/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/safe023_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:23:52,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:23:52,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:23:52,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:23:52,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:23:52,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:23:52,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:23:52,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:23:52,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:23:52,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:23:52,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:23:52,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:23:52,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:23:52,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:23:52,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:23:52,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:23:52,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:23:52,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:23:52,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:23:52,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:23:52,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:23:52,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:23:52,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:23:52,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:23:52,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 12:23:52,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 12:23:52,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 12:23:52,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 12:23:52,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 12:23:52,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 12:23:52,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:23:52,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:23:52,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:23:52,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:23:52,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:23:52,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:23:52,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:23:52,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:23:52,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:23:52,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:23:52,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:23:52,293 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 12:23:52,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:23:52,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:23:52,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:23:52,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:23:52,338 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:23:52,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:23:52,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:23:52,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:23:52,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:23:52,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:23:52,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:23:52,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:23:52,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:23:52,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:23:52,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:23:52,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:23:52,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:23:52,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:23:52,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:23:52,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:23:52,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:23:52,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:23:52,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:23:52,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:23:52,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:23:52,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:23:52,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:23:52,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:23:52,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:23:52,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:23:52,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:23:52,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:23:52,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:23:52,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:23:52,737 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:23:52,738 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:23:52,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i [2020-11-12 12:23:52,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a75760a/4eab05fd96cd4e2da4f18a07d07126e7/FLAG0af471ac4 [2020-11-12 12:23:53,617 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:23:53,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i [2020-11-12 12:23:53,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a75760a/4eab05fd96cd4e2da4f18a07d07126e7/FLAG0af471ac4 [2020-11-12 12:23:53,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a75760a/4eab05fd96cd4e2da4f18a07d07126e7 [2020-11-12 12:23:53,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:23:53,885 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:23:53,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:23:53,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:23:53,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:23:53,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:53" (1/1) ... [2020-11-12 12:23:53,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213adb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:53, skipping insertion in model container [2020-11-12 12:23:53,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:53" (1/1) ... [2020-11-12 12:23:53,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:23:53,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:23:54,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:23:54,407 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:23:54,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:23:54,584 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:23:54,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54 WrapperNode [2020-11-12 12:23:54,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:23:54,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:23:54,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:23:54,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:23:54,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:23:54,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:23:54,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:23:54,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:23:54,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (1/1) ... [2020-11-12 12:23:54,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:23:54,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:23:54,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:23:54,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:23:54,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (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 12:23:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:23:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:23:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:23:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:23:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:23:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:23:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:23:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:23:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:23:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:23:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:23:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:23:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:23:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:23:54,849 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 12:23:55,397 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:23:55,397 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:23:55,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:55 BoogieIcfgContainer [2020-11-12 12:23:55,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:23:55,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:23:55,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:23:55,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:23:55,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:23:53" (1/3) ... [2020-11-12 12:23:55,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afce612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:55, skipping insertion in model container [2020-11-12 12:23:55,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:54" (2/3) ... [2020-11-12 12:23:55,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afce612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:55, skipping insertion in model container [2020-11-12 12:23:55,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:55" (3/3) ... [2020-11-12 