/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:05:40,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:05:40,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:05:40,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:05:40,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:05:40,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:05:40,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:05:40,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:05:40,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:05:40,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:05:40,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:05:40,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:05:40,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:05:40,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:05:40,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:05:40,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:05:40,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:05:40,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:05:40,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:05:40,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:05:40,411 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-Separate.epf [2021-06-05 10:05:40,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:05:40,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:05:40,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:05:40,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:05:40,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:05:40,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:05:40,435 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:05:40,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:05:40,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:05:40,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:05:40,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:05:40,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:05:40,438 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:05:40,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:05:40,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:05:40,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:05:40,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:05:40,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:05:40,746 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:05:40,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2021-06-05 10:05:40,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3c1621/5c1db22ef20d495eb4cd375651b8d9d7/FLAG4aaaa4f22 [2021-06-05 10:05:41,273 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:05:41,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2021-06-05 10:05:41,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3c1621/5c1db22ef20d495eb4cd375651b8d9d7/FLAG4aaaa4f22 [2021-06-05 10:05:41,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c3c1621/5c1db22ef20d495eb4cd375651b8d9d7 [2021-06-05 10:05:41,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:05:41,596 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:05:41,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:05:41,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:05:41,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:05:41,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:05:41" (1/1) ... [2021-06-05 10:05:41,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553109f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:41, skipping insertion in model container [2021-06-05 10:05:41,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:05:41" (1/1) ... [2021-06-05 10:05:41,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:05:41,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:05:41,779 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i[949,962] [2021-06-05 10:05:41,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:05:41,985 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:05:41,995 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i[949,962] [2021-06-05 10:05:42,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:05:42,105 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:05:42,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42 WrapperNode [2021-06-05 10:05:42,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:05:42,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:05:42,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:05:42,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:05:42,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:05:42,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:05:42,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:05:42,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:05:42,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (1/1) ... [2021-06-05 10:05:42,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:05:42,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:05:42,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:05:42,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:05:42,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (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 [2021-06-05 10:05:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:05:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:05:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:05:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:05:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:05:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:05:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:05:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:05:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:05:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:05:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:05:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:05:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:05:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:05:42,298 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:05:42,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:05:42,722 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:05:42,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:05:42 BoogieIcfgContainer [2021-06-05 10:05:42,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:05:42,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:05:42,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:05:42,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:05:42,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:05:41" (1/3) ... [2021-06-05 10:05:42,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1018c55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:05:42, skipping insertion in model container [2021-06-05 10:05:42,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:42" (2/3) ... [2021-06-05 10:05:42,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1018c55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:05:42, skipping insertion in model container [2021-06-05 10:05:42,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:05:42" (3/3) ... [2021-06-05 10:05:42,733 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2021-06-05 10:05:42,738 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:05:42,738 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:05:42,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:05:42,739 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:05:42,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,774 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,775 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,775 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,775 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,775 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,775 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,776 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,776 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,777 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,777 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,783 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,783 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,788 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,788 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,791 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,791 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,797 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,797 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:42,802 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:05:42,823 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:05:42,854 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:05:42,854 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:05:42,854 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:05:42,854 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:05:42,854 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:05:42,854 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:05:42,854 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:05:42,855 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:05:42,868 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 82 transitions, 179 flow [2021-06-05 10:05:43,320 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8057 states, 8055 states have (on average 3.532588454376164) internal successors, (28455), 8056 states have