/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 00:13:59,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 00:13:59,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 00:13:59,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 00:13:59,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 00:13:59,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 00:13:59,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 00:13:59,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 00:13:59,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 00:13:59,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 00:13:59,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 00:13:59,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 00:13:59,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 00:13:59,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 00:13:59,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 00:13:59,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 00:13:59,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 00:13:59,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 00:13:59,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 00:13:59,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 00:13:59,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 00:13:59,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 00:13:59,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 00:13:59,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 00:13:59,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 00:13:59,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 00:13:59,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 00:13:59,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 00:13:59,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 00:13:59,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 00:13:59,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 00:13:59,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 00:13:59,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 00:13:59,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 00:13:59,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 00:13:59,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 00:13:59,394 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-SemanticLbe.epf [2020-11-12 00:13:59,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 00:13:59,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 00:13:59,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 00:13:59,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 00:13:59,425 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 00:13:59,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 00:13:59,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 00:13:59,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 00:13:59,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 00:13:59,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 00:13:59,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 00:13:59,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 00:13:59,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 00:13:59,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 00:13:59,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 00:13:59,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 00:13:59,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 00:13:59,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 00:13:59,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 00:13:59,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 00:13:59,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 00:13:59,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 00:13:59,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 00:13:59,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 00:13:59,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 00:13:59,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 00:13:59,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 00:13:59,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 00:13:59,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 00:13:59,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 00:13:59,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 00:13:59,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 00:13:59,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 00:13:59,913 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 00:13:59,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2020-11-12 00:13:59,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3e3e463/36d3771b60304ea183a3fd962144bed4/FLAG1d87368ea [2020-11-12 00:14:00,682 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 00:14:00,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_rmo.oepc.i [2020-11-12 00:14:00,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3e3e463/36d3771b60304ea183a3fd962144bed4/FLAG1d87368ea [2020-11-12 00:14:00,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3e3e463/36d3771b60304ea183a3fd962144bed4 [2020-11-12 00:14:00,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 00:14:01,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 00:14:01,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 00:14:01,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 00:14:01,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 00:14:01,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:00" (1/1) ... [2020-11-12 00:14:01,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7aacb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01, skipping insertion in model container [2020-11-12 00:14:01,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:00" (1/1) ... [2020-11-12 00:14:01,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 00:14:01,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 00:14:01,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:14:01,514 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 00:14:01,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:14:01,797 INFO L208 MainTranslator]: Completed translation [2020-11-12 00:14:01,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01 WrapperNode [2020-11-12 00:14:01,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 00:14:01,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 00:14:01,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 00:14:01,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 00:14:01,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 00:14:01,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 00:14:01,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 00:14:01,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 00:14:01,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (1/1) ... [2020-11-12 00:14:01,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 00:14:01,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 00:14:01,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 00:14:01,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 00:14:01,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (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 00:14:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 00:14:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 00:14:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 00:14:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 00:14:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 00:14:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 00:14:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 00:14:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 00:14:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 00:14:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 00:14:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 00:14:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 00:14:02,055 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 00:14:02,429 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 00:14:02,429 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 00:14:02,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:02 BoogieIcfgContainer [2020-11-12 00:14:02,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 00:14:02,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 00:14:02,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 00:14:02,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 00:14:02,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:00" (1/3) ... [2020-11-12 00:14:02,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d345a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:02, skipping insertion in model container [2020-11-12 00:14:02,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:01" (2/3) ... [2020-11-12 00:14:02,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d345a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:02, skipping insertion in model container [2020-11-12 00:14:02,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:02" (3/3) ... [2020-11-12 00:14:02,441 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_rmo.oepc.i [2020-11-12 00:14:02,457 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 00:14:02,458 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 00:14:02,461 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 00:14:02,462 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 00:14:02,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,492 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,492 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,495 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,495 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,505 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,506 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:02,508 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 00:14:02,520 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 00:14:02,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 00:14:02,543 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 00:14:02,544 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 00:14:02,544 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 00:14:02,544 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 00:14:02,544 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 00:14:02,544 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 00:14:02,544 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 00:14:02,556 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-12 00:14:02,558 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:02,561 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:02,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:02,606 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-12 00:14:02,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-12 00:14:02,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-12 00:14:02,612 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-12 00:14:05,848 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 00:14:06,178 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 00:14:06,285 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-12 00:14:06,297 INFO L131 LiptonReduction]: Checked pairs total: 1384 [2020-11-12 00:14:06,298 INFO L133 LiptonReduction]: Total number of compositions: 62 [2020-11-12 00:14:06,311 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-12 00:14:06,325 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 00:14:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 00:14:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-12 00:14:06,333 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:06,334 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-12 00:14:06,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:06,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1310526713, now seen corresponding path program 1 times [2020-11-12 00:14:06,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:06,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673530782] [2020-11-12 00:14:06,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:06,567 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 00:14:06,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673530782] [2020-11-12 00:14:06,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:06,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 00:14:06,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314652397] [2020-11-12 00:14:06,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 00:14:06,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:06,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 00:14:06,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:14:06,593 INFO L87 Difference]: Start difference. First operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:14:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:06,612 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-12 00:14:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 00:14:06,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2020-11-12 00:14:06,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:06,625 INFO L225 Difference]: With dead ends: 90 [2020-11-12 