/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.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:17:47,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:17:47,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:17:47,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:17:47,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:17:47,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:17:47,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:17:47,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:17:47,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:17:47,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:17:47,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:17:47,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:17:47,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:17:47,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:17:47,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:17:47,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:17:47,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:17:47,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:17:47,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:17:47,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:17:47,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:17:47,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:17:47,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:17:47,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:17:47,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 12:17:47,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:17:47,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:17:47,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:17:47,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:17:47,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:17:47,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:17:47,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:17:47,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:17:47,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:17:47,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:17:47,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:17:47,512 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 12:17:47,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:17:47,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:17:47,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:17:47,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:17:47,543 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:17:47,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:17:47,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:17:47,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:17:47,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:17:47,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:17:47,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:17:47,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:17:47,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:17:47,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:17:47,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:17:47,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:17:47,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:17:47,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:17:47,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:17:47,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:17:47,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:17:47,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:17:47,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:17:47,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:17:47,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:17:47,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:17:47,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:17:47,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:17:47,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:17:47,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:17:47,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:17:47,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:17:47,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:17:47,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:17:47,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:17:47,978 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:17:47,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.oepc.i [2020-11-12 12:17:48,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9eca19e/e2c152c2dad44705b850d7cfb971355a/FLAG7810e331c [2020-11-12 12:17:48,817 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:17:48,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.oepc.i [2020-11-12 12:17:48,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9eca19e/e2c152c2dad44705b850d7cfb971355a/FLAG7810e331c [2020-11-12 12:17:49,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9eca19e/e2c152c2dad44705b850d7cfb971355a [2020-11-12 12:17:49,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:17:49,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:17:49,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:17:49,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:17:49,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:17:49,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6770eab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49, skipping insertion in model container [2020-11-12 12:17:49,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:17:49,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:17:49,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:17:49,650 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:17:49,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:17:49,879 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:17:49,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49 WrapperNode [2020-11-12 12:17:49,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:17:49,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:17:49,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:17:49,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:17:49,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:17:49,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:17:49,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:17:49,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:17:49,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (1/1) ... [2020-11-12 12:17:49,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:17:49,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:17:49,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:17:49,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:17:49,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (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 12:17:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:17:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:17:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:17:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:17:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:17:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:17:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:17:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:17:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:17:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:17:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:17:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:17:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:17:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:17:50,059 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 12:17:50,478 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:17:50,478 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:17:50,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:17:50 BoogieIcfgContainer [2020-11-12 12:17:50,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:17:50,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:17:50,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:17:50,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:17:50,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:17:49" (1/3) ... [2020-11-12 12:17:50,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a7068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:17:50, skipping insertion in model container [2020-11-12 12:17:50,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:17:49" (2/3) ... [2020-11-12 12:17:50,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a7068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:17:50, skipping insertion in model container [2020-11-12 12:17:50,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:17:50" (3/3) ... [2020-11-12 12:17:50,490 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_tso.oepc.i [2020-11-12 12:17:50,506 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:17:50,506 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:17:50,510 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:17:50,511 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:17:50,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,544 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,544 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,545 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,545 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,550 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,550 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,555 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,556 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,562 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,563 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,566 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:17:50,569 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:17:50,582 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:17:50,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:17:50,607 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:17:50,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:17:50,607 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:17:50,607 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:17:50,608 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:17:50,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:17:50,608 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:17:50,621 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow [2020-11-12 12:17:51,495 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 12:17:52,594 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 1094ms [2020-11-12 12:17:52,653 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 12:17:52,752 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 12:17:52,924 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 12:17:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 12:17:52,950 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:52,951 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 12:17:52,951 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1699432098, now seen corresponding path program 1 times [2020-11-12 12:17:52,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:52,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16808032] [2020-11-12 12:17:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:53,454 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 12:17:53,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16808032] [2020-11-12 