/usr/bin/java -Xmx8000000000 -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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 16:51:13,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 16:51:13,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 16:51:13,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 16:51:13,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 16:51:13,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 16:51:13,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 16:51:13,890 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.epf [2021-07-09 16:51:13,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 16:51:13,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 16:51:13,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 16:51:13,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 16:51:13,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 16:51:13,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 16:51:13,938 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 16:51:13,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 16:51:13,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 16:51:13,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 16:51:13,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 16:51:13,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 16:51:13,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 16:51:13,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 16:51:13,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 16:51:13,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 16:51:13,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 16:51:13,942 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 16:51:13,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 16:51:13,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 16:51:14,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 16:51:14,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 16:51:14,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 16:51:14,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 16:51:14,222 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 16:51:14,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2021-07-09 16:51:14,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824ec949/02f3a5af1a4e4b638a1d4ccfe506996d/FLAG272ba0911 [2021-07-09 16:51:14,688 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 16:51:14,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2021-07-09 16:51:14,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824ec949/02f3a5af1a4e4b638a1d4ccfe506996d/FLAG272ba0911 [2021-07-09 16:51:15,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c824ec949/02f3a5af1a4e4b638a1d4ccfe506996d [2021-07-09 16:51:15,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 16:51:15,043 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 16:51:15,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 16:51:15,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 16:51:15,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 16:51:15,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30de6ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15, skipping insertion in model container [2021-07-09 16:51:15,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 16:51:15,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 16:51:15,213 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/safe027_pso.oepc.i[950,963] [2021-07-09 16:51:15,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 16:51:15,402 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 16:51:15,410 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/safe027_pso.oepc.i[950,963] [2021-07-09 16:51:15,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 16:51:15,476 INFO L208 MainTranslator]: Completed translation [2021-07-09 16:51:15,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15 WrapperNode [2021-07-09 16:51:15,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 16:51:15,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 16:51:15,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 16:51:15,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 16:51:15,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 16:51:15,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 16:51:15,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 16:51:15,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 16:51:15,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (1/1) ... [2021-07-09 16:51:15,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 16:51:15,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 16:51:15,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 16:51:15,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 16:51:15,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (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 [2021-07-09 16:51:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 16:51:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 16:51:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 16:51:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 16:51:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-09 16:51:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-09 16:51:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-09 16:51:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-09 16:51:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-09 16:51:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-09 16:51:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-09 16:51:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-09 16:51:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 16:51:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 16:51:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 16:51:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 16:51:15,673 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 16:51:15,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 16:51:15,911 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-09 16:51:15,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 04:51:15 BoogieIcfgContainer [2021-07-09 16:51:15,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 16:51:15,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 16:51:15,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 16:51:15,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 16:51:15,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 04:51:15" (1/3) ... [2021-07-09 16:51:15,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c21a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 04:51:15, skipping insertion in model container [2021-07-09 16:51:15,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:51:15" (2/3) ... [2021-07-09 16:51:15,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c21a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 04:51:15, skipping insertion in model container [2021-07-09 16:51:15,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 04:51:15" (3/3) ... [2021-07-09 16:51:15,919 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc.i [2021-07-09 16:51:15,923 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 16:51:15,923 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 16:51:15,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 16:51:15,923 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,954 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,958 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,958 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,961 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,961 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,963 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,963 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,963 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,963 