internal predecessors, (28455), 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) [2021-06-05 10:05:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 8057 states, 8055 states have (on average 3.532588454376164) internal successors, (28455), 8056 states have internal predecessors, (28455), 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) [2021-06-05 10:05:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:05:43,421 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:43,421 INFO L521 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] [2021-06-05 10:05:43,422 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:43,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:43,428 INFO L82 PathProgramCache]: Analyzing trace with hash -710190392, now seen corresponding path program 1 times [2021-06-05 10:05:43,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:43,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947850289] [2021-06-05 10:05:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:43,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:43,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947850289] [2021-06-05 10:05:43,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947850289] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:43,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:43,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:43,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56417884] [2021-06-05 10:05:43,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:43,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:43,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:43,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:43,911 INFO L87 Difference]: Start difference. First operand has 8057 states, 8055 states have (on average 3.532588454376164) internal successors, (28455), 8056 states have internal predecessors, (28455), 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 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) [2021-06-05 10:05:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:44,321 INFO L93 Difference]: Finished difference Result 10535 states and 36256 transitions. [2021-06-05 10:05:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:44,323 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 [2021-06-05 10:05:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:44,363 INFO L225 Difference]: With dead ends: 10535 [2021-06-05 10:05:44,363 INFO L226 Difference]: Without dead ends: 4025 [2021-06-05 10:05:44,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 185.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:44,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2021-06-05 10:05:44,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4025. [2021-06-05 10:05:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4025 states, 4024 states have (on average 3.352634194831014) internal successors, (13491), 4024 states have internal predecessors, (13491), 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) [2021-06-05 10:05:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 13491 transitions. [2021-06-05 10:05:44,699 INFO L78 Accepts]: Start accepts. Automaton has 4025 states and 13491 transitions. Word has length 48 [2021-06-05 10:05:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:44,703 INFO L482 AbstractCegarLoop]: Abstraction has 4025 states and 13491 transitions. [2021-06-05 10:05:44,704 INFO L483 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) [2021-06-05 10:05:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 13491 transitions. [2021-06-05 10:05:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 10:05:44,718 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:44,718 INFO L521 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] [2021-06-05 10:05:44,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:05:44,719 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:44,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:44,721 INFO L82 PathProgramCache]: Analyzing trace with hash -157935543, now seen corresponding path program 1 times [2021-06-05 10:05:44,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:44,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584069088] [2021-06-05 10:05:44,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:44,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:44,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584069088] [2021-06-05 10:05:44,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584069088] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:44,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:44,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:44,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016101214] [2021-06-05 10:05:44,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:44,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:44,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:44,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:44,936 INFO L87 Difference]: Start difference. First operand 4025 states and 13491 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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) [2021-06-05 10:05:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:45,140 INFO L93 Difference]: Finished difference Result 5425 states and 17946 transitions. [2021-06-05 10:05:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:05:45,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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 [2021-06-05 10:05:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:45,157 INFO L225 Difference]: With dead ends: 5425 [2021-06-05 10:05:45,157 INFO L226 Difference]: Without dead ends: 2660 [2021-06-05 10:05:45,158 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 185.2ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 10:05:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2021-06-05 10:05:45,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2660. [2021-06-05 10:05:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2659 states have (on average 3.213238059420835) internal successors, (8544), 2659 states have internal predecessors, (8544), 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) [2021-06-05 10:05:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 8544 transitions. [2021-06-05 10:05:45,288 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 8544 transitions. Word has length 50 [2021-06-05 10:05:45,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:45,288 INFO L482 AbstractCegarLoop]: Abstraction has 2660 states and 8544 transitions. [2021-06-05 10:05:45,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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) [2021-06-05 10:05:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 8544 transitions. [2021-06-05 10:05:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 10:05:45,294 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:45,294 INFO L521 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] [2021-06-05 10:05:45,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:05:45,295 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:45,295 INFO L82 PathProgramCache]: Analyzing trace with hash -903022648, now seen corresponding path program 1 times [2021-06-05 10:05:45,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:45,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994338431] [2021-06-05 10:05:45,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:45,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:45,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994338431] [2021-06-05 10:05:45,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994338431] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:45,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:45,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:45,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780817535] [2021-06-05 10:05:45,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:45,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:45,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:45,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:45,403 INFO L87 Difference]: Start difference. First operand 2660 states and 8544 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) [2021-06-05 10:05:45,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:45,543 INFO L93 Difference]: Finished difference Result 3092 states and 9876 transitions. [2021-06-05 10:05:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:45,544 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 [2021-06-05 10:05:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:45,559 INFO L225 Difference]: With dead ends: 3092 [2021-06-05 10:05:45,559 INFO L226 Difference]: Without dead ends: 2612 [2021-06-05 10:05:45,559 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 112.