/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:19:19,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:19:19,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:19:19,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:19:19,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:19:19,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:19:19,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:19:19,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:19:19,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:19:19,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:19:19,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:19:19,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:19:19,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:19:19,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:19:19,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:19:19,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:19:19,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:19:19,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:19:19,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:19:19,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:19:19,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:19:19,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:19:19,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:19:19,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:19:19,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:19:19,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:19:19,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:19:19,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:19:19,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:19:19,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:19:19,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:19:19,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:19:19,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:19:19,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:19:19,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:19:19,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:19:19,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:19:19,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:19:19,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:19:19,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:19:19,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:19:19,977 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-FA-NoLbe-Delay.epf [2020-11-12 06:19:20,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:19:20,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:19:20,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:19:20,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:19:20,014 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:19:20,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:19:20,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:19:20,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:19:20,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:19:20,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:19:20,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:19:20,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:19:20,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:19:20,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:19:20,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:19:20,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:19:20,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:19:20,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:19:20,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:19:20,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:19:20,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:19:20,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:19:20,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:19:20,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:19:20,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:19:20,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:19:20,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:19:20,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:19:20,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:19:20,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:19:20,022 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:19:20,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:19:20,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:19:20,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:19:20,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:19:20,456 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:19:20,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-12 06:19:20,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fd1e1ed/5b47a97aa8244d8389ae937ebf6e4a33/FLAGf36cbe4a4 [2020-11-12 06:19:21,382 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:19:21,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-12 06:19:21,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fd1e1ed/5b47a97aa8244d8389ae937ebf6e4a33/FLAGf36cbe4a4 [2020-11-12 06:19:21,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fd1e1ed/5b47a97aa8244d8389ae937ebf6e4a33 [2020-11-12 06:19:21,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:19:21,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:19:21,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:21,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:19:21,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:19:21,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:21" (1/1) ... [2020-11-12 06:19:21,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127eb1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:21, skipping insertion in model container [2020-11-12 06:19:21,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:19:21" (1/1) ... [2020-11-12 06:19:21,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:19:21,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:19:22,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:22,232 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:19:22,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:19:22,458 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:19:22,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22 WrapperNode [2020-11-12 06:19:22,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:19:22,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:22,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:19:22,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:19:22,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:19:22,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:19:22,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:19:22,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:19:22,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (1/1) ... [2020-11-12 06:19:22,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:19:22,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:19:22,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:19:22,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:19:22,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (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 [2020-11-12 06:19:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:19:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:19:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:19:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:19:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:19:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:19:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:19:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:19:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:19:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:19:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-12 06:19:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-12 06:19:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:19:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:19:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:19:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:19:22,643 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 06:19:23,040 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:19:23,040 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:19:23,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:23 BoogieIcfgContainer [2020-11-12 06:19:23,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:19:23,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:19:23,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:19:23,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:19:23,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:19:21" (1/3) ... [2020-11-12 