/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-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:17:59,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:17:59,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:17:59,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:17:59,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:17:59,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:17:59,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:17:59,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:17:59,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:17:59,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:17:59,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:17:59,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:17:59,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:17:59,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:17:59,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:17:59,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:17:59,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:17:59,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:17:59,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:17:59,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:17:59,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:17:59,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:17:59,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:17:59,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:17:59,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 12:17:59,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 12:17:59,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 12:17:59,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 12:17:59,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 12:17:59,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 12:17:59,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:17:59,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:17:59,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:17:59,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:17:59,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:17:59,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:17:59,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:17:59,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:17:59,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:17:59,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:17:59,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:17:59,750 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-New_States.epf [2020-11-12 12:17:59,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:17:59,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:17:59,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:17:59,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:17:59,778 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:17:59,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:17:59,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:17:59,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:17:59,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:17:59,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:17:59,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:17:59,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:17:59,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:17:59,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:17:59,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:17:59,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:17:59,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:17:59,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:17:59,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:17:59,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:17:59,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:17:59,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:17:59,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:17:59,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:17:59,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:17:59,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:17:59,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:17:59,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:17:59,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:17:59,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:17:59,784 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:18:00,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:18:00,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:18:00,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:18:00,260 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:18:00,261 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:18:00,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.opt.i [2020-11-12 12:18:00,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f15cb73/f084bd2248cc423e870507e07ba8f7c9/FLAGfa6bfa93d [2020-11-12 12:18:01,175 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:18:01,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.opt.i [2020-11-12 12:18:01,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f15cb73/f084bd2248cc423e870507e07ba8f7c9/FLAGfa6bfa93d [2020-11-12 12:18:01,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f15cb73/f084bd2248cc423e870507e07ba8f7c9 [2020-11-12 12:18:01,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:18:01,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:18:01,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:18:01,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:18:01,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:18:01,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:18:01" (1/1) ... [2020-11-12 12:18:01,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781eac99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:01, skipping insertion in model container [2020-11-12 12:18:01,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:18:01" (1/1) ... [2020-11-12 12:18:01,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:18:01,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:18:01,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:18:01,937 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:18:02,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:18:02,162 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:18:02,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02 WrapperNode [2020-11-12 12:18:02,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:18:02,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:18:02,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:18:02,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:18:02,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:18:02,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:18:02,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:18:02,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:18:02,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (1/1) ... [2020-11-12 12:18:02,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:18:02,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:18:02,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:18:02,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:18:02,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (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 12:18:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:18:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:18:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:18:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:18:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:18:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:18:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:18:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:18:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:18:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:18:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:18:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:18:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:18:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:18:02,403 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 12:18:02,824 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:18:02,824 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:18:02,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:18:02 BoogieIcfgContainer [2020-11-12 12:18:02,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:18:02,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:18:02,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:18:02,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:18:02,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:18:01" (1/3) ... [2020-11-12 12:18:02,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2448d381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:18:02, skipping insertion in model container [2020-11-12 12:18:02,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:18:02" (2/3) ... [2020-11-12 12:18:02,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2448d381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:18:02, skipping insertion in model container [2020-11-12 12:18:02,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:18:02" (3/3) ... [2020-11-12 12:18:02,836 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_tso.opt.i [2020-11-12 12:18:02,853 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:18:02,854 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:18:02,858 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:18:02,859 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:18:02,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,906 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,922 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,922 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:18:02,926 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:18:02,942 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:18:02,969 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:18:02,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:18:02,970 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:18:02,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:18:02,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:18:02,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:18:02,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:18:02,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:18:02,984 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow [2020-11-12 12:18:04,259 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 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 12:18:05,108 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 846ms [2020-11-12 12:18:05,178 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 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 12:18:05,227 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 34376 states, 31255 states have (on average 1.2066549352103664) internal successors, (37714), 34375 states have internal predecessors, (37714), 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 12:18:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 34376 states, 31255 states have (on average 1.2066549352103664) internal successors, (37714), 34375 states have internal predecessors, (37714), 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 12:18:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 12:18:05,315 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:05,316 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] [2020-11-12 12:18:05,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:05,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1699432098, now seen corresponding path program 1 times [2020-11-12 12:18:05,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:05,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157106867] [2020-11-12 12:18:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:05,917 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 12:18:05,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157106867] [2020-11-12 12:18:05,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:05,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:18:05,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123528914] [2020-11-12 12:18:05,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:18:05,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:05,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:18:05,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:18:05,980 INFO L87 Difference]: Start difference. First operand has 34376 states, 31255 states have (on average 1.2066549352103664) internal successors, (37714), 34375 states have internal predecessors, (37714), 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 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:18:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:06,303 INFO L93 Difference]: Finished difference Result 15578 states and 18017 transitions. [2020-11-12 12:18:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:18:06,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2020-11-12 12:18:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:06,361 INFO L225 Difference]: With dead ends: 15578 [2020-11-12 12:18:06,361 INFO L226 Difference]: Without dead ends: 5388 [2020-11-12 12:18:06,364 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 12:18:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2020-11-12 12:18:06,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2020-11-12 12:18:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5388 states, 5087 states have (on average 1.3343817574208767) internal successors, (6788), 5387 states have internal predecessors, (6788), 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 12:18:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 6788 transitions. [2020-11-12 12:18:06,633 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 6788 transitions. Word has length 41 [2020-11-12 12:18:06,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:06,634 INFO L481 AbstractCegarLoop]: Abstraction has 5388 states and 6788 transitions. [2020-11-12 12:18:06,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:18:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 6788 transitions. [2020-11-12 12:18:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 12:18:06,643 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:06,643 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 12:18:06,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:18:06,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1361234625, now seen corresponding path program 1 times [2020-11-12 12:18:06,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:06,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802545475] [2020-11-12 12:18:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:06,785 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 12:18:06,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802545475] [2020-11-12 12:18:06,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:06,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:18:06,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66588058] [2020-11-12 12:18:06,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:18:06,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:06,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:18:06,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:18:06,790 INFO L87 Difference]: Start difference. First operand 5388 states and 6788 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 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 12:18:06,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:06,962 INFO L93 Difference]: Finished difference Result 5813 states and 7202 transitions. [2020-11-12 12:18:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:18:06,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 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 12:18:06,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:06,983 INFO L225 Difference]: With dead ends: 5813 [2020-11-12 12:18:06,983 INFO L226 Difference]: Without dead ends: 4328 [2020-11-12 12:18:06,984 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 12:18:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2020-11-12 12:18:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4328. [2020-11-12 12:18:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 4097 states have (on average 1.3265804247010007) internal successors, (5435), 4327 states have internal predecessors, (5435), 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 12:18:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 5435 transitions. [2020-11-12 12:18:07,100 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 5435 transitions. Word has length 43 [2020-11-12 12:18:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:07,100 INFO L481 AbstractCegarLoop]: Abstraction has 4328 states and 5435 transitions. [2020-11-12 12:18:07,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 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 12:18:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 5435 transitions. [2020-11-12 12:18:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-12 12:18:07,107 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:07,107 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] [2020-11-12 12:18:07,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:18:07,108 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:07,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:07,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1998767231, now seen corresponding path program 1 times [2020-11-12 12:18:07,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:07,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896162771] [2020-11-12 12:18:07,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:07,281 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 12:18:07,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896162771] [2020-11-12 12:18:07,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:07,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:18:07,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188434104] [2020-11-12 12:18:07,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:18:07,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:07,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:18:07,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:18:07,285 INFO L87 Difference]: Start difference. First operand 4328 states and 5435 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 12:18:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:07,477 INFO L93 Difference]: Finished difference Result 5555 states and 7119 transitions. [2020-11-12 12:18:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:18:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44 [2020-11-12 12:18:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:07,489 INFO L225 Difference]: With dead ends: 5555 [2020-11-12 12:18:07,490 INFO L226 Difference]: Without dead ends: 2433 [2020-11-12 12:18:07,490 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:18:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2020-11-12 12:18:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2433. [2020-11-12 12:18:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2301 states have (on average 1.2759669708822252) internal successors, (2936), 2432 states have internal predecessors, (2936), 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 12:18:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 2936 transitions. [2020-11-12 12:18:07,598 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 2936 transitions. Word has length 44 [2020-11-12 12:18:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:07,598 INFO L481 AbstractCegarLoop]: Abstraction has 2433 states and 2936 transitions. [2020-11-12 12:18:07,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 12:18:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2936 transitions. [2020-11-12 12:18:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:18:07,603 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:07,603 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 12:18:07,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:18:07,604 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:07,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:07,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2097074480, now seen corresponding path program 1 times [2020-11-12 12:18:07,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:07,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066066451] [2020-11-12 12:18:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:07,763 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 12:18:07,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066066451] [2020-11-12 12:18:07,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:07,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:18:07,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888792493] [2020-11-12 12:18:07,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:18:07,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:07,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:18:07,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:18:07,766 INFO L87 Difference]: Start difference. First operand 2433 states and 2936 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 12:18:07,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:07,914 INFO L93 Difference]: Finished difference Result 4156 states and 4786 transitions. [2020-11-12 12:18:07,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:18:07,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 12:18:07,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:07,927 INFO L225 Difference]: With dead ends: 4156 [2020-11-12 12:18:07,927 INFO L226 Difference]: Without dead ends: 2478 [2020-11-12 12:18:07,928 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 12:18:07,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2020-11-12 12:18:07,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 1902. [2020-11-12 12:18:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1802 states have (on average 1.276914539400666) internal successors, (2301), 1901 states have internal predecessors, (2301), 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 12:18:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2301 transitions. [2020-11-12 12:18:07,990 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2301 transitions. Word has length 47 [2020-11-12 12:18:07,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:07,991 INFO L481 AbstractCegarLoop]: Abstraction has 1902 states and 2301 transitions. [2020-11-12 12:18:07,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 12:18:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2301 transitions. [2020-11-12 12:18:07,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 12:18:07,996 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:07,996 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 12:18:07,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:18:07,996 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:07,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:07,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1048386447, now seen corresponding path program 1 times [2020-11-12 12:18:07,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:07,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186571286] [2020-11-12 12:18:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:08,198 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 12:18:08,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186571286] [2020-11-12 12:18:08,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:08,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:18:08,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74887265] [2020-11-12 12:18:08,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:18:08,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:08,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:18:08,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:18:08,209 INFO L87 Difference]: Start difference. First operand 1902 states and 2301 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 12:18:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:08,341 INFO L93 Difference]: Finished difference Result 1929 states and 2274 transitions. [2020-11-12 12:18:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:18:08,342 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 12:18:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:08,350 INFO L225 Difference]: With dead ends: 1929 [2020-11-12 12:18:08,351 INFO L226 Difference]: Without dead ends: 1803 [2020-11-12 12:18:08,351 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-12 12:18:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-11-12 12:18:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1803. [2020-11-12 12:18:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1707 states have (on average 1.258347978910369) internal successors, (2148), 1802 states have internal predecessors, (2148), 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 12:18:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2148 transitions. [2020-11-12 12:18:08,412 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2148 transitions. Word has length 48 [2020-11-12 12:18:08,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:08,413 INFO L481 AbstractCegarLoop]: Abstraction has 1803 states and 2148 transitions. [2020-11-12 12:18:08,413 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 12:18:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2148 transitions. [2020-11-12 12:18:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:18:08,422 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:08,422 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 12:18:08,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:18:08,423 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:08,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash 2057181026, now seen corresponding path program 1 times [2020-11-12 12:18:08,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:08,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725442103] [2020-11-12 12:18:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:08,633 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 12:18:08,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725442103] [2020-11-12 12:18:08,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:08,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:18:08,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320694882] [2020-11-12 12:18:08,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:18:08,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:08,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:18:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:18:08,639 INFO L87 Difference]: Start difference. First operand 1803 states and 2148 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 12:18:08,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:08,778 INFO L93 Difference]: Finished difference Result 1599 states and 1770 transitions. [2020-11-12 12:18:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:18:08,779 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 12:18:08,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:08,785 INFO L225 Difference]: With dead ends: 1599 [2020-11-12 12:18:08,785 INFO L226 Difference]: Without dead ends: 1284 [2020-11-12 12:18:08,786 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-12 12:18:08,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-11-12 12:18:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2020-11-12 12:18:08,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1212 states have (on average 1.1872937293729373) internal successors, (1439), 1283 states have internal predecessors, (1439), 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 12:18:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1439 transitions. [2020-11-12 12:18:08,820 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1439 transitions. Word has length 49 [2020-11-12 12:18:08,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:08,821 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 1439 transitions. [2020-11-12 12:18:08,821 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 12:18:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1439 transitions. [2020-11-12 12:18:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 12:18:08,824 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:08,825 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 12:18:08,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:18:08,825 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:08,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1401872003, now seen corresponding path program 1 times [2020-11-12 12:18:08,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:08,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978946029] [2020-11-12 12:18:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:08,997 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 12:18:08,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978946029] [2020-11-12 12:18:08,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:08,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:18:08,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918592478] [2020-11-12 12:18:08,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:18:08,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:08,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:18:09,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:18:09,001 INFO L87 Difference]: Start difference. First operand 1284 states and 1439 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 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 12:18:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:09,188 INFO L93 Difference]: Finished difference Result 844 states and 854 transitions. [2020-11-12 12:18:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:18:09,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 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 12:18:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:09,191 INFO L225 Difference]: With dead ends: 844 [2020-11-12 12:18:09,192 INFO L226 Difference]: Without dead ends: 448 [2020-11-12 12:18:09,193 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:18:09,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-12 12:18:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2020-11-12 12:18:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 421 states have (on average 1.0617577197149644) internal successors, (447), 447 states have internal predecessors, (447), 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 12:18:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 447 transitions. [2020-11-12 12:18:09,206 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 447 transitions. Word has length 51 [2020-11-12 12:18:09,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:09,206 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 447 transitions. [2020-11-12 12:18:09,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 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 12:18:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 447 transitions. [2020-11-12 12:18:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 12:18:09,209 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:18:09,209 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 12:18:09,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:18:09,209 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:18:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:18:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1582020028, now seen corresponding path program 1 times [2020-11-12 12:18:09,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:18:09,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866085733] [2020-11-12 12:18:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:18:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:18:09,367 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 12:18:09,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866085733] [2020-11-12 12:18:09,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:18:09,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:18:09,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363587523] [2020-11-12 12:18:09,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:18:09,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:18:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:18:09,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:18:09,371 INFO L87 Difference]: Start difference. First operand 448 states and 447 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 12:18:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:18:09,435 INFO L93 Difference]: Finished difference Result 340 states and 339 transitions. [2020-11-12 12:18:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 12:18:09,436 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 12:18:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:18:09,436 INFO L225 Difference]: With dead ends: 340 [2020-11-12 12:18:09,436 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:18:09,437 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-12 12:18:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:18:09,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:18:09,437 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 12:18:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:18:09,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-11-12 12:18:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:18:09,442 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:18:09,442 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 12:18:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:18:09,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:18:09,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:18:09,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:18:09 BasicIcfg [2020-11-12 12:18:09,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:18:09,457 INFO L168 Benchmark]: Toolchain (without parser) took 8028.74 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 276.2 MB in the beginning and 852.1 MB in the end (delta: -575.9 MB). Peak memory consumption was 320.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,458 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:18:09,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.23 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.47 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 272.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,461 INFO L168 Benchmark]: Boogie Preprocessor took 63.56 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 270.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,462 INFO L168 Benchmark]: RCFGBuilder took 507.61 ms. Allocated memory is still 302.0 MB. Free memory was 270.8 MB in the beginning and 248.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,465 INFO L168 Benchmark]: TraceAbstraction took 6620.90 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 248.5 MB in the beginning and 852.1 MB in the end (delta: -603.7 MB). Peak memory consumption was 291.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:18:09,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 302.0 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 732.23 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 274.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 86.47 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 272.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.56 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 270.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 507.61 ms. Allocated memory is still 302.0 MB. Free memory was 270.8 MB in the beginning and 248.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6620.90 ms. Allocated memory was 302.0 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 248.5 MB in the beginning and 852.1 MB in the end (delta: -603.7 MB). Peak memory consumption was 291.5 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 525 SDtfs, 707 SDslu, 1864 SDs, 0 SdLazy, 216 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34376occurred 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, 576 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 44074 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...