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,964 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:51:15,966 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-09 16:51:15,981 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-09 16:51:15,993 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 16:51:15,993 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 16:51:15,994 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 16:51:15,994 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 16:51:15,994 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 16:51:15,994 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 16:51:15,994 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 16:51:15,994 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 16:51:16,002 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 99 transitions, 218 flow [2021-07-09 16:51:16,907 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 28884 states, 28883 states have (on average 4.2975452688432645) internal successors, (124126), 28883 states have internal predecessors, (124126), 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) [2021-07-09 16:51:16,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 28884 states, 28883 states have (on average 4.2975452688432645) internal successors, (124126), 28883 states have internal predecessors, (124126), 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) [2021-07-09 16:51:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-07-09 16:51:17,023 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:17,024 INFO L508 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] [2021-07-09 16:51:17,025 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:17,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1244979450, now seen corresponding path program 1 times [2021-07-09 16:51:17,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:17,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592548465] [2021-07-09 16:51:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:17,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:17,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592548465] [2021-07-09 16:51:17,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592548465] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:17,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:17,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:17,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393606572] [2021-07-09 16:51:17,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:17,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:17,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:17,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:17,582 INFO L87 Difference]: Start difference. First operand has 28884 states, 28883 states have (on average 4.2975452688432645) internal successors, (124126), 28883 states have internal predecessors, (124126), 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 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-07-09 16:51:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:18,306 INFO L93 Difference]: Finished difference Result 32916 states and 138334 transitions. [2021-07-09 16:51:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:51:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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 [2021-07-09 16:51:18,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:18,528 INFO L225 Difference]: With dead ends: 32916 [2021-07-09 16:51:18,528 INFO L226 Difference]: Without dead ends: 24096 [2021-07-09 16:51:18,529 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 122.4ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-09 16:51:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24096 states. [2021-07-09 16:51:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24096 to 24096. [2021-07-09 16:51:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24096 states, 24095 states have (on average 4.189831915335132) internal successors, (100954), 24095 states have internal predecessors, (100954), 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) [2021-07-09 16:51:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24096 states to 24096 states and 100954 transitions. [2021-07-09 16:51:19,597 INFO L78 Accepts]: Start accepts. Automaton has 24096 states and 100954 transitions. Word has length 57 [2021-07-09 16:51:19,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:19,598 INFO L482 AbstractCegarLoop]: Abstraction has 24096 states and 100954 transitions. [2021-07-09 16:51:19,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-07-09 16:51:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24096 states and 100954 transitions. [2021-07-09 16:51:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-07-09 16:51:19,863 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:19,863 INFO L508 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, 1, 1] [2021-07-09 16:51:19,863 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 16:51:19,864 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2135501223, now seen corresponding path program 1 times [2021-07-09 16:51:19,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:19,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826472794] [2021-07-09 16:51:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:20,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:20,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826472794] [2021-07-09 16:51:20,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826472794] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:20,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:20,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:20,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496389875] [2021-07-09 16:51:20,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:20,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:20,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:20,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:20,060 INFO L87 Difference]: Start difference. First operand 24096 states and 100954 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-07-09 16:51:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:20,834 INFO L93 Difference]: Finished difference Result 31802 states and 133015 transitions. [2021-07-09 16:51:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 16:51:20,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2021-07-09 16:51:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:21,007 INFO L225 Difference]: With dead ends: 31802 [2021-07-09 16:51:21,007 INFO L226 Difference]: Without dead ends: 26042 [2021-07-09 16:51:21,008 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 227.8ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-07-09 16:51:21,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26042 states. [2021-07-09 16:51:21,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26042 to 26042. [2021-07-09 16:51:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26042 states, 26041 states have (on average 4.193195345800852) internal successors, (109195), 26041 states have internal predecessors, (109195), 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) [2021-07-09 16:51:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26042 states to 26042 states and 109195 transitions. [2021-07-09 16:51:22,225 INFO L78 Accepts]: Start accepts. Automaton has 26042 states and 109195 transitions. Word has length 59 [2021-07-09 16:51:22,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:22,225 INFO L482 AbstractCegarLoop]: Abstraction has 26042 states and 109195 transitions. [2021-07-09 16:51:22,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-07-09 16:51:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 26042 states and 109195 transitions. [2021-07-09 16:51:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-09 