06:35,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 18:06:35,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 18:06:35,157 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 18:06:35,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 18:06:35,158 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 18:06:35,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 18:06:35,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 18:06:35,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 18:06:35,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 18:06:35,479 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 18:06:35,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-06-06 18:06:35,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a273dfe/586edc9925c849bfb73747b4d2bcb812/FLAG3197f2925 [2021-06-06 18:06:36,108 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 18:06:36,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-06-06 18:06:36,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a273dfe/586edc9925c849bfb73747b4d2bcb812/FLAG3197f2925 [2021-06-06 18:06:36,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a273dfe/586edc9925c849bfb73747b4d2bcb812 [2021-06-06 18:06:36,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 18:06:36,515 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 18:06:36,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 18:06:36,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 18:06:36,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 18:06:36,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:36,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d357dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36, skipping insertion in model container [2021-06-06 18:06:36,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:36,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 18:06:36,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 18:06:36,817 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_longer-1.i[30927,30940] [2021-06-06 18:06:36,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 18:06:36,828 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 18:06:36,891 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_longer-1.i[30927,30940] [2021-06-06 18:06:36,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 18:06:36,962 INFO L208 MainTranslator]: Completed translation [2021-06-06 18:06:36,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36 WrapperNode [2021-06-06 18:06:36,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 18:06:36,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 18:06:36,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 18:06:36,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 18:06:36,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:36,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 18:06:37,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 18:06:37,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 18:06:37,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 18:06:37,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (1/1) ... [2021-06-06 18:06:37,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 18:06:37,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 18:06:37,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 18:06:37,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 18:06:37,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (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 18:06:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 18:06:37,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 18:06:37,107 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 18:06:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 18:06:37,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 18:06:37,109 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 18:06:37,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 18:06:37,469 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 18:06:37,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:06:37 BoogieIcfgContainer [2021-06-06 18:06:37,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 18:06:37,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 18:06:37,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 18:06:37,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 18:06:37,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 06:06:36" (1/3) ... [2021-06-06 18:06:37,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414ba74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:06:37, skipping insertion in model container [2021-06-06 18:06:37,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 06:06:36" (2/3) ... [2021-06-06 18:06:37,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414ba74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:06:37, skipping insertion in model container [2021-06-06 18:06:37,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:06:37" (3/3) ... [2021-06-06 18:06:37,477 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-1.i [2021-06-06 18:06:37,482 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 18:06:37,483 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 18:06:37,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 18:06:37,484 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 18:06:37,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,527 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,528 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,528 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,528 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,529 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,531 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,532 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,532 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,532 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,532 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,532 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,533 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,533 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,533 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,533 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,541 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,542 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,543 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 18:06:37,545 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 18:06:37,565 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 18:06:37,627 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 18:06:37,627 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 18:06:37,627 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 18:06:37,627 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 18:06:37,627 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 18:06:37,628 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 18:06:37,628 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 18:06:37,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 18:06:37,803 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:37,814 INFO L82 PathProgramCache]: Analyzing trace with hash -190958438, now seen corresponding path program 1 times [2021-06-06 18:06:37,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:37,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13763453] [2021-06-06 18:06:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:38,251 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 18:06:38,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:38,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13763453] [2021-06-06 18:06:38,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13763453] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 18:06:38,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 18:06:38,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 18:06:38,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88405160] [2021-06-06 18:06:38,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 18:06:38,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:38,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 18:06:38,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-06 18:06:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:38,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:38,288 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 18:06:38,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:38,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 18:06:38,521 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:38,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:38,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1749455831, now seen corresponding path program 1 times [2021-06-06 18:06:38,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:38,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500566321] [2021-06-06 18:06:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:38,682 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 18:06:38,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:38,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500566321] [2021-06-06 18:06:38,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500566321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:38,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653977886] [2021-06-06 18:06:38,683 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 18:06:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:38,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 18:06:38,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:39,073 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 18:06:39,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653977886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:39,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:39,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 18:06:39,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031050951] [2021-06-06 18:06:39,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 18:06:39,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:39,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 18:06:39,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-06 18:06:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:39,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:39,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 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 18:06:39,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:39,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:39,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:39,605 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:39,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:39,605 INFO L82 PathProgramCache]: Analyzing trace with hash -115352052, now seen corresponding path program 1 times [2021-06-06 18:06:39,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:39,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572321977] [2021-06-06 18:06:39,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:39,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:39,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572321977] [2021-06-06 18:06:39,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572321977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:39,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637464968] [2021-06-06 18:06:39,666 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 