12:17:53,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:53,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:17:53,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633871567] [2020-11-12 12:17:53,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:17:53,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:53,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:17:53,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:17:53,555 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 12:17:53,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:53,794 INFO L93 Difference]: Finished difference Result 14566 states and 16957 transitions. [2020-11-12 12:17:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:17:53,796 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 12:17:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:53,872 INFO L225 Difference]: With dead ends: 14566 [2020-11-12 12:17:53,873 INFO L226 Difference]: Without dead ends: 4617 [2020-11-12 12:17:53,874 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 12:17:53,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2020-11-12 12:17:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 4617. [2020-11-12 12:17:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4617 states, 4372 states have (on average 1.3536139066788655) internal successors, (5918), 4616 states have internal predecessors, (5918), 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 12:17:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 5918 transitions. [2020-11-12 12:17:54,159 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 5918 transitions. Word has length 41 [2020-11-12 12:17:54,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:54,161 INFO L481 AbstractCegarLoop]: Abstraction has 4617 states and 5918 transitions. [2020-11-12 12:17:54,162 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 12:17:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 5918 transitions. [2020-11-12 12:17:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 12:17:54,174 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:54,174 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 12:17:54,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:17:54,182 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:54,184 INFO L82 PathProgramCache]: Analyzing trace with hash 257594369, now seen corresponding path program 1 times [2020-11-12 12:17:54,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:54,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981739472] [2020-11-12 12:17:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:54,400 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 12:17:54,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981739472] [2020-11-12 12:17:54,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:54,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:17:54,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249774456] [2020-11-12 12:17:54,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:17:54,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:54,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:17:54,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:17:54,407 INFO L87 Difference]: Start difference. First operand 4617 states and 5918 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:17:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:54,659 INFO L93 Difference]: Finished difference Result 5940 states and 7770 transitions. [2020-11-12 12:17:54,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:17:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2020-11-12 12:17:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:54,672 INFO L225 Difference]: With dead ends: 5940 [2020-11-12 12:17:54,672 INFO L226 Difference]: Without dead ends: 2585 [2020-11-12 12:17:54,673 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 12:17:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2020-11-12 12:17:54,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2585. [2020-11-12 12:17:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2445 states have (on average 1.2948875255623722) internal successors, (3166), 2584 states have internal predecessors, (3166), 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 12:17:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3166 transitions. [2020-11-12 12:17:54,739 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3166 transitions. Word has length 43 [2020-11-12 12:17:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:54,739 INFO L481 AbstractCegarLoop]: Abstraction has 2585 states and 3166 transitions. [2020-11-12 12:17:54,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:17:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3166 transitions. [2020-11-12 12:17:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 12:17:54,744 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:54,745 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:17:54,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:17:54,745 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:54,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:54,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1784786224, now seen corresponding path program 1 times [2020-11-12 12:17:54,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:54,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383730081] [2020-11-12 12:17:54,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:54,878 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 12:17:54,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383730081] [2020-11-12 12:17:54,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:54,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:17:54,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002988420] [2020-11-12 12:17:54,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:17:54,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:17:54,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:17:54,884 INFO L87 Difference]: Start difference. First operand 2585 states and 3166 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:17:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:55,074 INFO L93 Difference]: Finished difference Result 3053 states and 3598 transitions. [2020-11-12 12:17:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:17:55,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2020-11-12 12:17:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:55,087 INFO L225 Difference]: With dead ends: 3053 [2020-11-12 12:17:55,087 INFO L226 Difference]: Without dead ends: 2433 [2020-11-12 12:17:55,088 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 12:17:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2020-11-12 12:17:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2433. [2020-11-12 12:17:55,141 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 12:17:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 2936 transitions. [2020-11-12 12:17:55,150 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 2936 transitions. Word has length 46 [2020-11-12 12:17:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:55,150 INFO L481 AbstractCegarLoop]: Abstraction has 2433 states and 2936 transitions. [2020-11-12 12:17:55,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:17:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2936 transitions. [2020-11-12 12:17:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:17:55,155 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:55,155 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 12:17:55,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:17:55,155 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash 2097074480, now seen corresponding path program 1 times [2020-11-12 12:17:55,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:55,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570749997] [2020-11-12 12:17:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:55,324 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 12:17:55,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570749997] [2020-11-12 12:17:55,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:55,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:17:55,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027971328] [2020-11-12 12:17:55,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:17:55,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:55,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:17:55,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:17:55,327 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 12:17:55,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:55,467 INFO L93 Difference]: Finished difference Result 4156 states and 4786 transitions. [2020-11-12 12:17:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:17:55,468 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 12:17:55,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:55,481 INFO L225 Difference]: With dead ends: 4156 [2020-11-12 12:17:55,481 INFO L226 Difference]: Without dead ends: 2478 [2020-11-12 12:17:55,481 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 12:17:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2020-11-12 12:17:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 1902. [2020-11-12 12:17:55,527 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 12:17:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2301 transitions. [2020-11-12 12:17:55,534 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2301 transitions. Word has length 47 [2020-11-12 12:17:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:55,535 INFO L481 AbstractCegarLoop]: Abstraction has 1902 states and 2301 transitions. [2020-11-12 12:17:55,535 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 12:17:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2301 transitions. [2020-11-12 12:17:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 12:17:55,539 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:55,539 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 12:17:55,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:17:55,540 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:55,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:55,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1048386447, now seen corresponding path program 1 times [2020-11-12 12:17:55,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:55,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106432678] [2020-11-12 12:17:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:55,728 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 12:17:55,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106432678] [2020-11-12 12:17:55,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:55,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:17:55,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996769009] [2020-11-12 12:17:55,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:17:55,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:55,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:17:55,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:17:55,735 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 12:17:55,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:55,870 INFO L93 Difference]: Finished difference Result 1929 states and 2274 transitions. [2020-11-12 12:17:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 12:17:55,871 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 