/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 17:35:08,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 17:35:08,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 17:35:08,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 17:35:08,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 17:35:08,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 17:35:08,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 17:35:08,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 17:35:08,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 17:35:08,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 17:35:08,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 17:35:08,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 17:35:08,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 17:35:08,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 17:35:08,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 17:35:08,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 17:35:08,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 17:35:08,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 17:35:08,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 17:35:08,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 17:35:08,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 17:35:08,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 17:35:08,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 17:35:08,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 17:35:08,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 17:35:08,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 17:35:08,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 17:35:08,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 17:35:08,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 17:35:08,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 17:35:08,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 17:35:08,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 17:35:08,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 17:35:08,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 17:35:08,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 17:35:08,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 17:35:08,998 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 [2021-01-26 17:35:09,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 17:35:09,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 17:35:09,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 17:35:09,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 17:35:09,055 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 17:35:09,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 17:35:09,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 17:35:09,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 17:35:09,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 17:35:09,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 17:35:09,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 17:35:09,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 17:35:09,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 17:35:09,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 17:35:09,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 17:35:09,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 17:35:09,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 17:35:09,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 17:35:09,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 17:35:09,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 17:35:09,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 17:35:09,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:35:09,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 17:35:09,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 17:35:09,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 17:35:09,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 17:35:09,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 17:35:09,061 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 17:35:09,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 17:35:09,061 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 17:35:09,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 17:35:09,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 17:35:09,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 17:35:09,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 17:35:09,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 17:35:09,451 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 17:35:09,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.opt.i [2021-01-26 17:35:09,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b259a1d6c/d12a2c93e52c423aae10c520dfb8cd53/FLAG79a406876 [2021-01-26 17:35:10,183 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 17:35:10,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.opt.i [2021-01-26 17:35:10,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b259a1d6c/d12a2c93e52c423aae10c520dfb8cd53/FLAG79a406876 [2021-01-26 17:35:10,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b259a1d6c/d12a2c93e52c423aae10c520dfb8cd53 [2021-01-26 17:35:10,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 17:35:10,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 17:35:10,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 17:35:10,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 17:35:10,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 17:35:10,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:35:10" (1/1) ... [2021-01-26 17:35:10,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46948a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:10, skipping insertion in model container [2021-01-26 17:35:10,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:35:10" (1/1) ... [2021-01-26 17:35:10,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 17:35:10,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 17:35:11,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:35:11,034 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 17:35:11,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:35:11,214 INFO L208 MainTranslator]: Completed translation [2021-01-26 17:35:11,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11 WrapperNode [2021-01-26 17:35:11,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 17:35:11,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 17:35:11,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 17:35:11,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 17:35:11,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 17:35:11,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 17:35:11,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 17:35:11,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 17:35:11,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (1/1) ... [2021-01-26 17:35:11,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 17:35:11,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 17:35:11,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 17:35:11,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 17:35:11,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (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 [2021-01-26 17:35:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 17:35:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 17:35:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 17:35:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 17:35:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 17:35:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 17:35:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 17:35:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 17:35:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-26 17:35:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-26 17:35:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 17:35:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 17:35:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 17:35:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 17:35:11,390 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 17:35:11,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 17:35:11,829 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 17:35:11,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:35:11 BoogieIcfgContainer [2021-01-26 17:35:11,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 17:35:11,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 17:35:11,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 17:35:11,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 17:35:11,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:35:10" (1/3) ... [2021-01-26 17:35:11,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3a01dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:35:11, skipping