16:51:22,330 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:22,330 INFO L508 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, 1, 1, 1] [2021-07-09 16:51:22,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 16:51:22,331 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash -396864422, now seen corresponding path program 1 times [2021-07-09 16:51:22,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:22,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155686222] [2021-07-09 16:51:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:22,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:22,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155686222] [2021-07-09 16:51:22,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155686222] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:22,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:22,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:22,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312878208] [2021-07-09 16:51:22,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:22,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:22,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:22,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:22,492 INFO L87 Difference]: Start difference. First operand 26042 states and 109195 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-07-09 16:51:22,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:22,773 INFO L93 Difference]: Finished difference Result 28730 states and 119619 transitions. [2021-07-09 16:51:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 16:51:22,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2021-07-09 16:51:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:23,083 INFO L225 Difference]: With dead ends: 28730 [2021-07-09 16:51:23,083 INFO L226 Difference]: Without dead ends: 24026 [2021-07-09 16:51:23,084 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 82.8ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-09 16:51:23,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24026 states. [2021-07-09 16:51:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24026 to 23586. [2021-07-09 16:51:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23586 states, 23585 states have (on average 4.1687937248251) internal successors, (98321), 23585 states have internal predecessors, (98321), 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) [2021-07-09 16:51:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23586 states to 23586 states and 98321 transitions. [2021-07-09 16:51:23,840 INFO L78 Accepts]: Start accepts. Automaton has 23586 states and 98321 transitions. Word has length 60 [2021-07-09 16:51:23,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:23,840 INFO L482 AbstractCegarLoop]: Abstraction has 23586 states and 98321 transitions. [2021-07-09 16:51:23,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-07-09 16:51:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23586 states and 98321 transitions. [2021-07-09 16:51:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-07-09 16:51:23,880 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:23,880 INFO L508 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, 1, 1, 1, 1] [2021-07-09 16:51:23,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 16:51:23,880 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:23,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:23,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1601116594, now seen corresponding path program 1 times [2021-07-09 16:51:23,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:23,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680551921] [2021-07-09 16:51:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:24,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:24,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680551921] [2021-07-09 16:51:24,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680551921] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:24,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:24,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 16:51:24,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708564759] [2021-07-09 16:51:24,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 16:51:24,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 16:51:24,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-09 16:51:24,176 INFO L87 Difference]: Start difference. First operand 23586 states and 98321 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-07-09 16:51:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:24,545 INFO L93 Difference]: Finished difference Result 33086 states and 136696 transitions. [2021-07-09 16:51:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 16:51:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 61 [2021-07-09 16:51:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:24,608 INFO L225 Difference]: With dead ends: 33086 [2021-07-09 16:51:24,608 INFO L226 Difference]: Without dead ends: 16286 [2021-07-09 16:51:24,609 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 175.9ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 16:51:24,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16286 states. [2021-07-09 16:51:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16286 to 16286. [2021-07-09 16:51:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16286 states, 16285 states have (on average 4.058704329137242) internal successors, (66096), 16285 states have internal predecessors, (66096), 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) [2021-07-09 16:51:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16286 states to 16286 states and 66096 transitions. [2021-07-09 16:51:25,246 INFO L78 Accepts]: Start accepts. Automaton has 16286 states and 66096 transitions. Word has length 61 [2021-07-09 16:51:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:25,246 INFO L482 AbstractCegarLoop]: Abstraction has 16286 states and 66096 transitions. [2021-07-09 16:51:25,246 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-07-09 16:51:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 16286 states and 66096 transitions. [2021-07-09 16:51:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-07-09 16:51:25,274 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:25,274 INFO L508 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, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:25,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 16:51:25,274 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:25,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:25,275 INFO L82 PathProgramCache]: Analyzing trace with hash 73966215, now seen corresponding path program 1 times [2021-07-09 16:51:25,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:25,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362870856] [2021-07-09 16:51:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:25,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:25,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362870856] [2021-07-09 16:51:25,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362870856] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:25,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:25,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 16:51:25,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170501002] [2021-07-09 16:51:25,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 16:51:25,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:25,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 16:51:25,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-09 16:51:25,355 INFO L87 Difference]: Start difference. First operand 16286 states and 66096 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-07-09 16:51:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:25,738 