12:23:55,410 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_tso.opt.i [2020-11-12 12:23:55,428 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:23:55,428 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:23:55,432 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:23:55,433 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:23:55,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,477 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,477 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,481 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,481 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,493 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,501 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,501 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:23:55,505 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:23:55,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:23:55,546 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:23:55,546 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:23:55,547 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:23:55,547 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:23:55,547 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:23:55,547 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:23:55,547 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:23:55,547 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:23:55,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 79 transitions, 173 flow [2020-11-12 12:23:56,525 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 12:23:57,502 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 974ms [2020-11-12 12:23:57,550 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 12:23:57,672 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 33595 states, 30692 states have (on average 1.1934706112341977) internal successors, (36630), 33594 states have internal predecessors, (36630), 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 12:23:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 33595 states, 30692 states have (on average 1.1934706112341977) internal successors, (36630), 33594 states have internal predecessors, (36630), 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 12:23:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 12:23:57,786 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:23:57,787 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:23:57,788 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:23:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:23:57,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1953454049, now seen corresponding path program 1 times [2020-11-12 12:23:57,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:23:57,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952925884] [2020-11-12 12:23:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:23:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:23:58,541 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 12:23:58,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952925884] [2020-11-12 12:23:58,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:23:58,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:23:58,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707063739] [2020-11-12 12:23:58,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:23:58,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:23:58,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:23:58,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:23:58,608 INFO L87 Difference]: Start difference. First operand has 33595 states, 30692 states have (on average 1.1934706112341977) internal successors, (36630), 33594 states have internal predecessors, (36630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:23:58,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:23:58,984 INFO L93 Difference]: Finished difference Result 12958 states and 15023 transitions. [2020-11-12 12:23:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:23:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2020-11-12 12:23:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:23:59,023 INFO L225 Difference]: With dead ends: 12958 [2020-11-12 12:23:59,023 INFO L226 Difference]: Without dead ends: 3511 [2020-11-12 12:23:59,025 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:23:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2020-11-12 12:23:59,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3511. [2020-11-12 12:23:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3315 states have (on average 1.31342383107089) internal successors, (4354), 3510 states have internal predecessors, (4354), 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 12:23:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4354 transitions. [2020-11-12 12:23:59,268 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4354 transitions. Word has length 42 [2020-11-12 12:23:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:23:59,269 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4354 transitions. [2020-11-12 12:23:59,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:23:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4354 transitions. [2020-11-12 12:23:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 12:23:59,333 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:23:59,333 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:23:59,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:23:59,333 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:23:59,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:23:59,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1558378250, now seen corresponding path program 1 times [2020-11-12 12:23:59,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:23:59,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592705364] [2020-11-12 12:23:59,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:23:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:23:59,589 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 12:23:59,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592705364] [2020-11-12 12:23:59,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:23:59,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:23:59,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77081667] [2020-11-12 12:23:59,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:23:59,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:23:59,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:23:59,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:23:59,594 INFO L87 Difference]: Start difference. First operand 3511 states and 4354 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:23:59,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:23:59,845 INFO L93 Difference]: Finished difference Result 5625 states and 6916 transitions. [2020-11-12 12:23:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:23:59,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 12:23:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:23:59,859 INFO L225 Difference]: With dead ends: 5625 [2020-11-12 12:23:59,859 INFO L226 Difference]: Without dead ends: 2456 [2020-11-12 12:23:59,860 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:23:59,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-11-12 12:23:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2456. [2020-11-12 12:23:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2316 states have (on average 1.2759067357512954) internal successors, (2955), 2455 states have internal predecessors, (2955), 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 12:23:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2955 transitions. [2020-11-12 12:23:59,931 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2955 transitions. Word has length 45 [2020-11-12 12:23:59,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:23:59,932 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 2955 transitions. [2020-11-12 12:23:59,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:23:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2955 transitions. [2020-11-12 12:23:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:23:59,988 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:23:59,988 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 12:23:59,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:23:59,989 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:23:59,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:23:59,990 INFO L82 PathProgramCache]: Analyzing trace with hash -435846089, now seen corresponding path program 1 times [2020-11-12 12:23:59,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:23:59,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600750206] [2020-11-12 12:23:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:00,136 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 12:24:00,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600750206] [2020-11-12 12:24:00,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:00,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:24:00,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273157218] [2020-11-12 