18:06:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:39,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 18:06:39,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:39,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637464968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:39,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:39,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 18:06:39,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184304743] [2021-06-06 18:06:39,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 18:06:39,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:39,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 18:06:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-06 18:06:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:39,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:39,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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 18:06:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:40,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:40,257 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:40,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1022829199, now seen corresponding path program 2 times [2021-06-06 18:06:40,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:40,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220253590] [2021-06-06 18:06:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:40,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:40,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220253590] [2021-06-06 18:06:40,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220253590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:40,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653109419] [2021-06-06 18:06:40,355 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 18:06:40,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 18:06:40,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:40,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 18:06:40,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:40,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653109419] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:40,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:40,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-06 18:06:40,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192442621] [2021-06-06 18:06:40,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 18:06:40,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:40,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 18:06:40,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-06 18:06:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:40,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:40,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:06:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:40,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:41,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:41,093 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:41,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:41,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1170164436, now seen corresponding path program 3 times [2021-06-06 18:06:41,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:41,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852167446] [2021-06-06 18:06:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:41,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:41,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852167446] [2021-06-06 18:06:41,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852167446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:41,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309585434] [2021-06-06 18:06:41,225 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 18:06:41,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 18:06:41,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:41,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 18:06:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:41,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309585434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:41,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:41,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-06 18:06:41,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815591049] [2021-06-06 18:06:41,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 18:06:41,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:41,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 18:06:41,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-06 18:06:41,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:41,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:41,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 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 18:06:41,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:41,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:41,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:41,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:41,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:42,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:42,029 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:42,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:42,029 INFO L82 PathProgramCache]: Analyzing trace with hash -831423919, now seen corresponding path program 4 times [2021-06-06 18:06:42,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:42,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233785640] [2021-06-06 18:06:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:42,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:42,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233785640] [2021-06-06 18:06:42,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233785640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:42,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213018899] [2021-06-06 18:06:42,154 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 18:06:42,240 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 18:06:42,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:42,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 18:06:42,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:42,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213018899] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:42,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:42,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-06-06 18:06:42,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410189612] [2021-06-06 18:06:42,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:06:42,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:42,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:06:42,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-06 18:06:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:42,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:42,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:42,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:42,996 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:42,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:42,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1108812876, now seen corresponding path program 5 times [2021-06-06 18:06:42,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:42,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477173328] [2021-06-06 18:06:42,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:43,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:43,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477173328] [2021-06-06 18:06:43,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477173328] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:43,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850598791] [2021-06-06 18:06:43,219 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 18:06:43,302 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 18:06:43,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:43,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 18:06:43,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:43,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850598791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:43,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:43,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-06-06 18:06:43,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988677097] [2021-06-06 18:06:43,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 18:06:43,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:43,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 18:06:43,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2021-06-06 18:06:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:43,678 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:43,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 5.958333333333333) internal successors, (143), 24 states have internal predecessors, (143), 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 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:43,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:45,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:46,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:46,168 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:46,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:46,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1558413105, now seen corresponding path program 6 times [2021-06-06 18:06:46,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:46,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147311099] [2021-06-06 18:06:46,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 96 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:46,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:46,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147311099] [2021-06-06 18:06:46,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147311099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:46,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514587397] [2021-06-06 18:06:46,306 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 18:06:46,394 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 18:06:46,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:46,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 18:06:46,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:46,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514587397] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 18:06:46,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 18:06:46,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-06-06 18:06:46,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780103265] [2021-06-06 18:06:46,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:06:46,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:46,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:06:46,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-06-06 18:06:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:46,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:46,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 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 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:47,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 18:06:47,713 