06:19:23,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a31cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:23, skipping insertion in model container [2020-11-12 06:19:23,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:19:22" (2/3) ... [2020-11-12 06:19:23,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a31cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:19:23, skipping insertion in model container [2020-11-12 06:19:23,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:19:23" (3/3) ... [2020-11-12 06:19:23,053 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2020-11-12 06:19:23,071 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:19:23,071 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:19:23,076 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:19:23,077 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:19:23,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,120 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,120 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,125 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,125 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,130 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,137 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,138 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,144 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,144 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:19:23,148 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:19:23,162 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-12 06:19:23,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:19:23,188 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:19:23,188 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:19:23,188 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:19:23,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:19:23,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:19:23,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:19:23,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:19:23,203 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 90 transitions, 200 flow [2020-11-12 06:19:33,296 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 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) [2020-11-12 06:19:35,455 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 2155ms [2020-11-12 06:19:35,575 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 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) [2020-11-12 06:19:35,663 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 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) [2020-11-12 06:19:35,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 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) [2020-11-12 06:19:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 06:19:35,793 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:35,794 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:35,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:35,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1521340881, now seen corresponding path program 1 times [2020-11-12 06:19:35,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:35,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265621519] [2020-11-12 06:19:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:36,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265621519] [2020-11-12 06:19:36,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:36,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:36,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139904664] [2020-11-12 06:19:36,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:36,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:36,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:36,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:36,381 INFO L87 Difference]: Start difference. First operand has 54312 states, 49290 states have (on average 1.4597078514911748) internal successors, (71949), 54311 states have internal predecessors, (71949), 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) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2020-11-12 06:19:37,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:37,139 INFO L93 Difference]: Finished difference Result 68928 states and 83313 transitions. [2020-11-12 06:19:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) Word has length 46 [2020-11-12 06:19:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:37,293 INFO L225 Difference]: With dead ends: 68928 [2020-11-12 06:19:37,293 INFO L226 Difference]: Without dead ends: 17757 [2020-11-12 06:19:37,296 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17757 states. [2020-11-12 06:19:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17757 to 17757. [2020-11-12 06:19:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17757 states, 16497 states have (on average 1.6561192944171668) internal successors, (27321), 17756 states have internal predecessors, (27321), 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) [2020-11-12 06:19:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17757 states to 17757 states and 27321 transitions. [2020-11-12 06:19:38,259 INFO L78 Accepts]: Start accepts. Automaton has 17757 states and 27321 transitions. Word has length 46 [2020-11-12 06:19:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:38,261 INFO L481 AbstractCegarLoop]: Abstraction has 17757 states and 27321 transitions. [2020-11-12 06:19:38,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2020-11-12 06:19:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 17757 states and 27321 transitions. [2020-11-12 06:19:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 06:19:38,284 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:38,284 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:38,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:19:38,285 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:38,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:38,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1443855120, now seen corresponding path program 1 times [2020-11-12 06:19:38,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:38,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371204822] [2020-11-12 06:19:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:38,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371204822] [2020-11-12 06:19:38,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:38,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:38,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888658320] [2020-11-12 06:19:38,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:38,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:38,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:38,766 INFO L87 Difference]: Start difference. First operand 17757 states and 27321 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:39,082 INFO L93 Difference]: Finished difference Result 22125 states and 33571 transitions. [2020-11-12 06:19:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:39,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-11-12 06:19:39,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:39,179 INFO L225 Difference]: With dead ends: 22125 [2020-11-12 06:19:39,180 INFO L226 Difference]: Without dead ends: 17001 [2020-11-12 06:19:39,182 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17001 states. [2020-11-12 06:19:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17001 to 17001. [2020-11-12 06:19:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 15825 states have (on average 1.6633807266982623) internal successors, (26323), 17000 states have internal predecessors, (26323), 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) [2020-11-12 06:19:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 26323 transitions. [2020-11-12 06:19:39,893 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 26323 transitions. Word has length 48 [2020-11-12 06:19:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:39,895 INFO L481 AbstractCegarLoop]: Abstraction has 17001 states and 26323 transitions. [2020-11-12 06:19:39,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 26323 transitions. [2020-11-12 06:19:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:19:39,919 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:39,919 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:39,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:19:39,920 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:39,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:39,922 INFO L82 PathProgramCache]: Analyzing trace with hash 783013961, now seen corresponding path program 1 times [2020-11-12 06:19:39,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:39,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369252046] [2020-11-12 06:19:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:40,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369252046] [2020-11-12 06:19:40,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:40,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:40,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338758484] [2020-11-12 06:19:40,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:40,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:40,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:40,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:40,163 INFO L87 Difference]: Start difference. First operand 17001 states and 26323 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2020-11-12 06:19:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:40,472 INFO L93 Difference]: Finished difference Result 23133 states and 38736 transitions. [2020-11-12 06:19:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:40,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) Word has length 49 [2020-11-12 06:19:40,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:40,502 INFO L225 Difference]: With dead ends: 23133 [2020-11-12 06:19:40,503 INFO L226 Difference]: Without dead ends: 11567 [2020-11-12 06:19:40,504 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:19:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2020-11-12 06:19:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 11567. [2020-11-12 06:19:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 10783 states have (on average 1.699712510433089) internal successors, (18328), 11566 states have internal predecessors, (18328), 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) [2020-11-12 06:19:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 18328 transitions. [2020-11-12 06:19:40,980 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 18328 transitions. Word has length 49 [2020-11-12 06:19:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:40,981 INFO L481 AbstractCegarLoop]: Abstraction has 11567 states and 18328 transitions. [2020-11-12 06:19:40,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2020-11-12 06:19:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 18328 transitions. [2020-11-12 06:19:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 06:19:40,999 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:40,999 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:40,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:19:41,000 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:41,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1855944394, now seen corresponding path program 1 times [2020-11-12 06:19:41,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:41,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434135659] [2020-11-12 06:19:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:41,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434135659] [2020-11-12 06:19:41,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:41,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:41,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311253677] [2020-11-12 06:19:41,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:41,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:41,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:41,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:41,118 INFO L87 Difference]: Start difference. First operand 11567 states and 18328 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2020-11-12 06:19:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:41,291 INFO L93 Difference]: Finished difference Result 12911 states and 20728 transitions. [2020-11-12 06:19:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) Word has length 51 [2020-11-12 06:19:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:41,316 INFO L225 Difference]: With dead ends: 12911 [2020-11-12 06:19:41,316 INFO L226 Difference]: Without dead ends: 8854 [2020-11-12 06:19:41,317 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:41,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2020-11-12 06:19:41,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2020-11-12 06:19:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8854 states, 8294 states have (on average 1.7550036170725827) internal successors, (14556), 8853 states have internal predecessors, (14556), 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) [2020-11-12 06:19:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 14556 transitions. [2020-11-12 06:19:41,524 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 14556 transitions. Word has length 51 [2020-11-12 06:19:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:41,525 INFO L481 AbstractCegarLoop]: Abstraction has 8854 states and 14556 transitions. [2020-11-12 06:19:41,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2020-11-12 06:19:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 14556 transitions. [2020-11-12 06:19:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 06:19:41,546 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:41,546 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:41,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:19:41,546 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:41,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1787827977, now seen corresponding path program 1 times [2020-11-12 06:19:41,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:41,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956555401] [2020-11-12 06:19:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:41,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956555401] [2020-11-12 06:19:41,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:41,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:41,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205122560] [2020-11-12 06:19:41,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:41,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:41,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:41,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:41,702 INFO L87 Difference]: Start difference. First operand 8854 states and 14556 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:41,989 INFO L93 Difference]: Finished difference Result 14694 states and 24256 transitions. [2020-11-12 06:19:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:41,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-12 06:19:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:42,016 INFO L225 Difference]: With dead ends: 14694 [2020-11-12 06:19:42,017 INFO L226 Difference]: Without dead ends: 9974 [2020-11-12 06:19:42,017 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2020-11-12 06:19:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 7414. [2020-11-12 06:19:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7414 states, 7014 states have (on average 1.7924151696606787) internal successors, (12572), 7413 states have internal predecessors, (12572), 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) [2020-11-12 06:19:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 12572 transitions. [2020-11-12 06:19:42,236 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 12572 transitions. Word has length 53 [2020-11-12 06:19:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:42,237 INFO L481 AbstractCegarLoop]: Abstraction has 7414 states and 12572 transitions. [2020-11-12 06:19:42,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 12572 transitions. [2020-11-12 06:19:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 06:19:42,250 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:42,250 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:42,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:19:42,250 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash 186754529, now seen corresponding path program 1 times [2020-11-12 06:19:42,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:42,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73684482] [2020-11-12 06:19:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:42,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73684482] [2020-11-12 06:19:42,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:42,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:19:42,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174079889] [2020-11-12 06:19:42,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:19:42,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:42,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:19:42,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:19:42,366 INFO L87 Difference]: Start difference. First operand 7414 states and 12572 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2020-11-12 06:19:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:42,532 INFO L93 Difference]: Finished difference Result 9634 states and 17939 transitions. [2020-11-12 06:19:42,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:19:42,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) Word has length 54 [2020-11-12 06:19:42,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:42,551 INFO L225 Difference]: With dead ends: 9634 [2020-11-12 06:19:42,551 INFO L226 Difference]: Without dead ends: 7234 [2020-11-12 06:19:42,551 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2020-11-12 06:19:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2020-11-12 06:19:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 6838 states have (on average 1.786633518572682) internal successors, (12217), 7233 states have internal predecessors, (12217), 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) [2020-11-12 06:19:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 12217 transitions. [2020-11-12 06:19:42,840 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 12217 transitions. Word has length 54 [2020-11-12 06:19:42,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:42,842 INFO L481 AbstractCegarLoop]: Abstraction has 7234 states and 12217 transitions. [2020-11-12 06:19:42,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2020-11-12 06:19:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 12217 transitions. [2020-11-12 06:19:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 06:19:42,855 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:42,856 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:42,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:19:42,856 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:42,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:42,857 INFO L82 PathProgramCache]: Analyzing trace with hash -599761193, now seen corresponding path program 1 times [2020-11-12 06:19:42,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:42,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066961484] [2020-11-12 06:19:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:43,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066961484] [2020-11-12 06:19:43,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:43,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:43,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236465235] [2020-11-12 06:19:43,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:43,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:43,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:43,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:43,046 INFO L87 Difference]: Start difference. First operand 7234 states and 12217 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2020-11-12 06:19:43,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:43,273 INFO L93 Difference]: Finished difference Result 8566 states and 15821 transitions. [2020-11-12 06:19:43,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:19:43,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) Word has length 55 [2020-11-12 06:19:43,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:43,294 INFO L225 Difference]: With dead ends: 8566 [2020-11-12 06:19:43,294 INFO L226 Difference]: Without dead ends: 6306 [2020-11-12 06:19:43,295 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:19:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2020-11-12 06:19:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6306. [2020-11-12 06:19:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 5946 states have (on average 1.7384796501849984) internal successors, (10337), 6305 states have internal predecessors, (10337), 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) [2020-11-12 06:19:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 10337 transitions. [2020-11-12 06:19:43,476 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 10337 transitions. Word has length 55 [2020-11-12 06:19:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:43,476 INFO L481 AbstractCegarLoop]: Abstraction has 6306 states and 10337 transitions. [2020-11-12 06:19:43,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2020-11-12 06:19:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 10337 transitions. [2020-11-12 06:19:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 06:19:43,490 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:43,490 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:43,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:19:43,490 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:43,491 INFO L82 PathProgramCache]: Analyzing trace with hash -562614708, now seen corresponding path program 1 times [2020-11-12 06:19:43,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:43,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052566970] [2020-11-12 06:19:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:43,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052566970] [2020-11-12 06:19:43,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:43,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:19:43,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625032106] [2020-11-12 06:19:43,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:19:43,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:43,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:19:43,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:19:43,637 INFO L87 Difference]: Start difference. First operand 6306 states and 10337 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-11-12 06:19:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:43,852 INFO L93 Difference]: Finished difference Result 6009 states and 10733 transitions. [2020-11-12 06:19:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 06:19:43,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) Word has length 56 [2020-11-12 06:19:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:43,862 INFO L225 Difference]: With dead ends: 6009 [2020-11-12 06:19:43,862 INFO L226 Difference]: Without dead ends: 4329 [2020-11-12 06:19:43,863 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 06:19:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2020-11-12 06:19:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4329. [2020-11-12 06:19:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 4086 states have (on average 1.600342633382281) internal successors, (6539), 4328 states have internal predecessors, (6539), 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) [2020-11-12 06:19:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6539 transitions. [2020-11-12 06:19:43,969 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6539 transitions. Word has length 56 [2020-11-12 06:19:43,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:43,970 INFO L481 AbstractCegarLoop]: Abstraction has 4329 states and 6539 transitions. [2020-11-12 06:19:43,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-11-12 06:19:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6539 transitions. [2020-11-12 06:19:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-12 06:19:43,979 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:43,980 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:43,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:19:43,980 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash 622053191, now seen corresponding path program 1 times [2020-11-12 06:19:43,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:43,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935173352] [2020-11-12 06:19:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935173352] [2020-11-12 06:19:44,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-12 06:19:44,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134409105] [2020-11-12 06:19:44,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-12 06:19:44,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-12 06:19:44,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-12 06:19:44,130 INFO L87 Difference]: Start difference. First operand 4329 states and 6539 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:44,419 INFO L93 Difference]: Finished difference Result 3033 states and 4964 transitions. [2020-11-12 06:19:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-12 06:19:44,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-12 06:19:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:44,424 INFO L225 Difference]: With dead ends: 3033 [2020-11-12 06:19:44,424 INFO L226 Difference]: Without dead ends: 1842 [2020-11-12 06:19:44,425 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-11-12 06:19:44,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2020-11-12 06:19:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2020-11-12 06:19:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1761 states have (on average 1.43725156161272) internal successors, (2531), 1841 states have internal predecessors, (2531), 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) [2020-11-12 06:19:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2531 transitions. [2020-11-12 06:19:44,459 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2531 transitions. Word has length 58 [2020-11-12 06:19:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:44,459 INFO L481 AbstractCegarLoop]: Abstraction has 1842 states and 2531 transitions. [2020-11-12 06:19:44,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:19:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2531 transitions. [2020-11-12 06:19:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:44,463 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:44,463 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:44,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 06:19:44,464 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:44,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2073557176, now seen corresponding path program 1 times [2020-11-12 06:19:44,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:44,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066030958] [2020-11-12 06:19:44,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066030958] [2020-11-12 06:19:44,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:44,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165160298] [2020-11-12 06:19:44,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:44,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:44,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:44,552 INFO L87 Difference]: Start difference. First operand 1842 states and 2531 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 06:19:44,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:44,650 INFO L93 Difference]: Finished difference Result 3012 states and 4315 transitions. [2020-11-12 06:19:44,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:44,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) Word has length 60 [2020-11-12 06:19:44,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:44,654 INFO L225 Difference]: With dead ends: 3012 [2020-11-12 06:19:44,654 INFO L226 Difference]: Without dead ends: 1544 [2020-11-12 06:19:44,655 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-11-12 06:19:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2020-11-12 06:19:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1463 states have (on average 1.4771018455228981) internal successors, (2161), 1543 states have internal predecessors, (2161), 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) [2020-11-12 06:19:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2161 transitions. [2020-11-12 06:19:44,684 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2161 transitions. Word has length 60 [2020-11-12 06:19:44,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:44,684 INFO L481 AbstractCegarLoop]: Abstraction has 1544 states and 2161 transitions. [2020-11-12 06:19:44,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 06:19:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2161 transitions. [2020-11-12 06:19:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-12 06:19:44,688 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:19:44,688 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 06:19:44,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 06:19:44,688 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:19:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:19:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash 992791658, now seen corresponding path program 2 times [2020-11-12 06:19:44,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:19:44,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304741503] [2020-11-12 06:19:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:19:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:19:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 06:19:44,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304741503] [2020-11-12 06:19:44,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:19:44,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:19:44,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534438985] [2020-11-12 06:19:44,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:19:44,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:19:44,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:19:44,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:19:44,781 INFO L87 Difference]: Start difference. First operand 1544 states and 2161 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 06:19:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:19:44,852 INFO L93 Difference]: Finished difference Result 1220 states and 1837 transitions. [2020-11-12 06:19:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 06:19:44,853 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) Word has length 60 [2020-11-12 06:19:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:19:44,853 INFO L225 Difference]: With dead ends: 1220 [2020-11-12 06:19:44,853 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:19:44,854 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-12 06:19:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:19:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:19:44,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2020-11-12 06:19:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:19:44,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-12 06:19:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:19:44,855 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:19:44,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2020-11-12 06:19:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:19:44,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:19:44,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 06:19:44,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:19:44 BasicIcfg [2020-11-12 06:19:44,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:19:44,863 INFO L168 Benchmark]: Toolchain (without parser) took 23204.86 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 277.5 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 549.3 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,864 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:19:44,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.05 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 282.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.10 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 280.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,866 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 302.0 MB. Free memory was 280.7 MB in the beginning and 278.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,866 INFO L168 Benchmark]: RCFGBuilder took 486.36 ms. Allocated memory is still 302.0 MB. Free memory was 278.6 MB in the beginning and 254.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,867 INFO L168 Benchmark]: TraceAbstraction took 21816.19 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 253.5 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 522.8 MB. Max. memory is 16.0 GB. [2020-11-12 06:19:44,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 795.05 ms. Allocated memory is still 302.0 MB. Free memory was 276.8 MB in the beginning and 282.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.10 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 280.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 302.0 MB. Free memory was 280.7 MB in the beginning and 278.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 486.36 ms. Allocated memory is still 302.0 MB. Free memory was 278.6 MB in the beginning and 254.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 21816.19 ms. Allocated memory was 302.0 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 253.5 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 522.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.4s, HoareTripleCheckerStatistics: 936 SDtfs, 1434 SDslu, 3407 SDs, 0 SdLazy, 448 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54312occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 2560 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 84913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...