INFO L93 Difference]: Finished difference Result 22606 states and 91492 transitions. [2021-07-09 16:51:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:51:25,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 63 [2021-07-09 16:51:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:25,774 INFO L225 Difference]: With dead ends: 22606 [2021-07-09 16:51:25,774 INFO L226 Difference]: Without dead ends: 11161 [2021-07-09 16:51:25,774 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 116.5ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 16:51:25,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11161 states. [2021-07-09 16:51:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11161 to 11161. [2021-07-09 16:51:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11161 states, 11160 states have (on average 4.009498207885304) internal successors, (44746), 11160 states have internal predecessors, (44746), 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) [2021-07-09 16:51:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 44746 transitions. [2021-07-09 16:51:26,214 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 44746 transitions. Word has length 63 [2021-07-09 16:51:26,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:26,214 INFO L482 AbstractCegarLoop]: Abstraction has 11161 states and 44746 transitions. [2021-07-09 16:51:26,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-07-09 16:51:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 44746 transitions. [2021-07-09 16:51:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-07-09 16:51:26,232 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:26,232 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:26,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 16:51:26,233 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:26,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:26,233 INFO L82 PathProgramCache]: Analyzing trace with hash -611266510, now seen corresponding path program 1 times [2021-07-09 16:51:26,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:26,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151380772] [2021-07-09 16:51:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:26,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:26,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151380772] [2021-07-09 16:51:26,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151380772] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:26,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:26,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 16:51:26,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72974656] [2021-07-09 16:51:26,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 16:51:26,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:26,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 16:51:26,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 16:51:26,306 INFO L87 Difference]: Start difference. First operand 11161 states and 44746 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-07-09 16:51:26,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:26,465 INFO L93 Difference]: Finished difference Result 14913 states and 59378 transitions. [2021-07-09 16:51:26,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 16:51:26,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2021-07-09 16:51:26,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:26,499 INFO L225 Difference]: With dead ends: 14913 [2021-07-09 16:51:26,499 INFO L226 Difference]: Without dead ends: 10817 [2021-07-09 16:51:26,499 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 62.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 16:51:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10817 states. [2021-07-09 16:51:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10817 to 10817. [2021-07-09 16:51:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10817 states, 10816 states have (on average 3.9927884615384617) internal successors, (43186), 10816 states have internal predecessors, (43186), 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) [2021-07-09 16:51:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10817 states to 10817 states and 43186 transitions. [2021-07-09 16:51:26,876 INFO L78 Accepts]: Start accepts. Automaton has 10817 states and 43186 transitions. Word has length 65 [2021-07-09 16:51:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:26,876 INFO L482 AbstractCegarLoop]: Abstraction has 10817 states and 43186 transitions. [2021-07-09 16:51:26,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-07-09 16:51:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 10817 states and 43186 transitions. [2021-07-09 16:51:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-09 16:51:26,895 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:26,895 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:26,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 16:51:26,895 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:26,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:26,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1954010432, now seen corresponding path program 1 times [2021-07-09 16:51:26,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:26,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68023599] [2021-07-09 16:51:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:26,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:26,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68023599] [2021-07-09 16:51:26,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68023599] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:26,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:26,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:26,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438934407] [2021-07-09 16:51:26,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:26,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:26,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:26,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:26,968 INFO L87 Difference]: Start difference. First operand 10817 states and 43186 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-07-09 16:51:27,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:27,159 INFO L93 Difference]: Finished difference Result 13241 states and 52158 transitions. [2021-07-09 16:51:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:51:27,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 66 [2021-07-09 16:51:27,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:27,191 INFO L225 Difference]: With dead ends: 13241 [2021-07-09 16:51:27,191 INFO L226 Difference]: Without dead ends: 9401 [2021-07-09 16:51:27,192 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 88.4ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-09 16:51:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9401 states. [2021-07-09 16:51:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9401 to 9401. [2021-07-09 16:51:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9401 states, 9400 states have (on average 3.923191489361702) internal successors, (36878), 9400 states have internal predecessors, (36878), 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) [2021-07-09 16:51:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9401 states to 9401 states and 36878 transitions. [2021-07-09 16:51:27,550 INFO L78 Accepts]: Start accepts. Automaton has 9401 states and 36878 transitions. Word has length 66 [2021-07-09 16:51:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:27,550 INFO L482 AbstractCegarLoop]: Abstraction has 9401 states and 36878 transitions. [2021-07-09 16:51:27,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-07-09 16:51:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9401 states and 36878 transitions. [2021-07-09 