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:47,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:47,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1653096083, now seen corresponding path program 7 times [2021-06-06 18:06:47,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:47,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615748420] [2021-06-06 18:06:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:47,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:47,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615748420] [2021-06-06 18:06:47,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615748420] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:47,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227517421] [2021-06-06 18:06:47,968 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 18:06:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:48,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 18:06:48,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:48,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227517421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:48,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:48,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-06 18:06:48,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044071699] [2021-06-06 18:06:48,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 18:06:48,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:48,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 18:06:48,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2021-06-06 18:06:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:48,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:48,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 5.962962962962963) internal successors, (161), 27 states have internal predecessors, (161), 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 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:48,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:06:51,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:51,221 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1210091348, now seen corresponding path program 8 times [2021-06-06 18:06:51,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:51,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69286007] [2021-06-06 18:06:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:51,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:51,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69286007] [2021-06-06 18:06:51,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69286007] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:51,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730915305] [2021-06-06 18:06:51,430 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 18:06:51,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 18:06:51,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:51,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 18:06:51,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:51,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730915305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:51,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:51,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-06-06 18:06:51,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684740154] [2021-06-06 18:06:51,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 18:06:51,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:51,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 18:06:51,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2021-06-06 18:06:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:51,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:51,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 5.821428571428571) internal successors, (163), 28 states have internal predecessors, (163), 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 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:51,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:51,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:51,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:06:51,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:06:55,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:06:55,101 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:06:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:06:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1151706675, now seen corresponding path program 9 times [2021-06-06 18:06:55,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:06:55,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763990582] [2021-06-06 18:06:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:06:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:06:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:55,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:06:55,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763990582] [2021-06-06 18:06:55,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763990582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:55,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461389943] [2021-06-06 18:06:55,316 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 18:06:55,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-06 18:06:55,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:06:55,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 18:06:55,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:06:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:06:55,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461389943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:06:55,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:06:55,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 18:06:55,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927454393] [2021-06-06 18:06:55,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 18:06:55,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:06:55,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 18:06:55,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2021-06-06 18:06:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:06:55,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:06:55,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 5.838709677419355) internal successors, (181), 31 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:06:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:06:55,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:06:55,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 18:07:00,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 18:07:00,393 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:07:00,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:07:00,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1947325708, now seen corresponding path program 10 times [2021-06-06 18:07:00,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:07:00,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611151407] [2021-06-06 18:07:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:07:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:00,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:07:00,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611151407] [2021-06-06 18:07:00,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611151407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:00,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333607198] [2021-06-06 18:07:00,600 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 18:07:00,667 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 18:07:00,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:07:00,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 18:07:00,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:07:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:01,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333607198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:01,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:07:01,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-06-06 18:07:01,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78213875] [2021-06-06 18:07:01,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 18:07:01,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:07:01,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 18:07:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 18:07:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:01,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:07:01,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 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 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 18:07:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:06,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 18:07:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-06 18:07:06,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 18:07:06,968 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:07:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:07:06,969 INFO L82 PathProgramCache]: Analyzing trace with hash -111278637, now seen corresponding path program 11 times [2021-06-06 18:07:06,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:07:06,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016841871] [2021-06-06 18:07:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:07:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 110 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-06-06 18:07:07,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:07:07,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016841871] [2021-06-06 18:07:07,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016841871] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:07,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638571717] [2021-06-06 18:07:07,087 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:07:07,166 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-06 18:07:07,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:07:07,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 18:07:07,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:07:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-06-06 18:07:07,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638571717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 18:07:07,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 18:07:07,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-06-06 18:07:07,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726630010] [2021-06-06 18:07:07,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 18:07:07,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:07:07,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 18:07:07,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-06-06 18:07:07,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:07,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:07:07,320 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 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 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-06-06 18:07:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 18:07:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:11,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-06 18:07:11,793 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:07:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:07:11,794 INFO L82 PathProgramCache]: Analyzing trace with hash 122915247, now seen corresponding path