/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:09:19,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:09:19,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:09:19,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 10:09:19,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 10:09:19,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 10:09:19,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 10:09:19,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 10:09:19,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 10:09:19,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 10:09:19,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 10:09:19,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 10:09:19,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:09:20,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:09:20,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:09:20,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:09:20,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:09:20,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:09:20,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:09:20,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:09:20,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:09:20,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:09:20,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:09:20,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:09:20,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:09:20,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:09:20,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:09:20,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:09:20,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 10:09:20,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:09:20,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:09:20,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:09:20,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:09:20,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:09:20,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:09:20,061 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:09:20,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:09:20,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:09:20,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:09:20,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:09:20,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:09:20,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:09:20,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:09:20,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:09:20,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:09:20,064 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:09:20,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:09:20,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:09:20,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:09:20,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:09:20,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:09:20,321 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:09:20,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2021-06-05 10:09:20,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1fc84d3/0c6184a8d57f4c139966c7a313e8a5b3/FLAG71a059ed7 [2021-06-05 10:09:20,768 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:09:20,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2021-06-05 10:09:20,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1fc84d3/0c6184a8d57f4c139966c7a313e8a5b3/FLAG71a059ed7 [2021-06-05 10:09:21,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1fc84d3/0c6184a8d57f4c139966c7a313e8a5b3 [2021-06-05 10:09:21,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:09:21,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:09:21,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:09:21,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:09:21,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:09:21,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf879da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21, skipping insertion in model container [2021-06-05 10:09:21,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:09:21,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:09:21,270 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/safe020_tso.opt.i[949,962] [2021-06-05 10:09:21,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:09:21,350 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:09:21,395 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/safe020_tso.opt.i[949,962] [2021-06-05 10:09:21,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:09:21,460 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:09:21,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21 WrapperNode [2021-06-05 10:09:21,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:09:21,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:09:21,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:09:21,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:09:21,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:09:21,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:09:21,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:09:21,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:09:21,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... [2021-06-05 10:09:21,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:09:21,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:09:21,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:09:21,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:09:21,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:09:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:09:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:09:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:09:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:09:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:09:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:09:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:09:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:09:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:09:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:09:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:09:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:09:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:09:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:09:21,568 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:09:21,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:09:21,903 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:09:21,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:09:21 BoogieIcfgContainer [2021-06-05 10:09:21,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:09:21,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:09:21,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:09:21,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:09:21,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:09:21" (1/3) ... [2021-06-05 10:09:21,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d0d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:09:21, skipping insertion in model container [2021-06-05 10:09:21,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:21" (2/3) ... [2021-06-05 10:09:21,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d0d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:09:21, skipping insertion in model container [2021-06-05 10:09:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:09:21" (3/3) ... [2021-06-05 10:09:21,910 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.opt.i [2021-06-05 10:09:21,915 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:09:21,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:09:21,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:09:21,916 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:09:21,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,945 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,956 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,957 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:21,966 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:09:21,981 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:09:22,001 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:09:22,002 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:09:22,002 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:09:22,002 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:09:22,002 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:09:22,002 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:09:22,002 