16:51:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-07-09 16:51:27,566 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:27,566 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:27,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 16:51:27,567 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:27,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:27,567 INFO L82 PathProgramCache]: Analyzing trace with hash -653835235, now seen corresponding path program 1 times [2021-07-09 16:51:27,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:27,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525890248] [2021-07-09 16:51:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:27,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:27,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525890248] [2021-07-09 16:51:27,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525890248] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:27,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:27,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 16:51:27,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493533116] [2021-07-09 16:51:27,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 16:51:27,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:27,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 16:51:27,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 16:51:27,635 INFO L87 Difference]: Start difference. First operand 9401 states and 36878 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-07-09 16:51:27,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:27,797 INFO L93 Difference]: Finished difference Result 9734 states and 37430 transitions. [2021-07-09 16:51:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 16:51:27,798 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 67 [2021-07-09 16:51:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:27,818 INFO L225 Difference]: With dead ends: 9734 [2021-07-09 16:51:27,818 INFO L226 Difference]: Without dead ends: 6854 [2021-07-09 16:51:27,819 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 86.5ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 16:51:27,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2021-07-09 16:51:27,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6854. [2021-07-09 16:51:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6854 states, 6853 states have (on average 3.7970232015175833) internal successors, (26021), 6853 states have internal predecessors, (26021), 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) [2021-07-09 16:51:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6854 states to 6854 states and 26021 transitions. [2021-07-09 16:51:27,970 INFO L78 Accepts]: Start accepts. Automaton has 6854 states and 26021 transitions. Word has length 67 [2021-07-09 16:51:27,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:27,971 INFO L482 AbstractCegarLoop]: Abstraction has 6854 states and 26021 transitions. [2021-07-09 16:51:27,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-07-09 16:51:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6854 states and 26021 transitions. [2021-07-09 16:51:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-07-09 16:51:27,982 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:27,982 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:27,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 16:51:27,983 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:27,983 INFO L82 PathProgramCache]: Analyzing trace with hash -810842276, now seen corresponding path program 1 times [2021-07-09 16:51:27,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:27,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957389418] [2021-07-09 16:51:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:28,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:28,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957389418] [2021-07-09 16:51:28,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957389418] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:28,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:28,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-09 16:51:28,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985533593] [2021-07-09 16:51:28,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 16:51:28,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:28,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 16:51:28,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-09 16:51:28,060 INFO L87 Difference]: Start difference. First operand 6854 states and 26021 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-07-09 16:51:28,170 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-07-09 16:51:28,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:28,345 INFO L93 Difference]: Finished difference Result 5936 states and 22160 transitions. [2021-07-09 16:51:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 16:51:28,346 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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 69 [2021-07-09 16:51:28,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:28,358 INFO L225 Difference]: With dead ends: 5936 [2021-07-09 16:51:28,358 INFO L226 Difference]: Without dead ends: 4532 [2021-07-09 16:51:28,358 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 209.7ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-07-09 16:51:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4532 states. [2021-07-09 16:51:28,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4532 to 4532. [2021-07-09 16:51:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4532 states, 4531 states have (on average 3.693003751931141) internal successors, (16733), 4531 states have internal predecessors, (16733), 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) [2021-07-09 16:51:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 4532 states and 16733 transitions. [2021-07-09 16:51:28,451 INFO L78 Accepts]: Start accepts. Automaton has 4532 states and 16733 transitions. Word has length 69 [2021-07-09 16:51:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:28,452 INFO L482 AbstractCegarLoop]: Abstraction has 4532 states and 16733 transitions. [2021-07-09 16:51:28,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-07-09 16:51:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4532 states and 16733 transitions. [2021-07-09 16:51:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-07-09 16:51:28,460 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:28,460 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:28,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 16:51:28,460 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2057747741, now seen corresponding path program 1 times [2021-07-09 16:51:28,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:28,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287455181] [2021-07-09 16:51:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:28,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:28,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287455181] [2021-07-09 16:51:28,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287455181] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:28,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:28,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:28,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279425129] [2021-07-09 16:51:28,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:28,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:28,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:28,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:28,544 INFO L87 Difference]: Start difference. First operand 4532 states and 16733 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-07-09 16:51:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:28,653 INFO L93 