program 12 times [2021-06-06 18:07:11,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:07:11,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887796426] [2021-06-06 18:07:11,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:07:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:12,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:07:12,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887796426] [2021-06-06 18:07:12,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887796426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:12,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591014591] [2021-06-06 18:07:12,016 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:07:12,085 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 18:07:12,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:07:12,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 18:07:12,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:07:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:12,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591014591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:12,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:07:12,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 18:07:12,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100895762] [2021-06-06 18:07:12,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 18:07:12,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:07:12,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 18:07:12,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2021-06-06 18:07:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:12,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:07:12,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 5.838709677419355) internal successors, (181), 31 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:12,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:12,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:12,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-06 18:07:12,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 18:07:12,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:12,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-06 18:07:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 18:07:21,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:07:21,017 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:07:21,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:07:21,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2060271856, now seen corresponding path program 13 times [2021-06-06 18:07:21,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:07:21,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239101789] [2021-06-06 18:07:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:07:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:21,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:07:21,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239101789] [2021-06-06 18:07:21,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239101789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:21,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159824445] [2021-06-06 18:07:21,246 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:07:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:21,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 18:07:21,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 18:07:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:21,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159824445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:21,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 18:07:21,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-06-06 18:07:21,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095360345] [2021-06-06 18:07:21,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 18:07:21,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 18:07:21,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 18:07:21,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 18:07:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:21,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 18:07:21,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 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 18:07:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 18:07:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 18:07:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 18:07:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-06-06 18:07:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 18:07:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 18:07:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 18:07:32,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-06 18:07:32,564 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 18:07:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 18:07:32,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2066507955, now seen corresponding path program 14 times [2021-06-06 18:07:32,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 18:07:32,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463771215] [2021-06-06 18:07:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 18:07:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 18:07:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 18:07:32,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 18:07:32,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463771215] [2021-06-06 18:07:32,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463771215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 18:07:32,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459247306] [2021-06-06 18:07:32,764 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:07:32,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 18:07:32,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 18:07:32,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 18:07:32,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-06 18:21:03,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 18:21:03,628 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 18:21:03,641 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 18:21:03,643 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 18:21:03,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 06:21:03 BasicIcfg [2021-06-06 18:21:03,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 18:21:03,644 INFO L168 Benchmark]: Toolchain (without parser) took 867129.38 ms. Allocated memory was 346.0 MB in the beginning and 6.8 GB in the end (delta: 6.5 GB). Free memory was 308.6 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory was 326.6 MB in the beginning and 326.5 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.82 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 309.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.58 ms. Allocated memory is still 346.0 MB. Free memory was 309.7 MB in the beginning and 307.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: Boogie Preprocessor took 22.56 ms. Allocated memory is still 346.0 MB. Free memory was 307.6 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: RCFGBuilder took 428.98 ms. Allocated memory is still 346.0 MB. Free memory was 305.5 MB in the beginning and 283.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,644 INFO L168 Benchmark]: TraceAbstraction took 866171.32 ms. Allocated memory was 346.0 MB in the beginning and 6.8 GB in the end (delta: 6.5 GB). Free memory was 283.5 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 16.0 GB. [2021-06-06 18:21:03,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory was 326.6 MB in the beginning and 326.5 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 446.82 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 309.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.58 ms. Allocated memory is still 346.0 MB. Free memory was 309.7 MB in the beginning and 307.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.56 ms. Allocated memory is still 346.0 MB. Free memory was 307.6 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 428.98 ms. Allocated memory is still 346.0 MB. Free memory was 305.5 MB in the beginning and 283.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 866171.32 ms. Allocated memory was 346.0 MB in the beginning and 6.8 GB in the end (delta: 6.5 GB). Free memory was 283.5 MB in the beginning and 5.9 GB in the end (delta: -5.6 GB). Peak memory consumption was 5.0 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: 2451617, positive: 2099919, positive conditional: 2099919, positive unconditional: 0, negative: 351698, negative conditional: 351698, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2114169, positive: 2099919, positive conditional: 2099919, positive unconditional: 0, negative: 14250, negative conditional: 14250, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2114169, positive: 2099824, positive conditional: 0, positive unconditional: 2099824, negative: 14345, negative conditional: 0, negative unconditional: 14345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 507, positive: 503, positive conditional: 0, positive unconditional: 503, 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: 507, positive: 503, positive conditional: 0, positive unconditional: 503, 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: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2114169, positive: 2099321, positive conditional: 0, positive unconditional: 2099321, negative: 14341, negative conditional: 0, negative unconditional: 14341, unknown: 507, unknown conditional: 0, unknown unconditional: 507] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441, SemanticConditionEliminator.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171218, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 171123, negative conditional: 58682, negative unconditional: 112441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 460, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 446, negative conditional: 442, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 764, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 743, negative conditional: 710, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171218, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 170681, negative conditional: 58240, negative unconditional: 112441, unknown: 456, unknown conditional: 456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 963, Positive cache size: 517, Positive conditional cache size: 14, Positive unconditional cache size: 503, Negative cache size: 446, Negative conditional cache size: 442, Negative unconditional cache size: 4, Eliminated conditions: 112441 ], Maximal queried relation: 15, Independence queries for same thread: 337448 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 97 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 866051.0ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 43273.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 606, 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: 230.8ms SsaConstructionTime, 614.8ms SatisfiabilityAnalysisTime, 6979.5ms InterpolantComputationTime, 2368 NumberOfCodeBlocks, 2358 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 2339 ConstructedInterpolants, 0 QuantifiedInterpolants, 15416 SizeOfPredicates, 68 NumberOfNonLiveVariables, 2547 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 604/2610 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown