/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/safe017_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 06:18:43,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 06:18:43,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 06:18:43,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 06:18:43,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 06:18:43,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 06:18:43,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 06:18:43,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 06:18:43,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 06:18:43,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 06:18:43,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 06:18:43,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 06:18:43,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 06:18:43,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 06:18:43,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 06:18:43,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 06:18:43,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 06:18:43,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 06:18:43,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 06:18:43,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 06:18:43,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 06:18:43,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 06:18:43,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 06:18:43,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 06:18:43,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 06:18:43,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 06:18:43,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 06:18:43,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 06:18:43,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 06:18:43,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 06:18:43,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 06:18:43,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 06:18:43,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 06:18:43,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 06:18:43,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 06:18:43,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 06:18:43,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 06:18:43,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 06:18:43,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 06:18:43,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 06:18:43,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 06:18:43,520 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 06:18:43,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 06:18:43,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 06:18:43,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 06:18:43,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 06:18:43,550 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 06:18:43,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 06:18:43,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 06:18:43,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 06:18:43,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 06:18:43,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 06:18:43,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 06:18:43,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 06:18:43,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 06:18:43,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 06:18:43,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 06:18:43,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 06:18:43,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 06:18:43,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 06:18:43,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 06:18:43,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 06:18:43,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 06:18:43,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 06:18:43,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 06:18:43,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 06:18:43,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 06:18:43,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 06:18:43,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 06:18:43,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 06:18:43,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 06:18:43,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 06:18:43,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 06:18:43,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 06:18:43,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 06:18:43,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 06:18:43,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 06:18:43,965 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 06:18:43,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2020-11-12 06:18:44,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bc49c91/daff0b496ecd40acbb0a5d959dbb46a9/FLAGbd5c45c5c [2020-11-12 06:18:44,845 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 06:18:44,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2020-11-12 06:18:44,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bc49c91/daff0b496ecd40acbb0a5d959dbb46a9/FLAGbd5c45c5c [2020-11-12 06:18:45,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2bc49c91/daff0b496ecd40acbb0a5d959dbb46a9 [2020-11-12 06:18:45,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 06:18:45,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 06:18:45,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 06:18:45,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 06:18:45,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 06:18:45,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2eaee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45, skipping insertion in model container [2020-11-12 06:18:45,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 06:18:45,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 06:18:45,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:18:45,644 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 06:18:45,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 06:18:45,818 INFO L208 MainTranslator]: Completed translation [2020-11-12 06:18:45,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45 WrapperNode [2020-11-12 06:18:45,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 06:18:45,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 06:18:45,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 06:18:45,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 06:18:45,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 06:18:45,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 06:18:45,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 06:18:45,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 06:18:45,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (1/1) ... [2020-11-12 06:18:45,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 06:18:45,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 06:18:45,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 06:18:45,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 06:18:45,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (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 06:18:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 06:18:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 06:18:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 06:18:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 06:18:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 06:18:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 06:18:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 06:18:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 06:18:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 06:18:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 06:18:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 06:18:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 06:18:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 06:18:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 06:18:46,066 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 06:18:46,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 06:18:46,545 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 06:18:46,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:18:46 BoogieIcfgContainer [2020-11-12 06:18:46,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 06:18:46,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 06:18:46,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 06:18:46,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 06:18:46,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:18:45" (1/3) ... [2020-11-12 06:18:46,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e0969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:18:46, skipping insertion in model container [2020-11-12 06:18:46,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:18:45" (2/3) ... [2020-11-12 06:18:46,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e0969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:18:46, skipping insertion in model container [2020-11-12 06:18:46,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:18:46" (3/3) ... [2020-11-12 06:18:46,560 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2020-11-12 06:18:46,577 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 06:18:46,578 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 06:18:46,582 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 06:18:46,583 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 06:18:46,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,615 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,615 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,616 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,616 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,618 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,618 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,619 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,619 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,621 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,621 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,622 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,622 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,627 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,627 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,636 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,636 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 06:18:46,639 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 06:18:46,652 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 06:18:46,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 06:18:46,677 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 06:18:46,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 06:18:46,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 06:18:46,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 06:18:46,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 06:18:46,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 06:18:46,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 06:18:46,691 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 76 transitions, 167 flow [2020-11-12 06:18:47,473 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8446 states, 8444 states have (on average 3.5900047370914256) internal successors, (30314), 8445 states have internal predecessors, (30314), 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 06:18:48,159 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 681ms [2020-11-12 06:18:48,191 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 8446 states, 8444 states have (on average 3.5900047370914256) internal successors, (30314), 8445 states have internal predecessors, (30314), 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 06:18:48,207 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 8446 states, 7851 states have (on average 1.4092472296522736) internal successors, (11064), 8445 states have internal predecessors, (11064), 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 06:18:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 8446 states, 7851 states have (on average 1.4092472296522736) internal successors, (11064), 8445 states have internal predecessors, (11064), 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 06:18:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-12 06:18:48,246 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:48,247 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] [2020-11-12 06:18:48,247 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1568087296, now seen corresponding path program 1 times [2020-11-12 06:18:48,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:48,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124242138] [2020-11-12 06:18:48,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:48,814 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 06:18:48,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124242138] [2020-11-12 06:18:48,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:48,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:18:48,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981586451] [2020-11-12 06:18:48,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:18:48,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:48,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:18:48,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:18:48,858 INFO L87 Difference]: Start difference. First operand has 8446 states, 7851 states have (on average 1.4092472296522736) internal successors, (11064), 8445 states have internal predecessors, (11064), 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 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:18:49,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:49,133 INFO L93 Difference]: Finished difference Result 11326 states and 13904 transitions. [2020-11-12 06:18:49,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:18:49,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2020-11-12 06:18:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:49,179 INFO L225 Difference]: With dead ends: 11326 [2020-11-12 06:18:49,179 INFO L226 Difference]: Without dead ends: 4085 [2020-11-12 06:18:49,181 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 06:18:49,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4085 states. [2020-11-12 06:18:49,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4085 to 4085. [2020-11-12 06:18:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4085 states, 3827 states have (on average 1.480794355892344) internal successors, (5667), 4084 states have internal predecessors, (5667), 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 06:18:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 4085 states and 5667 transitions. [2020-11-12 06:18:49,481 INFO L78 Accepts]: Start accepts. Automaton has 4085 states and 5667 transitions. Word has length 40 [2020-11-12 06:18:49,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:49,483 INFO L481 AbstractCegarLoop]: Abstraction has 4085 states and 5667 transitions. [2020-11-12 06:18:49,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 06:18:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 4085 states and 5667 transitions. [2020-11-12 06:18:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 06:18:49,496 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:49,497 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] [2020-11-12 06:18:49,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 06:18:49,504 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:49,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1182497087, now seen corresponding path program 1 times [2020-11-12 06:18:49,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:49,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645260291] [2020-11-12 06:18:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:49,670 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 06:18:49,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645260291] [2020-11-12 06:18:49,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:49,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:18:49,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113979386] [2020-11-12 06:18:49,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:18:49,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:49,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:18:49,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:18:49,674 INFO L87 Difference]: Start difference. First operand 4085 states and 5667 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:18:49,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:49,812 INFO L93 Difference]: Finished difference Result 4445 states and 6557 transitions. [2020-11-12 06:18:49,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:18:49,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2020-11-12 06:18:49,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:49,829 INFO L225 Difference]: With dead ends: 4445 [2020-11-12 06:18:49,829 INFO L226 Difference]: Without dead ends: 3245 [2020-11-12 06:18:49,830 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 06:18:49,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2020-11-12 06:18:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3245. [2020-11-12 06:18:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 3047 states have (on average 1.485067279291106) internal successors, (4525), 3244 states have internal predecessors, (4525), 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 06:18:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 4525 transitions. [2020-11-12 06:18:49,916 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 4525 transitions. Word has length 42 [2020-11-12 06:18:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:49,916 INFO L481 AbstractCegarLoop]: Abstraction has 3245 states and 4525 transitions. [2020-11-12 06:18:49,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 06:18:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 4525 transitions. [2020-11-12 06:18:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 06:18:49,923 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:49,923 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] [2020-11-12 06:18:49,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 06:18:49,923 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:49,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:49,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1313730138, now seen corresponding path program 1 times [2020-11-12 06:18:49,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:49,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573099247] [2020-11-12 06:18:49,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:50,161 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 06:18:50,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573099247] [2020-11-12 06:18:50,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:50,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:18:50,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105131094] [2020-11-12 06:18:50,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:18:50,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:50,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:18:50,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:18:50,165 INFO L87 Difference]: Start difference. First operand 3245 states and 4525 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 06:18:50,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:50,371 INFO L93 Difference]: Finished difference Result 5041 states and 7433 transitions. [2020-11-12 06:18:50,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:18:50,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 43 [2020-11-12 06:18:50,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:50,386 INFO L225 Difference]: With dead ends: 5041 [2020-11-12 06:18:50,387 INFO L226 Difference]: Without dead ends: 2827 [2020-11-12 06:18:50,387 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 06:18:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-11-12 06:18:50,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2827. [2020-11-12 06:18:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2655 states have (on average 1.4983050847457626) internal successors, (3978), 2826 states have internal predecessors, (3978), 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 06:18:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3978 transitions. [2020-11-12 06:18:50,460 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3978 transitions. Word has length 43 [2020-11-12 06:18:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:50,461 INFO L481 AbstractCegarLoop]: Abstraction has 2827 states and 3978 transitions. [2020-11-12 06:18:50,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 06:18:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3978 transitions. [2020-11-12 06:18:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:18:50,468 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:50,468 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] [2020-11-12 06:18:50,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 06:18:50,469 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:50,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:50,472 INFO L82 PathProgramCache]: Analyzing trace with hash -437551610, now seen corresponding path program 1 times [2020-11-12 06:18:50,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:50,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627977503] [2020-11-12 06:18:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:50,665 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 06:18:50,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627977503] [2020-11-12 06:18:50,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:50,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:18:50,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771542154] [2020-11-12 06:18:50,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:18:50,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:50,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:18:50,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:18:50,669 INFO L87 Difference]: Start difference. First operand 2827 states and 3978 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:18:50,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:50,834 INFO L93 Difference]: Finished difference Result 4587 states and 6897 transitions. [2020-11-12 06:18:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:18:50,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2020-11-12 06:18:50,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:50,879 INFO L225 Difference]: With dead ends: 4587 [2020-11-12 06:18:50,880 INFO L226 Difference]: Without dead ends: 2859 [2020-11-12 06:18:50,880 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 06:18:50,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2020-11-12 06:18:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2219. [2020-11-12 06:18:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2219 states, 2087 states have (on average 1.5031145184475323) internal successors, (3137), 2218 states have internal predecessors, (3137), 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 06:18:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 3137 transitions. [2020-11-12 06:18:50,951 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 3137 transitions. Word has length 45 [2020-11-12 06:18:50,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:50,952 INFO L481 AbstractCegarLoop]: Abstraction has 2219 states and 3137 transitions. [2020-11-12 06:18:50,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:18:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 3137 transitions. [2020-11-12 06:18:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 06:18:50,956 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:50,956 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] [2020-11-12 06:18:50,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 06:18:50,957 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:50,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:50,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1369888857, now seen corresponding path program 1 times [2020-11-12 06:18:50,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:50,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705089037] [2020-11-12 06:18:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:51,112 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 06:18:51,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705089037] [2020-11-12 06:18:51,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:51,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:18:51,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752706039] [2020-11-12 06:18:51,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:18:51,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:51,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:18:51,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:18:51,119 INFO L87 Difference]: Start difference. First operand 2219 states and 3137 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:18:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:51,282 INFO L93 Difference]: Finished difference Result 3483 states and 5301 transitions. [2020-11-12 06:18:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:18:51,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2020-11-12 06:18:51,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:51,294 INFO L225 Difference]: With dead ends: 3483 [2020-11-12 06:18:51,294 INFO L226 Difference]: Without dead ends: 1901 [2020-11-12 06:18:51,295 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 06:18:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2020-11-12 06:18:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1261. [2020-11-12 06:18:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1161 states have (on average 1.5133505598621877) internal successors, (1757), 1260 states have internal predecessors, (1757), 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 06:18:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1757 transitions. [2020-11-12 06:18:51,338 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1757 transitions. Word has length 45 [2020-11-12 06:18:51,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:51,338 INFO L481 AbstractCegarLoop]: Abstraction has 1261 states and 1757 transitions. [2020-11-12 06:18:51,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 06:18:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1757 transitions. [2020-11-12 06:18:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 06:18:51,347 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:51,347 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 06:18:51,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 06:18:51,348 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:51,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:51,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1255003391, now seen corresponding path program 1 times [2020-11-12 06:18:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:51,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725603224] [2020-11-12 06:18:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:51,507 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 06:18:51,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725603224] [2020-11-12 06:18:51,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:51,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 06:18:51,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447324117] [2020-11-12 06:18:51,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 06:18:51,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:51,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 06:18:51,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 06:18:51,510 INFO L87 Difference]: Start difference. First operand 1261 states and 1757 transitions. 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 06:18:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:51,640 INFO L93 Difference]: Finished difference Result 1358 states and 1844 transitions. [2020-11-12 06:18:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 06:18:51,640 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 06:18:51,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:51,649 INFO L225 Difference]: With dead ends: 1358 [2020-11-12 06:18:51,649 INFO L226 Difference]: Without dead ends: 1211 [2020-11-12 06:18:51,650 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 06:18:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2020-11-12 06:18:51,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1211. [2020-11-12 06:18:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1115 states have (on average 1.505829596412556) internal successors, (1679), 1210 states have internal predecessors, (1679), 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 06:18:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1679 transitions. [2020-11-12 06:18:51,681 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1679 transitions. Word has length 46 [2020-11-12 06:18:51,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:51,681 INFO L481 AbstractCegarLoop]: Abstraction has 1211 states and 1679 transitions. [2020-11-12 06:18:51,682 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 06:18:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1679 transitions. [2020-11-12 06:18:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 06:18:51,685 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:51,685 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] [2020-11-12 06:18:51,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 06:18:51,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:51,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:51,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2024563903, now seen corresponding path program 1 times [2020-11-12 06:18:51,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:51,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606966147] [2020-11-12 06:18:51,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:51,846 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 06:18:51,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606966147] [2020-11-12 06:18:51,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:51,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 06:18:51,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848484975] [2020-11-12 06:18:51,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 06:18:51,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:51,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 06:18:51,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 06:18:51,850 INFO L87 Difference]: Start difference. First operand 1211 states and 1679 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:18:52,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:52,003 INFO L93 Difference]: Finished difference Result 1004 states and 1326 transitions. [2020-11-12 06:18:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 06:18:52,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47 [2020-11-12 06:18:52,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:52,009 INFO L225 Difference]: With dead ends: 1004 [2020-11-12 06:18:52,010 INFO L226 Difference]: Without dead ends: 822 [2020-11-12 06:18:52,011 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:18:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-11-12 06:18:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 822. [2020-11-12 06:18:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 759 states have (on average 1.466403162055336) internal successors, (1113), 821 states have internal predecessors, (1113), 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 06:18:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1113 transitions. [2020-11-12 06:18:52,043 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1113 transitions. Word has length 47 [2020-11-12 06:18:52,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:52,043 INFO L481 AbstractCegarLoop]: Abstraction has 822 states and 1113 transitions. [2020-11-12 06:18:52,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:18:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1113 transitions. [2020-11-12 06:18:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 06:18:52,046 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 06:18:52,046 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 06:18:52,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 06:18:52,047 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 06:18:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 06:18:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash -879558858, now seen corresponding path program 1 times [2020-11-12 06:18:52,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 06:18:52,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231348887] [2020-11-12 06:18:52,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 06:18:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 06:18:52,218 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 06:18:52,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231348887] [2020-11-12 06:18:52,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 06:18:52,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 06:18:52,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885403911] [2020-11-12 06:18:52,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 06:18:52,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 06:18:52,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 06:18:52,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 06:18:52,221 INFO L87 Difference]: Start difference. First operand 822 states and 1113 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 06:18:52,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 06:18:52,352 INFO L93 Difference]: Finished difference Result 300 states and 360 transitions. [2020-11-12 06:18:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 06:18:52,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 06:18:52,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 06:18:52,352 INFO L225 Difference]: With dead ends: 300 [2020-11-12 06:18:52,353 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 06:18:52,353 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-12 06:18:52,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 06:18:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 06:18:52,354 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 06:18:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 06:18:52,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2020-11-12 06:18:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 06:18:52,355 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 06:18:52,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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 06:18:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 06:18:52,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 06:18:52,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 06:18:52,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:18:52 BasicIcfg [2020-11-12 06:18:52,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 06:18:52,367 INFO L168 Benchmark]: Toolchain (without parser) took 7249.19 ms. Allocated memory was 302.0 MB in the beginning and 666.9 MB in the end (delta: 364.9 MB). Free memory was 276.4 MB in the beginning and 399.8 MB in the end (delta: -123.4 MB). Peak memory consumption was 242.3 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,368 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 06:18:52,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.87 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 274.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.39 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 272.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,372 INFO L168 Benchmark]: Boogie Preprocessor took 63.35 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 271.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,372 INFO L168 Benchmark]: RCFGBuilder took 572.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.0 MB in the beginning and 249.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,376 INFO L168 Benchmark]: TraceAbstraction took 5808.28 ms. Allocated memory was 302.0 MB in the beginning and 666.9 MB in the end (delta: 364.9 MB). Free memory was 248.5 MB in the beginning and 399.8 MB in the end (delta: -151.3 MB). Peak memory consumption was 213.5 MB. Max. memory is 16.0 GB. [2020-11-12 06:18:52,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 699.87 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 274.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 88.39 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 272.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.35 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 271.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 572.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.0 MB in the beginning and 249.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5808.28 ms. Allocated memory was 302.0 MB in the beginning and 666.9 MB in the end (delta: 364.9 MB). Free memory was 248.5 MB in the beginning and 399.8 MB in the end (delta: -151.3 MB). Peak memory consumption was 213.5 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 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 590 SDtfs, 785 SDslu, 2019 SDs, 0 SdLazy, 225 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8446occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 1280 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 41323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...