12:17:55,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:55,879 INFO L225 Difference]: With dead ends: 1929 [2020-11-12 12:17:55,879 INFO L226 Difference]: Without dead ends: 1803 [2020-11-12 12:17:55,880 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 12:17:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2020-11-12 12:17:55,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1803. [2020-11-12 12:17:55,923 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 12:17:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2148 transitions. [2020-11-12 12:17:55,929 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2148 transitions. Word has length 48 [2020-11-12 12:17:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:55,931 INFO L481 AbstractCegarLoop]: Abstraction has 1803 states and 2148 transitions. [2020-11-12 12:17:55,931 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 12:17:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2148 transitions. [2020-11-12 12:17:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:17:55,936 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:55,936 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 12:17:55,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:17:55,937 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:55,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2057181026, now seen corresponding path program 1 times [2020-11-12 12:17:55,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:55,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980067971] [2020-11-12 12:17:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:56,099 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 12:17:56,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980067971] [2020-11-12 12:17:56,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:56,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:17:56,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684450089] [2020-11-12 12:17:56,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:17:56,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:56,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:17:56,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:17:56,103 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 12:17:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:56,249 INFO L93 Difference]: Finished difference Result 1599 states and 1770 transitions. [2020-11-12 12:17:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:17:56,249 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 12:17:56,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:56,256 INFO L225 Difference]: With dead ends: 1599 [2020-11-12 12:17:56,256 INFO L226 Difference]: Without dead ends: 1284 [2020-11-12 12:17:56,256 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 12:17:56,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-11-12 12:17:56,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2020-11-12 12:17:56,287 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 12:17:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1439 transitions. [2020-11-12 12:17:56,290 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1439 transitions. Word has length 49 [2020-11-12 12:17:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:56,291 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 1439 transitions. [2020-11-12 12:17:56,291 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 12:17:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1439 transitions. [2020-11-12 12:17:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 12:17:56,294 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:56,294 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 12:17:56,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:17:56,294 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:56,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:56,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1401872003, now seen corresponding path program 1 times [2020-11-12 12:17:56,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:56,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792028807] [2020-11-12 12:17:56,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:56,493 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 12:17:56,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792028807] [2020-11-12 12:17:56,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:56,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:17:56,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27527990] [2020-11-12 12:17:56,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:17:56,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:56,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:17:56,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:17:56,496 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 12:17:56,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:56,649 INFO L93 Difference]: Finished difference Result 844 states and 854 transitions. [2020-11-12 12:17:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:17:56,650 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 12:17:56,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:56,653 INFO L225 Difference]: With dead ends: 844 [2020-11-12 12:17:56,653 INFO L226 Difference]: Without dead ends: 448 [2020-11-12 12:17:56,654 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:17:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-12 12:17:56,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2020-11-12 12:17:56,678 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 12:17:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 447 transitions. [2020-11-12 12:17:56,680 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 447 transitions. Word has length 51 [2020-11-12 12:17:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:56,680 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 447 transitions. [2020-11-12 12:17:56,680 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 12:17:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 447 transitions. [2020-11-12 12:17:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-12 12:17:56,685 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:17:56,685 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:17:56,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:17:56,685 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:17:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:17:56,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1582020028, now seen corresponding path program 1 times [2020-11-12 12:17:56,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:17:56,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171308734] [2020-11-12 12:17:56,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:17:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:17:56,812 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 12:17:56,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171308734] [2020-11-12 12:17:56,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:17:56,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:17:56,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089483952] [2020-11-12 12:17:56,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:17:56,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:17:56,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:17:56,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:17:56,815 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 12:17:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:17:56,903 INFO L93 Difference]: Finished difference Result 340 states and 339 transitions. [2020-11-12 12:17:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 12:17:56,903 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 12:17:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:17:56,904 INFO L225 Difference]: With dead ends: 340 [2020-11-12 12:17:56,904 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:17:56,905 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 12:17:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:17:56,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:17:56,905 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 12:17:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:17:56,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-11-12 12:17:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:17:56,906 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:17:56,906 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 12:17:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:17:56,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:17:56,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:17:56,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:17:56 BasicIcfg [2020-11-12 12:17:56,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:17:56,917 INFO L168 Benchmark]: Toolchain (without parser) took 7884.12 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 838.9 MB). Free memory was 275.6 MB in the beginning and 1.0 GB in the end (delta: -732.6 MB). Peak memory consumption was 107.9 MB. Max. memory is 16.0 GB. [2020-11-12 12:17:56,918 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 273.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:17:56,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.24 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 275.7 MB in the end (delta: -696.2 kB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. [2020-11-12 12:17:56,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.91 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 273.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:17:56,921 INFO L168 Benchmark]: Boogie Preprocessor took 29.69 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 272.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:17:56,922 INFO L168 Benchmark]: RCFGBuilder took 514.65 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 250.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:17:56,923 INFO L168 Benchmark]: TraceAbstraction took 6431.94 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 838.9 MB). Free memory was 249.5 MB in the beginning and 1.0 GB in the end (delta: -758.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:17:56,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 273.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 839.24 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 275.7 MB in the end (delta: -696.2 kB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.91 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 273.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.69 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 272.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 514.65 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 250.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6431.94 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 838.9 MB). Free memory was 249.5 MB in the beginning and 1.0 GB in the end (delta: -758.7 MB). Peak memory consumption was 82.2 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: 6.3s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 520 SDtfs, 663 SDslu, 1867 SDs, 0 SdLazy, 216 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.1s 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 576 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 44564 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...