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:09:22,002 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:09:22,012 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 82 transitions, 179 flow [2021-06-05 10:09:22,301 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:09:22,370 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:22,371 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:22,371 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:22,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:22,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1333187383, now seen corresponding path program 1 times [2021-06-05 10:09:22,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:22,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852783019] [2021-06-05 10:09:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:22,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:22,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852783019] [2021-06-05 10:09:22,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852783019] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:22,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:22,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:22,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391010916] [2021-06-05 10:09:22,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:22,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:22,676 INFO L87 Difference]: Start difference. First operand has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:22,912 INFO L93 Difference]: Finished difference Result 11254 states and 38820 transitions. [2021-06-05 10:09:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-06-05 10:09:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:22,953 INFO L225 Difference]: With dead ends: 11254 [2021-06-05 10:09:22,953 INFO L226 Difference]: Without dead ends: 4264 [2021-06-05 10:09:22,954 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 94.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:22,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2021-06-05 10:09:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4264. [2021-06-05 10:09:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4264 states, 4263 states have (on average 3.373915083274689) internal successors, (14383), 4263 states have internal predecessors, (14383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 14383 transitions. [2021-06-05 10:09:23,222 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 14383 transitions. Word has length 48 [2021-06-05 10:09:23,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:23,225 INFO L482 AbstractCegarLoop]: Abstraction has 4264 states and 14383 transitions. [2021-06-05 10:09:23,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 14383 transitions. [2021-06-05 10:09:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 10:09:23,239 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:23,240 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:23,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:09:23,240 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:23,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:23,242 INFO L82 PathProgramCache]: Analyzing trace with hash 622542102, now seen corresponding path program 1 times [2021-06-05 10:09:23,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:23,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113195161] [2021-06-05 10:09:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:23,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:23,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113195161] [2021-06-05 10:09:23,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113195161] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:23,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:23,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:23,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748329971] [2021-06-05 10:09:23,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:23,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:23,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:23,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:23,462 INFO L87 Difference]: Start difference. First operand 4264 states and 14383 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:23,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:23,698 INFO L93 Difference]: Finished difference Result 6808 states and 22581 transitions. [2021-06-05 10:09:23,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 10:09:23,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-05 10:09:23,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:23,719 INFO L225 Difference]: With dead ends: 6808 [2021-06-05 10:09:23,719 INFO L226 Difference]: Without dead ends: 4528 [2021-06-05 10:09:23,720 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 210.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:09:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4528 states. [2021-06-05 10:09:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4528 to 3808. [2021-06-05 10:09:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3807 states have (on average 3.287365379563961) internal successors, (12515), 3807 states have internal predecessors, (12515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 12515 transitions. [2021-06-05 10:09:23,827 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 12515 transitions. Word has length 50 [2021-06-05 10:09:23,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:23,827 INFO L482 AbstractCegarLoop]: Abstraction has 3808 states and 12515 transitions. [2021-06-05 10:09:23,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 12515 transitions. [2021-06-05 10:09:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:09:23,837 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:23,838 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:23,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:09:23,838 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:23,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:23,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1509932971, now seen corresponding path program 1 times [2021-06-05 10:09:23,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:23,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581724742] [2021-06-05 10:09:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:23,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:23,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581724742] [2021-06-05 10:09:23,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581724742] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:23,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:23,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:23,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455783852] [2021-06-05 10:09:23,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:23,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:23,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:23,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:23,947 INFO L87 Difference]: Start difference. First operand 3808 states and 12515 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:24,120 INFO L93 Difference]: Finished difference Result 5356 states and 17475 transitions. [2021-06-05 10:09:24,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:09:24,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-06-05 10:09:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:24,132 INFO L225 Difference]: With dead ends: 5356 [2021-06-05 10:09:24,132 INFO L226 Difference]: Without dead ends: 2884 [2021-06-05 10:09:24,132 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 110.6ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 10:09:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2021-06-05 10:09:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2884. [2021-06-05 10:09:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2883 states have (on average 3.183142559833507) internal successors, (9177), 2883 states have internal predecessors, (9177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 9177 transitions. [2021-06-05 10:09:24,189 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 9177 transitions. Word has length 52 [2021-06-05 10:09:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:24,191 INFO L482 AbstractCegarLoop]: Abstraction has 2884 states and 9177 transitions. [2021-06-05 10:09:24,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 9177 transitions. [2021-06-05 10:09:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:09:24,196 