12:24:00,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:24:00,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:00,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:24:00,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:24:00,139 INFO L87 Difference]: Start difference. First operand 2456 states and 2955 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 12:24:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:00,368 INFO L93 Difference]: Finished difference Result 2692 states and 3167 transitions. [2020-11-12 12:24:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:24:00,369 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 12:24:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:00,379 INFO L225 Difference]: With dead ends: 2692 [2020-11-12 12:24:00,379 INFO L226 Difference]: Without dead ends: 1882 [2020-11-12 12:24:00,380 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:24:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2020-11-12 12:24:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1882. [2020-11-12 12:24:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1782 states have (on average 1.2744107744107744) internal successors, (2271), 1881 states have internal predecessors, (2271), 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 12:24:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2271 transitions. [2020-11-12 12:24:00,431 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2271 transitions. Word has length 47 [2020-11-12 12:24:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:00,432 INFO L481 AbstractCegarLoop]: Abstraction has 1882 states and 2271 transitions. [2020-11-12 12:24:00,432 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 12:24:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2271 transitions. [2020-11-12 12:24:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 12:24:00,436 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:24:00,436 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 12:24:00,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:24:00,436 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:24:00,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:24:00,437 INFO L82 PathProgramCache]: Analyzing trace with hash 3432726, now seen corresponding path program 1 times [2020-11-12 12:24:00,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:24:00,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696096539] [2020-11-12 12:24:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:00,737 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 12:24:00,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696096539] [2020-11-12 12:24:00,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:00,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:24:00,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821759314] [2020-11-12 12:24:00,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:24:00,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:24:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:24:00,740 INFO L87 Difference]: Start difference. First operand 1882 states and 2271 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 12:24:01,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:01,129 INFO L93 Difference]: Finished difference Result 2761 states and 3381 transitions. [2020-11-12 12:24:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:24:01,131 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 12:24:01,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:01,139 INFO L225 Difference]: With dead ends: 2761 [2020-11-12 12:24:01,139 INFO L226 Difference]: Without dead ends: 1459 [2020-11-12 12:24:01,140 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:24:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2020-11-12 12:24:01,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1459. [2020-11-12 12:24:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1379 states have (on average 1.2480058013052937) internal successors, (1721), 1458 states have internal predecessors, (1721), 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 12:24:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1721 transitions. [2020-11-12 12:24:01,185 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1721 transitions. Word has length 49 [2020-11-12 12:24:01,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:01,186 INFO L481 AbstractCegarLoop]: Abstraction has 1459 states and 1721 transitions. [2020-11-12 12:24:01,186 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 12:24:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1721 transitions. [2020-11-12 12:24:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 12:24:01,190 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:24:01,190 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] [2020-11-12 12:24:01,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:24:01,191 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:24:01,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:24:01,191 INFO L82 PathProgramCache]: Analyzing trace with hash -876626942, now seen corresponding path program 1 times [2020-11-12 12:24:01,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:24:01,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777675751] [2020-11-12 12:24:01,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:01,351 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 12:24:01,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777675751] [2020-11-12 12:24:01,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:01,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:24:01,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280507699] [2020-11-12 12:24:01,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:24:01,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:01,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:24:01,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:24:01,355 INFO L87 Difference]: Start difference. First operand 1459 states and 1721 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 12:24:01,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:01,509 INFO L93 Difference]: Finished difference Result 1659 states and 1893 transitions. [2020-11-12 12:24:01,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:24:01,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 50 [2020-11-12 12:24:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:01,518 INFO L225 Difference]: With dead ends: 1659 [2020-11-12 12:24:01,518 INFO L226 Difference]: Without dead ends: 1417 [2020-11-12 12:24:01,518 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 12:24:01,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2020-11-12 12:24:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2020-11-12 12:24:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1339 states have (on average 1.233009708737864) internal successors, (1651), 1416 states have internal predecessors, (1651), 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 12:24:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1651 transitions. [2020-11-12 12:24:01,562 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1651 transitions. Word has length 50 [2020-11-12 12:24:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:01,562 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 1651 transitions. [2020-11-12 12:24:01,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 12:24:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1651 transitions. [2020-11-12 12:24:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-12 12:24:01,566 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:24:01,566 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 12:24:01,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:24:01,567 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:24:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:24:01,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1313077241, now seen corresponding path program 1 times [2020-11-12 12:24:01,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:24:01,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192762454] [2020-11-12 12:24:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:01,741 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 12:24:01,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192762454] [2020-11-12 12:24:01,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:01,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:24:01,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451467707] [2020-11-12 12:24:01,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:24:01,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:24:01,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:24:01,747 INFO L87 Difference]: Start difference. First operand 1417 states and 1651 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 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 12:24:01,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:01,953 INFO L93 Difference]: Finished difference Result 1454 states and 1645 transitions. [2020-11-12 12:24:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:24:01,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 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 12:24:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:01,961 