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2021-06-05 10:05:45,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2021-06-05 10:05:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2612 states, 2611 states have (on average 3.2033703561853697) internal successors, (8364), 2611 states have internal predecessors, (8364), 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) [2021-06-05 10:05:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 8364 transitions. [2021-06-05 10:05:45,675 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 8364 transitions. Word has length 53 [2021-06-05 10:05:45,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:45,675 INFO L482 AbstractCegarLoop]: Abstraction has 2612 states and 8364 transitions. [2021-06-05 10:05:45,676 INFO L483 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) [2021-06-05 10:05:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 8364 transitions. [2021-06-05 10:05:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:05:45,682 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:45,682 INFO L521 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] [2021-06-05 10:05:45,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:05:45,682 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:45,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:45,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1478172280, now seen corresponding path program 1 times [2021-06-05 10:05:45,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:45,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044997412] [2021-06-05 10:05:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:45,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:45,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044997412] [2021-06-05 10:05:45,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044997412] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:45,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:45,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:45,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784215173] [2021-06-05 10:05:45,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:45,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:45,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:45,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:45,776 INFO L87 Difference]: Start difference. First operand 2612 states and 8364 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2021-06-05 10:05:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:45,914 INFO L93 Difference]: Finished difference Result 3956 states and 12524 transitions. [2021-06-05 10:05:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:45,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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 [2021-06-05 10:05:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:45,929 INFO L225 Difference]: With dead ends: 3956 [2021-06-05 10:05:45,930 INFO L226 Difference]: Without dead ends: 2804 [2021-06-05 10:05:45,930 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 115.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:45,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-06-05 10:05:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2420. [2021-06-05 10:05:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2419 states have (on average 3.1269119470855724) internal successors, (7564), 2419 states have internal predecessors, (7564), 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) [2021-06-05 10:05:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 7564 transitions. [2021-06-05 10:05:46,000 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 7564 transitions. Word has length 54 [2021-06-05 10:05:46,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:46,001 INFO L482 AbstractCegarLoop]: Abstraction has 2420 states and 7564 transitions. [2021-06-05 10:05:46,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2021-06-05 10:05:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 7564 transitions. [2021-06-05 10:05:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:05:46,007 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:46,008 INFO L521 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, 1] [2021-06-05 10:05:46,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:05:46,008 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:46,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:46,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1679020697, now seen corresponding path program 1 times [2021-06-05 10:05:46,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:46,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702540801] [2021-06-05 10:05:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:46,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:46,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702540801] [2021-06-05 10:05:46,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702540801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:46,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:46,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:46,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315149199] [2021-06-05 10:05:46,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:46,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:46,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:46,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:46,165 INFO L87 Difference]: Start difference. First operand 2420 states and 7564 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-06-05 10:05:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:46,269 INFO L93 Difference]: Finished difference Result 3188 states and 9924 transitions. [2021-06-05 10:05:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:05:46,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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 55 [2021-06-05 10:05:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:46,277 INFO L225 Difference]: With dead ends: 3188 [2021-06-05 10:05:46,277 INFO L226 Difference]: Without dead ends: 1183 [2021-06-05 10:05:46,278 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 153.1ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-06-05 10:05:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2021-06-05 10:05:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 3.020304568527919) internal successors, (3570), 1182 states have internal predecessors, (3570), 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) [2021-06-05 10:05:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 3570 transitions. [2021-06-05 10:05:46,311 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 3570 transitions. Word has length 55 [2021-06-05 10:05:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:46,311 INFO L482 AbstractCegarLoop]: Abstraction has 1183 states and 3570 transitions. [2021-06-05 10:05:46,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-06-05 10:05:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 3570 transitions. [2021-06-05 10:05:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:05:46,315 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:46,315 INFO L521 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, 1] [2021-06-05 10:05:46,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:05:46,315 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:46,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:46,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1721608039, now seen corresponding path program 2 times [2021-06-05 10:05:46,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:46,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905641992] [2021-06-05 10:05:46,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:46,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:46,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905641992] [2021-06-05 10:05:46,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905641992] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:46,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:46,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:46,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682010068] [2021-06-05 10:05:46,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:46,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:46,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:46,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:46,447 INFO L87 Difference]: Start difference. First operand 1183 states and 3570 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-06-05 10:05:46,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:46,560 INFO L93 Difference]: Finished difference Result 1388 states and 4133 transitions. [2021-06-05 10:05:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:46,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-06-05 10:05:46,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:46,578 INFO L225 Difference]: With dead ends: 1388 [2021-06-05 10:05:46,578 INFO L226 Difference]: Without dead ends: 1068 [2021-06-05 10:05:46,578 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 102.