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:24,196 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:24,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:09:24,197 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:24,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1374435990, now seen corresponding path program 1 times [2021-06-05 10:09:24,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:24,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693708077] [2021-06-05 10:09:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:24,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:24,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693708077] [2021-06-05 10:09:24,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693708077] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:24,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:24,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:24,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923364119] [2021-06-05 10:09:24,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:24,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:24,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:24,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:24,287 INFO L87 Difference]: Start difference. First operand 2884 states and 9177 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:24,402 INFO L93 Difference]: Finished difference Result 3655 states and 11511 transitions. [2021-06-05 10:09:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:24,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-06-05 10:09:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:24,414 INFO L225 Difference]: With dead ends: 3655 [2021-06-05 10:09:24,414 INFO L226 Difference]: Without dead ends: 2695 [2021-06-05 10:09:24,414 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 88.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:24,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2021-06-05 10:09:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2695. [2021-06-05 10:09:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2694 states have (on average 3.1425389755011137) internal successors, (8466), 2694 states have internal predecessors, (8466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 8466 transitions. [2021-06-05 10:09:24,472 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 8466 transitions. Word has length 54 [2021-06-05 10:09:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:24,473 INFO L482 AbstractCegarLoop]: Abstraction has 2695 states and 8466 transitions. [2021-06-05 10:09:24,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 8466 transitions. [2021-06-05 10:09:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:09:24,477 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:24,477 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:24,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:09:24,478 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:24,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:24,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1728353214, now seen corresponding path program 1 times [2021-06-05 10:09:24,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:24,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524728260] [2021-06-05 10:09:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:24,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:24,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524728260] [2021-06-05 10:09:24,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524728260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:24,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:24,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:24,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482099715] [2021-06-05 10:09:24,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:24,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:24,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:24,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:24,547 INFO L87 Difference]: Start difference. First operand 2695 states and 8466 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:24,674 INFO L93 Difference]: Finished difference Result 2929 states and 8991 transitions. [2021-06-05 10:09:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:09:24,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 10:09:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:24,689 INFO L225 Difference]: With dead ends: 2929 [2021-06-05 10:09:24,690 INFO L226 Difference]: Without dead ends: 2101 [2021-06-05 10:09:24,690 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 90.1ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:09:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2021-06-05 10:09:24,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2101. [2021-06-05 10:09:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 2100 states have (on average 3.0228571428571427) internal successors, (6348), 2100 states have internal predecessors, (6348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 6348 transitions. [2021-06-05 10:09:24,737 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 6348 transitions. Word has length 55 [2021-06-05 10:09:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:24,737 INFO L482 AbstractCegarLoop]: Abstraction has 2101 states and 6348 transitions. [2021-06-05 10:09:24,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 6348 transitions. [2021-06-05 10:09:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 10:09:24,741 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:24,741 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:24,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:09:24,741 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:24,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:24,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1012911809, now seen corresponding path program 1 times [2021-06-05 10:09:24,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:24,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298413536] [2021-06-05 10:09:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:24,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:24,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298413536] [2021-06-05 10:09:24,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298413536] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:24,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:24,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:09:24,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861388993] [2021-06-05 10:09:24,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:09:24,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:24,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:09:24,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:09:24,869 INFO L87 Difference]: Start difference. First operand 2101 states and 6348 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:25,004 INFO L93 Difference]: Finished difference Result 1849 states and 5454 transitions. [2021-06-05 10:09:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:09:25,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-06-05 10:09:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:25,007 INFO L225 Difference]: With dead ends: 1849 [2021-06-05 10:09:25,007 INFO L226 Difference]: Without dead ends: 993 [2021-06-05 10:09:25,007 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 115.5ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:09:25,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-06-05 10:09:25,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 945. [2021-06-05 10:09:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 944 states have (on average 2.8739406779661016) internal successors, (2713), 944 states have internal predecessors, (2713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 2713 transitions. [2021-06-05 10:09:25,023 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 2713 transitions. Word has length 57 [2021-06-05 10:09:25,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:25,023 INFO L482 AbstractCegarLoop]: Abstraction has 945 states and 2713 transitions. [2021-06-05 10:09:25,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2713 transitions. [2021-06-05 10:09:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 10:09:25,024 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:25,024 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:25,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:09:25,025 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:25,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1221339300, now