INFO L225 Difference]: With dead ends: 1454 [2020-11-12 12:24:01,961 INFO L226 Difference]: Without dead ends: 1137 [2020-11-12 12:24:01,961 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 12:24:01,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-11-12 12:24:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2020-11-12 12:24:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1074 states have (on average 1.170391061452514) internal successors, (1257), 1136 states have internal predecessors, (1257), 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 12:24:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1257 transitions. [2020-11-12 12:24:01,990 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1257 transitions. Word has length 51 [2020-11-12 12:24:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:01,990 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1257 transitions. [2020-11-12 12:24:01,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 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 12:24:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1257 transitions. [2020-11-12 12:24:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 12:24:01,993 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:24:01,993 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] [2020-11-12 12:24:01,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:24:01,994 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:24:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:24:01,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1278998272, now seen corresponding path program 1 times [2020-11-12 12:24:01,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:24:01,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876225855] [2020-11-12 12:24:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:02,207 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 12:24:02,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876225855] [2020-11-12 12:24:02,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:02,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:24:02,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474756342] [2020-11-12 12:24:02,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:24:02,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:02,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:24:02,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:24:02,210 INFO L87 Difference]: Start difference. First operand 1137 states and 1257 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 12:24:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:02,388 INFO L93 Difference]: Finished difference Result 859 states and 916 transitions. [2020-11-12 12:24:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 12:24:02,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 52 [2020-11-12 12:24:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:02,392 INFO L225 Difference]: With dead ends: 859 [2020-11-12 12:24:02,392 INFO L226 Difference]: Without dead ends: 513 [2020-11-12 12:24:02,393 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 12:24:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-11-12 12:24:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2020-11-12 12:24:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 486 states have (on average 1.059670781893004) internal successors, (515), 512 states have internal predecessors, (515), 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 12:24:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 515 transitions. [2020-11-12 12:24:02,405 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 515 transitions. Word has length 52 [2020-11-12 12:24:02,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:02,405 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 515 transitions. [2020-11-12 12:24:02,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 12:24:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 515 transitions. [2020-11-12 12:24:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-12 12:24:02,407 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:24:02,407 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:24:02,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:24:02,407 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:24:02,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:24:02,408 INFO L82 PathProgramCache]: Analyzing trace with hash 705408351, now seen corresponding path program 1 times [2020-11-12 12:24:02,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:24:02,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518716934] [2020-11-12 12:24:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:24:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:24:02,533 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 12:24:02,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518716934] [2020-11-12 12:24:02,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:24:02,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:24:02,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546917068] [2020-11-12 12:24:02,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:24:02,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:24:02,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:24:02,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:24:02,536 INFO L87 Difference]: Start difference. First operand 513 states and 515 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:24:02,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:24:02,632 INFO L93 Difference]: Finished difference Result 405 states and 407 transitions. [2020-11-12 12:24:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 12:24:02,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-12 12:24:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:24:02,633 INFO L225 Difference]: With dead ends: 405 [2020-11-12 12:24:02,633 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:24:02,634 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:24:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:24:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:24:02,634 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 12:24:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:24:02,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-12 12:24:02,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:24:02,635 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:24:02,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 12:24:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:24:02,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:24:02,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:24:02,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:24:02 BasicIcfg [2020-11-12 12:24:02,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:24:02,645 INFO L168 Benchmark]: Toolchain (without parser) took 8764.09 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 277.2 MB in the beginning and 1.2 GB in the end (delta: -909.0 MB). Peak memory consumption was 179.9 MB. Max. memory is 16.0 GB. [2020-11-12 12:24:02,645 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:24:02,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 244.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:24:02,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.37 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 242.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:24:02,648 INFO L168 Benchmark]: Boogie Preprocessor took 32.95 ms. Allocated memory is still 302.0 MB. Free memory was 242.8 MB in the beginning and 241.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:24:02,649 INFO L168 Benchmark]: RCFGBuilder took 721.03 ms. Allocated memory is still 302.0 MB. Free memory was 241.5 MB in the beginning and 262.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:24:02,650 INFO L168 Benchmark]: TraceAbstraction took 7240.55 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 262.7 MB in the beginning and 1.2 GB in the end (delta: -923.5 MB). Peak memory consumption was 164.9 MB. Max. memory is 16.0 GB. [2020-11-12 12:24:02,660 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 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 696.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 244.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.37 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 242.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.95 ms. Allocated memory is still 302.0 MB. Free memory was 242.8 MB in the beginning and 241.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 721.03 ms. Allocated memory is still 302.0 MB. Free memory was 241.5 MB in the beginning and 262.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7240.55 ms. Allocated memory was 302.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 262.7 MB in the beginning and 1.2 GB in the end (delta: -923.5 MB). Peak memory consumption was 164.9 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, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 528 SDtfs, 609 SDslu, 1964 SDs, 0 SdLazy, 246 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33595occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 49978 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...