Difference]: Finished difference Result 6605 states and 24478 transitions. [2021-07-09 16:51:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 16:51:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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 71 [2021-07-09 16:51:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:28,665 INFO L225 Difference]: With dead ends: 6605 [2021-07-09 16:51:28,665 INFO L226 Difference]: Without dead ends: 4116 [2021-07-09 16:51:28,665 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 82.3ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 16:51:28,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4116 states. [2021-07-09 16:51:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4116 to 3540. [2021-07-09 16:51:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 3539 states have (on average 3.631816897428652) internal successors, (12853), 3539 states have internal predecessors, (12853), 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) [2021-07-09 16:51:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 12853 transitions. [2021-07-09 16:51:28,731 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 12853 transitions. Word has length 71 [2021-07-09 16:51:28,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:28,731 INFO L482 AbstractCegarLoop]: Abstraction has 3540 states and 12853 transitions. [2021-07-09 16:51:28,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-07-09 16:51:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 12853 transitions. [2021-07-09 16:51:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-07-09 16:51:28,737 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:51:28,737 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 16:51:28,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 16:51:28,737 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:51:28,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:51:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 226914175, now seen corresponding path program 2 times [2021-07-09 16:51:28,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:51:28,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845293639] [2021-07-09 16:51:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:51:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:51:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:51:28,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:51:28,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845293639] [2021-07-09 16:51:28,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845293639] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:51:28,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:51:28,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:51:28,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361965389] [2021-07-09 16:51:28,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:51:28,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:51:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:51:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:51:28,797 INFO L87 Difference]: Start difference. First operand 3540 states and 12853 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-07-09 16:51:28,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:51:28,914 INFO L93 Difference]: Finished difference Result 3378 states and 12259 transitions. [2021-07-09 16:51:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-09 16:51:28,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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 71 [2021-07-09 16:51:28,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:51:28,914 INFO L225 Difference]: With dead ends: 3378 [2021-07-09 16:51:28,914 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 16:51:28,914 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 77.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 16:51:28,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 16:51:28,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 16:51:28,915 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) [2021-07-09 16:51:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 16:51:28,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2021-07-09 16:51:28,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:51:28,915 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 16:51:28,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-07-09 16:51:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 16:51:28,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 16:51:28,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 16:51:28,917 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 16:51:28,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 04:51:28 BasicIcfg [2021-07-09 16:51:28,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 16:51:28,919 INFO L168 Benchmark]: Toolchain (without parser) took 13876.28 ms. Allocated memory was 183.5 MB in the beginning and 6.5 GB in the end (delta: 6.4 GB). Free memory was 147.0 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,919 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 165.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 16:51:28,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.50 ms. Allocated memory is still 183.5 MB. Free memory was 146.7 MB in the beginning and 156.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.10 ms. Allocated memory is still 183.5 MB. Free memory was 156.7 MB in the beginning and 154.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,920 INFO L168 Benchmark]: Boogie Preprocessor took 27.01 ms. Allocated memory is still 183.5 MB. Free memory was 154.6 MB in the beginning and 153.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,920 INFO L168 Benchmark]: RCFGBuilder took 359.29 ms. Allocated memory is still 183.5 MB. Free memory was 153.6 MB in the beginning and 127.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,920 INFO L168 Benchmark]: TraceAbstraction took 13005.12 ms. Allocated memory was 183.5 MB in the beginning and 6.5 GB in the end (delta: 6.4 GB). Free memory was 127.4 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-07-09 16:51:28,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 165.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 432.50 ms. Allocated memory is still 183.5 MB. Free memory was 146.7 MB in the beginning and 156.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.10 ms. Allocated memory is still 183.5 MB. Free memory was 156.7 MB in the beginning and 154.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.01 ms. Allocated memory is still 183.5 MB. Free memory was 154.6 MB in the beginning and 153.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 359.29 ms. Allocated memory is still 183.5 MB. Free memory was 153.6 MB in the beginning and 127.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13005.12 ms. Allocated memory was 183.5 MB in the beginning and 6.5 GB in the end (delta: 6.4 GB). Free memory was 127.4 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 128 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12924.3ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 629.2ms, AutomataDifference: 4542.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 912.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1363 SDtfs, 2404 SDslu, 4890 SDs, 0 SdLazy, 563 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 476.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1332.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28884occurred in iteration=0, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5136.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.5ms SsaConstructionTime, 203.7ms SatisfiabilityAnalysisTime, 1138.7ms InterpolantComputationTime, 709 NumberOfCodeBlocks, 709 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 3398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...