seen corresponding path program 1 times [2021-06-05 10:09:25,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:25,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160329842] [2021-06-05 10:09:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:25,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:25,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160329842] [2021-06-05 10:09:25,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160329842] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:25,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:25,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:25,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84887180] [2021-06-05 10:09:25,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:25,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:25,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:25,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:25,097 INFO L87 Difference]: Start difference. First operand 945 states and 2713 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) [2021-06-05 10:09:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:25,154 INFO L93 Difference]: Finished difference Result 1428 states and 4154 transitions. [2021-06-05 10:09:25,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:09:25,155 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 [2021-06-05 10:09:25,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:25,157 INFO L225 Difference]: With dead ends: 1428 [2021-06-05 10:09:25,157 INFO L226 Difference]: Without dead ends: 848 [2021-06-05 10:09:25,157 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 62.2ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-05 10:09:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-06-05 10:09:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-06-05 10:09:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 847 states have (on average 2.855962219598583) internal successors, (2419), 847 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 2419 transitions. [2021-06-05 10:09:25,171 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 2419 transitions. Word has length 59 [2021-06-05 10:09:25,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:25,172 INFO L482 AbstractCegarLoop]: Abstraction has 848 states and 2419 transitions. [2021-06-05 10:09:25,172 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) [2021-06-05 10:09:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 2419 transitions. [2021-06-05 10:09:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 10:09:25,174 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:25,174 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 10:09:25,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:09:25,174 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:25,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:25,174 INFO L82 PathProgramCache]: Analyzing trace with hash -793960868, now seen corresponding path program 2 times [2021-06-05 10:09:25,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:25,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42140] [2021-06-05 10:09:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:25,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:25,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42140] [2021-06-05 10:09:25,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42140] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:25,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:25,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:25,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952689895] [2021-06-05 10:09:25,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:25,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:25,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:25,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:25,276 INFO L87 Difference]: Start difference. First operand 848 states and 2419 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) [2021-06-05 10:09:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:25,347 INFO L93 Difference]: Finished difference Result 794 states and 2257 transitions. [2021-06-05 10:09:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 10:09:25,347 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 [2021-06-05 10:09:25,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:25,347 INFO L225 Difference]: With dead ends: 794 [2021-06-05 10:09:25,347 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:09:25,348 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 83.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:09:25,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:09:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 10:09:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:09:25,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-06-05 10:09:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:25,348 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:09:25,348 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) [2021-06-05 10:09:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:09:25,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:09:25,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:09:25,350 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:09:25,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:09:25 BasicIcfg [2021-06-05 10:09:25,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:09:25,352 INFO L168 Benchmark]: Toolchain (without parser) took 4216.66 ms. Allocated memory was 352.3 MB in the beginning and 820.0 MB in the end (delta: 467.7 MB). Free memory was 315.1 MB in the beginning and 638.3 MB in the end (delta: -323.1 MB). Peak memory consumption was 147.6 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,352 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 352.3 MB. Free memory is still 333.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:09:25,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.05 ms. Allocated memory is still 352.3 MB. Free memory was 315.1 MB in the beginning and 316.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 352.3 MB. Free memory was 316.4 MB in the beginning and 314.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,353 INFO L168 Benchmark]: Boogie Preprocessor took 12.53 ms. Allocated memory is still 352.3 MB. Free memory was 314.3 MB in the beginning and 312.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,353 INFO L168 Benchmark]: RCFGBuilder took 407.26 ms. Allocated memory is still 352.3 MB. Free memory was 312.2 MB in the beginning and 288.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,353 INFO L168 Benchmark]: TraceAbstraction took 3445.99 ms. Allocated memory was 352.3 MB in the beginning and 820.0 MB in the end (delta: 467.7 MB). Free memory was 287.0 MB in the beginning and 638.3 MB in the end (delta: -351.3 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:25,354 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 352.3 MB. Free memory is still 333.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 323.05 ms. Allocated memory is still 352.3 MB. Free memory was 315.1 MB in the beginning and 316.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 352.3 MB. Free memory was 316.4 MB in the beginning and 314.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.53 ms. Allocated memory is still 352.3 MB. Free memory was 314.3 MB in the beginning and 312.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 407.26 ms. Allocated memory is still 352.3 MB. Free memory was 312.2 MB in the beginning and 288.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3445.99 ms. Allocated memory was 352.3 MB in the beginning and 820.0 MB in the end (delta: 467.7 MB). Free memory was 287.0 MB in the beginning and 638.3 MB in the end (delta: -351.3 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3349.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 107.7ms, AutomataDifference: 1292.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 298.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 763 SDtfs, 1268 SDslu, 2556 SDs, 0 SdLazy, 317 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 226.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 855.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8008occurred in iteration=0, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 556.3ms AutomataMinimizationTime, 8 MinimizatonAttempts, 768 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.9ms SsaConstructionTime, 168.8ms SatisfiabilityAnalysisTime, 731.3ms InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 1544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...