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-06-05 10:05:46,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2021-06-05 10:05:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1067 states have (on average 2.980318650421743) internal successors, (3180), 1067 states have internal predecessors, (3180), 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) [2021-06-05 10:05:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 3180 transitions. [2021-06-05 10:05:46,611 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 3180 transitions. Word has length 55 [2021-06-05 10:05:46,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:46,611 INFO L482 AbstractCegarLoop]: Abstraction has 1068 states and 3180 transitions. [2021-06-05 10:05:46,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-06-05 10:05:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 3180 transitions. [2021-06-05 10:05:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-05 10:05:46,614 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:46,614 INFO L521 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, 1, 1] [2021-06-05 10:05:46,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:05:46,614 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:46,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1625570487, now seen corresponding path program 1 times [2021-06-05 10:05:46,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:46,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586611423] [2021-06-05 10:05:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:46,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:46,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586611423] [2021-06-05 10:05:46,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586611423] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:46,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:46,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:46,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360641834] [2021-06-05 10:05:46,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:46,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:46,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:46,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:46,714 INFO L87 Difference]: Start difference. First operand 1068 states and 3180 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-06-05 10:05:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:46,853 INFO L93 Difference]: Finished difference Result 960 states and 2760 transitions. [2021-06-05 10:05:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:05:46,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 56 [2021-06-05 10:05:46,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:46,857 INFO L225 Difference]: With dead ends: 960 [2021-06-05 10:05:46,857 INFO L226 Difference]: Without dead ends: 708 [2021-06-05 10:05:46,859 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 118.2ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:05:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-06-05 10:05:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2021-06-05 10:05:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 707 states have (on average 2.8217821782178216) internal successors, (1995), 707 states have internal predecessors, (1995), 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) [2021-06-05 10:05:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1995 transitions. [2021-06-05 10:05:46,874 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1995 transitions. Word has length 56 [2021-06-05 10:05:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:46,875 INFO L482 AbstractCegarLoop]: Abstraction has 708 states and 1995 transitions. [2021-06-05 10:05:46,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-06-05 10:05:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1995 transitions. [2021-06-05 10:05:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 10:05:46,877 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:46,877 INFO L521 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, 1, 1, 1] [2021-06-05 10:05:46,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:05:46,877 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:46,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:46,878 INFO L82 PathProgramCache]: Analyzing trace with hash -255944118, now seen corresponding path program 1 times [2021-06-05 10:05:46,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:46,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707529206] [2021-06-05 10:05:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:47,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:47,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707529206] [2021-06-05 10:05:47,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707529206] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:47,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:47,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:05:47,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207290528] [2021-06-05 10:05:47,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:05:47,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:47,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:05:47,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:05:47,011 INFO L87 Difference]: Start difference. First operand 708 states and 1995 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-06-05 10:05:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:47,099 INFO L93 Difference]: Finished difference Result 411 states and 1104 transitions. [2021-06-05 10:05:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 10:05:47,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 57 [2021-06-05 10:05:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:47,100 INFO L225 Difference]: With dead ends: 411 [2021-06-05 10:05:47,100 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:05:47,100 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 101.4ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:05:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:05:47,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:05:47,101 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) [2021-06-05 10:05:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:05:47,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2021-06-05 10:05:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:47,101 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:05:47,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-06-05 10:05:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:05:47,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:05:47,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:05:47,103 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:05:47,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:05:47 BasicIcfg [2021-06-05 10:05:47,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:05:47,109 INFO L168 Benchmark]: Toolchain (without parser) took 5510.56 ms. Allocated memory was 360.7 MB in the beginning and 878.7 MB in the end (delta: 518.0 MB). Free memory was 323.6 MB in the beginning and 719.7 MB in the end (delta: -396.1 MB). Peak memory consumption was 123.6 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:47,110 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 341.3 MB in the beginning and 341.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:05:47,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.61 ms. Allocated memory is still 360.7 MB. Free memory was 323.4 MB in the beginning and 323.5 MB in the end (delta: -31.8 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:47,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.34 ms. Allocated memory is still 360.7 MB. Free memory was 323.5 MB in the beginning and 321.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:47,113 INFO L168 Benchmark]: Boogie Preprocessor took 31.44 ms. Allocated memory is still 360.7 MB. Free memory was 321.4 MB in the beginning and 320.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:05:47,116 INFO L168 Benchmark]: RCFGBuilder took 524.71 ms. Allocated memory is still 360.7 MB. Free memory was 320.3 MB in the beginning and 295.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:47,117 INFO L168 Benchmark]: TraceAbstraction took 4379.70 ms. Allocated memory was 360.7 MB in the beginning and 878.7 MB in the end (delta: 518.0 MB). Free memory was 295.1 MB in the beginning and 719.7 MB in the end (delta: -424.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:47,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 341.3 MB in the beginning and 341.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 505.61 ms. Allocated memory is still 360.7 MB. Free memory was 323.4 MB in the beginning and 323.5 MB in the end (delta: -31.8 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.34 ms. Allocated memory is still 360.7 MB. Free memory was 323.5 MB in the beginning and 321.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.44 ms. Allocated memory is still 360.7 MB. Free memory was 321.4 MB in the beginning and 320.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 524.71 ms. Allocated memory is still 360.7 MB. Free memory was 320.3 MB in the beginning and 295.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4379.70 ms. Allocated memory was 360.7 MB in the beginning and 878.7 MB in the end (delta: 518.0 MB). Free memory was 295.1 MB in the beginning and 719.7 MB in the end (delta: -424.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4250.5ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 138.3ms, AutomataDifference: 1536.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 465.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 749 SDtfs, 1005 SDslu, 2273 SDs, 0 SdLazy, 241 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 228.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1074.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8057occurred in iteration=0, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 719.0ms AutomataMinimizationTime, 8 MinimizatonAttempts, 384 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.2ms SsaConstructionTime, 194.4ms SatisfiabilityAnalysisTime, 986.5ms InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 1360 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...