00:14:06,625 INFO L226 Difference]: Without dead ends: 74 [2020-11-12 00:14:06,626 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:14:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-12 00:14:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-12 00:14:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 states have internal predecessors, (160), 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 00:14:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-12 00:14:06,672 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-12 00:14:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:06,673 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-12 00:14:06,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:14:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-12 00:14:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-12 00:14:06,674 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:06,674 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:06,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 00:14:06,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:06,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1971632855, now seen corresponding path program 1 times [2020-11-12 00:14:06,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:06,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771255270] [2020-11-12 00:14:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:06,805 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 00:14:06,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771255270] [2020-11-12 00:14:06,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:06,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 00:14:06,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705839561] [2020-11-12 00:14:06,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 00:14:06,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:06,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 00:14:06,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:14:06,810 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 00:14:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:06,853 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions. [2020-11-12 00:14:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:06,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2020-11-12 00:14:06,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:06,855 INFO L225 Difference]: With dead ends: 63 [2020-11-12 00:14:06,855 INFO L226 Difference]: Without dead ends: 47 [2020-11-12 00:14:06,856 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:06,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-12 00:14:06,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-12 00:14:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 46 states have internal predecessors, (79), 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 00:14:06,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions. [2020-11-12 00:14:06,864 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7 [2020-11-12 00:14:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:06,864 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions. [2020-11-12 00:14:06,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 00:14:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-11-12 00:14:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-12 00:14:06,866 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:06,866 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:06,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 00:14:06,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:06,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash -9155018, now seen corresponding path program 1 times [2020-11-12 00:14:06,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:06,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294520314] [2020-11-12 00:14:06,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:06,965 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 00:14:06,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294520314] [2020-11-12 00:14:06,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:06,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:06,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778938781] [2020-11-12 00:14:06,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:06,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:06,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:06,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:06,968 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 00:14:07,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:07,007 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions. [2020-11-12 00:14:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 00:14:07,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2020-11-12 00:14:07,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:07,009 INFO L225 Difference]: With dead ends: 36 [2020-11-12 00:14:07,009 INFO L226 Difference]: Without dead ends: 29 [2020-11-12 00:14:07,010 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-12 00:14:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-12 00:14:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-12 00:14:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 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 00:14:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-11-12 00:14:07,014 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2020-11-12 00:14:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:07,014 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-11-12 00:14:07,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 00:14:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-12 00:14:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:14:07,016 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:07,016 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:07,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 00:14:07,016 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:07,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1421633224, now seen corresponding path program 1 times [2020-11-12 00:14:07,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:07,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600082345] [2020-11-12 00:14:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:07,096 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 00:14:07,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600082345] [2020-11-12 00:14:07,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:07,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:07,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617165613] [2020-11-12 00:14:07,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:07,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:07,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:07,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:07,099 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 00:14:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:07,137 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-11-12 00:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:07,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2020-11-12 00:14:07,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:07,138 INFO L225 Difference]: With dead ends: 37 [2020-11-12 00:14:07,138 INFO L226 Difference]: Without dead ends: 17 [2020-11-12 00:14:07,139 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 00:14:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-12 00:14:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-12 00:14:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 00:14:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-12 00:14:07,142 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2020-11-12 00:14:07,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:07,142 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-12 00:14:07,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 00:14:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-12 00:14:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:14:07,143 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:07,143 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:07,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 00:14:07,144 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:07,144 INFO L82 PathProgramCache]: Analyzing trace with hash -566286524, now seen corresponding path program 2 times [2020-11-12 00:14:07,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:07,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940250147] [2020-11-12 00:14:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:07,231 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 00:14:07,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940250147] [2020-11-12 00:14:07,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:07,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:07,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112384038] [2020-11-12 00:14:07,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:07,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:07,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:07,234 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 00:14:07,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:07,273 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-11-12 00:14:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2020-11-12 00:14:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:07,274 INFO L225 Difference]: With dead ends: 16 [2020-11-12 00:14:07,278 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 00:14:07,279 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 00:14:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 00:14:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 00:14:07,279 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 00:14:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 00:14:07,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-12 00:14:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:07,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 00:14:07,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 00:14:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 00:14:07,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 00:14:07,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 00:14:07,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:14:07 BasicIcfg [2020-11-12 00:14:07,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 00:14:07,290 INFO L168 Benchmark]: Toolchain (without parser) took 6288.47 ms. Allocated memory was 302.0 MB in the beginning and 392.2 MB in the end (delta: 90.2 MB). Free memory was 276.1 MB in the beginning and 243.5 MB in the end (delta: 32.6 MB). Peak memory consumption was 124.4 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:07,291 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:14:07,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.86 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 282.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:07,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.70 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 280.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:14:07,296 INFO L168 Benchmark]: Boogie Preprocessor took 58.09 ms. Allocated memory is still 302.0 MB. Free memory was 280.5 MB in the beginning and 279.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:14:07,297 INFO L168 Benchmark]: RCFGBuilder took 469.66 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 258.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:07,299 INFO L168 Benchmark]: TraceAbstraction took 4853.59 ms. Allocated memory was 302.0 MB in the beginning and 392.2 MB in the end (delta: 90.2 MB). Free memory was 258.5 MB in the beginning and 243.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 108.3 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:07,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 791.86 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 282.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 97.70 ms. Allocated memory is still 302.0 MB. Free memory was 282.6 MB in the beginning and 280.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 58.09 ms. Allocated memory is still 302.0 MB. Free memory was 280.5 MB in the beginning and 279.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 469.66 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 258.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4853.59 ms. Allocated memory was 302.0 MB in the beginning and 392.2 MB in the end (delta: 90.2 MB). Free memory was 258.5 MB in the beginning and 243.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 108.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 543 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 62 TotalNumberOfCompositions, 1384 MoverChecksTotal - 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 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 71 SDtfs, 48 SDslu, 101 SDs, 0 SdLazy, 48 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...