insertion in model container [2021-01-26 17:35:11,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:35:11" (2/3) ... [2021-01-26 17:35:11,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3a01dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:35:11, skipping insertion in model container [2021-01-26 17:35:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:35:11" (3/3) ... [2021-01-26 17:35:11,840 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.opt.i [2021-01-26 17:35:11,856 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 17:35:11,856 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 17:35:11,860 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 17:35:11,861 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 17:35:11,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,903 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,922 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,922 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:35:11,925 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 17:35:11,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 17:35:11,962 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 17:35:11,962 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 17:35:11,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 17:35:11,963 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 17:35:11,963 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 17:35:11,963 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 17:35:11,963 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 17:35:11,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 17:35:11,975 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow [2021-01-26 17:35:12,746 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-26 17:35:12,843 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:12,844 INFO L504 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] [2021-01-26 17:35:12,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:12,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:12,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1725749416, now seen corresponding path program 1 times [2021-01-26 17:35:12,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:12,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933888492] [2021-01-26 17:35:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:13,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933888492] [2021-01-26 17:35:13,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:13,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:13,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945765009] [2021-01-26 17:35:13,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:13,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:13,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:13,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:13,406 INFO L87 Difference]: Start difference. First operand has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:13,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:13,903 INFO L93 Difference]: Finished difference Result 13459 states and 47001 transitions. [2021-01-26 17:35:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:13,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-01-26 17:35:13,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:13,982 INFO L225 Difference]: With dead ends: 13459 [2021-01-26 17:35:13,982 INFO L226 Difference]: Without dead ends: 5164 [2021-01-26 17:35:13,984 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:13,984 INFO L78 Accepts]: Start accepts. Automaton has 5164 states. Word has length 41 [2021-01-26 17:35:13,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:13,986 INFO L481 AbstractCegarLoop]: Abstraction has 5164 states. [2021-01-26 17:35:13,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states. [2021-01-26 17:35:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-26 17:35:14,003 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:14,003 INFO L504 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] [2021-01-26 17:35:14,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 17:35:14,004 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:14,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1909768869, now seen corresponding path program 1 times [2021-01-26 17:35:14,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:14,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168708087] [2021-01-26 17:35:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:14,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168708087] [2021-01-26 17:35:14,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:14,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:14,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517081099] [2021-01-26 17:35:14,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:14,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:14,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:14,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:14,154 INFO L87 Difference]: Start difference. First operand 5164 states. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:14,497 INFO L93 Difference]: Finished difference Result 8909 states and 30137 transitions. [2021-01-26 17:35:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:14,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-01-26 17:35:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:14,573 INFO L225 Difference]: With dead ends: 8909 [2021-01-26 17:35:14,573 INFO L226 Difference]: Without dead ends: 6004 [2021-01-26 17:35:14,574 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:14,632 INFO L78 Accepts]: Start accepts. Automaton has 6004 states. Word has length 43 [2021-01-26 17:35:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:14,632 INFO L481 AbstractCegarLoop]: Abstraction has 6004 states. [2021-01-26 17:35:14,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 6004 states. [2021-01-26 17:35:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-26 17:35:14,649 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:14,649 INFO L504 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] [2021-01-26 17:35:14,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 17:35:14,649 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1966288231, now seen corresponding path program 1 times [2021-01-26 17:35:14,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:14,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239943568] [2021-01-26 17:35:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:14,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239943568] [2021-01-26 17:35:14,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:14,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:14,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032786757] [2021-01-26 17:35:14,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:14,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:14,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:14,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:14,768 INFO L87 Difference]: Start difference. First operand 6004 states. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:14,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:14,940 INFO L93 Difference]: Finished difference Result 5444 states and 17955 transitions. [2021-01-26 17:35:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:14,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-01-26 17:35:14,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:14,968 INFO L225 Difference]: With dead ends: 5444 [2021-01-26 17:35:14,968 INFO L226 Difference]: Without dead ends: 3274 [2021-01-26 17:35:14,969 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:14,969 INFO L78 Accepts]: Start accepts. Automaton has 3274 states. Word has length 43 [2021-01-26 17:35:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:14,970 INFO L481 AbstractCegarLoop]: Abstraction has 3274 states. [2021-01-26 17:35:14,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states. [2021-01-26 17:35:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-26 17:35:14,979 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:14,980 INFO L504 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] [2021-01-26 17:35:14,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 17:35:14,980 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:14,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1990619176, now seen corresponding path program 1 times [2021-01-26 17:35:14,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:14,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195809388] [2021-01-26 17:35:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:15,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195809388] [2021-01-26 17:35:15,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:15,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:15,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998868396] [2021-01-26 17:35:15,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:15,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:15,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:15,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:15,131 INFO L87 Difference]: Start difference. First operand 3274 states. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:15,276 INFO L93 Difference]: Finished difference Result 3770 states and 12367 transitions. [2021-01-26 17:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:15,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-01-26 17:35:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:15,290 INFO L225 Difference]: With dead ends: 3770 [2021-01-26 17:35:15,291 INFO L226 Difference]: Without dead ends: 3210 [2021-01-26 17:35:15,291 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:15,291 INFO L78 Accepts]: Start accepts. Automaton has 3210 states. Word has length 46 [2021-01-26 17:35:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:15,292 INFO L481 AbstractCegarLoop]: Abstraction has 3210 states. [2021-01-26 17:35:15,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states. [2021-01-26 17:35:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-26 17:35:15,302 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:15,302 INFO L504 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] [2021-01-26 17:35:15,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 17:35:15,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:15,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1452854260, now seen corresponding path program 1 times [2021-01-26 17:35:15,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:15,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032873168] [2021-01-26 17:35:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:15,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032873168] [2021-01-26 17:35:15,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:15,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:35:15,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823990804] [2021-01-26 17:35:15,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:35:15,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:15,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:35:15,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:35:15,494 INFO L87 Difference]: Start difference. First operand 3210 states. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:15,642 INFO L93 Difference]: Finished difference Result 4718 states and 15578 transitions. [2021-01-26 17:35:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:35:15,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-01-26 17:35:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:15,656 INFO L225 Difference]: With dead ends: 4718 [2021-01-26 17:35:15,657 INFO L226 Difference]: Without dead ends: 2965 [2021-01-26 17:35:15,657 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:15,657 INFO L78 Accepts]: Start accepts. Automaton has 2965 states. Word has length 47 [2021-01-26 17:35:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:15,658 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states. [2021-01-26 17:35:15,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states. [2021-01-26 17:35:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-26 17:35:15,668 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:15,668 INFO L504 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] [2021-01-26 17:35:15,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-26 17:35:15,669 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:15,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1988271790, now seen corresponding path program 2 times [2021-01-26 17:35:15,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:15,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229375557] [2021-01-26 17:35:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:15,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229375557] [2021-01-26 17:35:15,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:15,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:15,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468412828] [2021-01-26 17:35:15,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:15,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:15,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:15,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:15,803 INFO L87 Difference]: Start difference. First operand 2965 states. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:15,960 INFO L93 Difference]: Finished difference Result 4677 states and 15065 transitions. [2021-01-26 17:35:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:15,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-01-26 17:35:15,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:15,974 INFO L225 Difference]: With dead ends: 4677 [2021-01-26 17:35:15,975 INFO L226 Difference]: Without dead ends: 3349 [2021-01-26 17:35:15,975 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:15,975 INFO L78 Accepts]: Start accepts. Automaton has 3349 states. Word has length 47 [2021-01-26 17:35:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:15,976 INFO L481 AbstractCegarLoop]: Abstraction has 3349 states. [2021-01-26 17:35:15,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states. [2021-01-26 17:35:15,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-26 17:35:15,987 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:15,987 INFO L504 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] [2021-01-26 17:35:15,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-26 17:35:15,988 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:15,989 INFO L82 PathProgramCache]: Analyzing trace with hash 659614723, now seen corresponding path program 1 times [2021-01-26 17:35:15,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:15,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130503778] [2021-01-26 17:35:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:16,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130503778] [2021-01-26 17:35:16,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:16,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:35:16,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831544462] [2021-01-26 17:35:16,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:35:16,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:16,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:35:16,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:35:16,196 INFO L87 Difference]: Start difference. First operand 3349 states. 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) [2021-01-26 17:35:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:16,348 INFO L93 Difference]: Finished difference Result 4005 states and 12589 transitions. [2021-01-26 17:35:16,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:35:16,349 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 [2021-01-26 17:35:16,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:16,360 INFO L225 Difference]: With dead ends: 4005 [2021-01-26 17:35:16,361 INFO L226 Difference]: Without dead ends: 3053 [2021-01-26 17:35:16,361 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:16,361 INFO L78 Accepts]: Start accepts. Automaton has 3053 states. Word has length 48 [2021-01-26 17:35:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:16,362 INFO L481 AbstractCegarLoop]: Abstraction has 3053 states. [2021-01-26 17:35:16,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states. [2021-01-26 17:35:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-26 17:35:16,370 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:16,370 INFO L504 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] [2021-01-26 17:35:16,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-26 17:35:16,371 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:16,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:16,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1879681106, now seen corresponding path program 1 times [2021-01-26 17:35:16,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:16,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000325152] [2021-01-26 17:35:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:16,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000325152] [2021-01-26 17:35:16,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:16,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:35:16,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278813319] [2021-01-26 17:35:16,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:35:16,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:16,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:35:16,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:35:16,484 INFO L87 Difference]: Start difference. First operand 3053 states. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:16,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:16,657 INFO L93 Difference]: Finished difference Result 2915 states and 8883 transitions. [2021-01-26 17:35:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:35:16,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-01-26 17:35:16,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:16,666 INFO L225 Difference]: With dead ends: 2915 [2021-01-26 17:35:16,667 INFO L226 Difference]: Without dead ends: 2123 [2021-01-26 17:35:16,667 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-01-26 17:35:16,667 INFO L78 Accepts]: Start accepts. Automaton has 2123 states. Word has length 49 [2021-01-26 17:35:16,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:16,669 INFO L481 AbstractCegarLoop]: Abstraction has 2123 states. [2021-01-26 17:35:16,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states. [2021-01-26 17:35:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-26 17:35:16,676 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:16,677 INFO L504 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] [2021-01-26 17:35:16,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-26 17:35:16,677 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:16,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:16,678 INFO L82 PathProgramCache]: Analyzing trace with hash -793050483, now seen corresponding path program 1 times [2021-01-26 17:35:16,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:16,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102947858] [2021-01-26 17:35:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:16,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102947858] [2021-01-26 17:35:16,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:16,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 17:35:16,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453836047] [2021-01-26 17:35:16,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 17:35:16,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:16,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 17:35:16,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 17:35:16,922 INFO L87 Difference]: Start difference. First operand 2123 states. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:17,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:17,113 INFO L93 Difference]: Finished difference Result 1502 states and 4359 transitions. [2021-01-26 17:35:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-26 17:35:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-01-26 17:35:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:17,116 INFO L225 Difference]: With dead ends: 1502 [2021-01-26 17:35:17,116 INFO L226 Difference]: Without dead ends: 730 [2021-01-26 17:35:17,117 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-01-26 17:35:17,117 INFO L78 Accepts]: Start accepts. Automaton has 730 states. Word has length 51 [2021-01-26 17:35:17,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:17,117 INFO L481 AbstractCegarLoop]: Abstraction has 730 states. [2021-01-26 17:35:17,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states. [2021-01-26 17:35:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-26 17:35:17,120 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:35:17,120 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:35:17,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-26 17:35:17,120 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:35:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:35:17,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1746000022, now seen corresponding path program 1 times [2021-01-26 17:35:17,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:35:17,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892251258] [2021-01-26 17:35:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:35:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:35:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:35:17,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892251258] [2021-01-26 17:35:17,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:35:17,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:35:17,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896317238] [2021-01-26 17:35:17,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:35:17,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:35:17,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:35:17,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:35:17,211 INFO L87 Difference]: Start difference. First operand 730 states. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:35:17,297 INFO L93 Difference]: Finished difference Result 622 states and 1724 transitions. [2021-01-26 17:35:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:35:17,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-01-26 17:35:17,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:35:17,297 INFO L225 Difference]: With dead ends: 622 [2021-01-26 17:35:17,297 INFO L226 Difference]: Without dead ends: 0 [2021-01-26 17:35:17,298 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:35:17,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 53 [2021-01-26 17:35:17,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:35:17,298 INFO L481 AbstractCegarLoop]: Abstraction has 0 states. [2021-01-26 17:35:17,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:35:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2021-01-26 17:35:17,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-26 17:35:17,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-26 17:35:17,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:35:17 BasicIcfg [2021-01-26 17:35:17,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 17:35:17,306 INFO L168 Benchmark]: Toolchain (without parser) took 6801.62 ms. Allocated memory was 318.8 MB in the beginning and 713.0 MB in the end (delta: 394.3 MB). Free memory was 294.2 MB in the beginning and 522.4 MB in the end (delta: -228.2 MB). Peak memory consumption was 168.4 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,306 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 318.8 MB. Free memory is still 289.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 17:35:17,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.01 ms. Allocated memory is still 318.8 MB. Free memory was 293.1 MB in the beginning and 261.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.59 ms. Allocated memory is still 318.8 MB. Free memory was 261.5 MB in the beginning and 301.3 MB in the end (delta: -39.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,309 INFO L168 Benchmark]: Boogie Preprocessor took 27.85 ms. Allocated memory is still 318.8 MB. Free memory was 301.3 MB in the beginning and 300.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,309 INFO L168 Benchmark]: RCFGBuilder took 524.49 ms. Allocated memory is still 318.8 MB. Free memory was 300.2 MB in the beginning and 277.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,310 INFO L168 Benchmark]: TraceAbstraction took 5470.66 ms. Allocated memory was 318.8 MB in the beginning and 713.0 MB in the end (delta: 394.3 MB). Free memory was 277.1 MB in the beginning and 522.4 MB in the end (delta: -245.3 MB). Peak memory consumption was 149.0 MB. Max. memory is 16.0 GB. [2021-01-26 17:35:17,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 318.8 MB. Free memory is still 289.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 700.01 ms. Allocated memory is still 318.8 MB. Free memory was 293.1 MB in the beginning and 261.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.59 ms. Allocated memory is still 318.8 MB. Free memory was 261.5 MB in the beginning and 301.3 MB in the end (delta: -39.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.85 ms. Allocated memory is still 318.8 MB. Free memory was 301.3 MB in the beginning and 300.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 524.49 ms. Allocated memory is still 318.8 MB. Free memory was 300.2 MB in the beginning and 277.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5470.66 ms. Allocated memory was 318.8 MB in the beginning and 713.0 MB in the end (delta: 394.3 MB). Free memory was 277.1 MB in the beginning and 522.4 MB in the end (delta: -245.3 MB). Peak memory consumption was 149.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 991 SDtfs, 1257 SDslu, 3113 SDs, 0 SdLazy, 385 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9847occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 52608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...