/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-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 00:00:37,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 00:00:37,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 00:00:37,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 00:00:37,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 00:00:37,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 00:00:37,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 00:00:37,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 00:00:37,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 00:00:37,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 00:00:37,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 00:00:37,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 00:00:37,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 00:00:37,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 00:00:37,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 00:00:37,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 00:00:37,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 00:00:37,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 00:00:37,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 00:00:37,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 00:00:37,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 00:00:37,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 00:00:37,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 00:00:37,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 00:00:37,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 00:00:37,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 00:00:37,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 00:00:37,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 00:00:37,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 00:00:37,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 00:00:37,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 00:00:37,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 00:00:37,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 00:00:37,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 00:00:37,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 00:00:37,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 00:00:37,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 00:00:37,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 00:00:37,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 00:00:37,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 00:00:37,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 00:00:37,902 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-keepdead.epf [2020-12-18 00:00:37,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 00:00:37,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 00:00:37,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 00:00:37,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 00:00:37,958 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 00:00:37,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 00:00:37,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 00:00:37,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 00:00:37,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 00:00:37,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 00:00:37,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 00:00:37,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 00:00:37,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 00:00:37,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 00:00:37,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 00:00:37,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 00:00:37,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 00:00:37,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 00:00:37,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 00:00:37,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 00:00:37,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 00:00:37,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:00:37,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 00:00:37,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 00:00:37,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 00:00:37,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 00:00:37,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 00:00:37,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 00:00:37,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 00:00:37,964 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-18 00:00:37,965 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 00:00:37,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 00:00:38,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 00:00:38,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 00:00:38,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 00:00:38,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 00:00:38,465 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 00:00:38,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2020-12-18 00:00:38,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be273b1cd/beddf87ed16b4b30a73bf3f0e74d8299/FLAG8478046aa [2020-12-18 00:00:39,235 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 00:00:39,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2020-12-18 00:00:39,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be273b1cd/beddf87ed16b4b30a73bf3f0e74d8299/FLAG8478046aa [2020-12-18 00:00:39,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be273b1cd/beddf87ed16b4b30a73bf3f0e74d8299 [2020-12-18 00:00:39,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 00:00:39,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 00:00:39,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 00:00:39,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 00:00:39,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 00:00:39,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:00:39" (1/1) ... [2020-12-18 00:00:39,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd5ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:39, skipping insertion in model container [2020-12-18 00:00:39,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:00:39" (1/1) ... [2020-12-18 00:00:39,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 00:00:39,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 00:00:40,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:00:40,152 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 00:00:40,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:00:40,358 INFO L208 MainTranslator]: Completed translation [2020-12-18 00:00:40,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40 WrapperNode [2020-12-18 00:00:40,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 00:00:40,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 00:00:40,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 00:00:40,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 00:00:40,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 00:00:40,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 00:00:40,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 00:00:40,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 00:00:40,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... [2020-12-18 00:00:40,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 00:00:40,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 00:00:40,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 00:00:40,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 00:00:40,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:00:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 00:00:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 00:00:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 00:00:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 00:00:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-18 00:00:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-18 00:00:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-18 00:00:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-18 00:00:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-18 00:00:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-18 00:00:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 00:00:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 00:00:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 00:00:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 00:00:40,532 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 00:00:40,961 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 00:00:40,962 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-18 00:00:40,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:00:40 BoogieIcfgContainer [2020-12-18 00:00:40,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 00:00:40,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 00:00:40,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 00:00:40,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 00:00:40,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:00:39" (1/3) ... [2020-12-18 00:00:40,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b9ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:00:40, skipping insertion in model container [2020-12-18 00:00:40,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:00:40" (2/3) ... [2020-12-18 00:00:40,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b9ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:00:40, skipping insertion in model container [2020-12-18 00:00:40,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:00:40" (3/3) ... [2020-12-18 00:00:40,974 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.oepc.i [2020-12-18 00:00:40,990 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 00:00:40,990 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 00:00:40,994 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 00:00:40,995 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 00:00:41,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,049 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,049 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:00:41,052 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 00:00:41,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 00:00:41,089 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 00:00:41,089 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 00:00:41,090 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 00:00:41,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 00:00:41,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 00:00:41,090 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 00:00:41,090 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 00:00:41,090 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 00:00:41,104 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow [2020-12-18 00:00:42,109 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) [2020-12-18 00:00:42,163 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) [2020-12-18 00:00:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-18 00:00:42,212 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:42,213 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] [2020-12-18 00:00:42,214 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:42,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1725749416, now seen corresponding path program 1 times [2020-12-18 00:00:42,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:42,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859175733] [2020-12-18 00:00:42,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:42,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859175733] [2020-12-18 00:00:42,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:42,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:42,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771488295] [2020-12-18 00:00:42,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:42,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:42,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:42,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:42,853 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) [2020-12-18 00:00:43,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:43,374 INFO L93 Difference]: Finished difference Result 13459 states and 47001 transitions. [2020-12-18 00:00:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:00:43,377 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 [2020-12-18 00:00:43,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:43,380 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:00:43,380 INFO L78 Accepts]: Start accepts. Automaton has 13459 states and 47001 transitions. Word has length 41 [2020-12-18 00:00:43,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:43,382 INFO L481 AbstractCegarLoop]: Abstraction has 13459 states and 47001 transitions. [2020-12-18 00:00:43,383 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) [2020-12-18 00:00:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 13459 states and 47001 transitions. [2020-12-18 00:00:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-18 00:00:43,406 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:43,406 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] [2020-12-18 00:00:43,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 00:00:43,407 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:43,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:43,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1909768869, now seen corresponding path program 1 times [2020-12-18 00:00:43,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:43,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201619376] [2020-12-18 00:00:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:43,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201619376] [2020-12-18 00:00:43,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:43,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:43,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358837761] [2020-12-18 00:00:43,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:43,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:43,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:43,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:43,692 INFO L87 Difference]: Start difference. First operand 13459 states and 47001 transitions. 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) [2020-12-18 00:00:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:44,277 INFO L93 Difference]: Finished difference Result 25079 states and 86417 transitions. [2020-12-18 00:00:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:00:44,278 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 [2020-12-18 00:00:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:44,279 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:00:44,279 INFO L78 Accepts]: Start accepts. Automaton has 25079 states and 86417 transitions. Word has length 43 [2020-12-18 00:00:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:44,280 INFO L481 AbstractCegarLoop]: Abstraction has 25079 states and 86417 transitions. [2020-12-18 00:00:44,280 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) [2020-12-18 00:00:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 25079 states and 86417 transitions. [2020-12-18 00:00:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-18 00:00:44,311 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:44,311 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] [2020-12-18 00:00:44,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 00:00:44,312 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:44,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:44,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1966288231, now seen corresponding path program 1 times [2020-12-18 00:00:44,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:44,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624951196] [2020-12-18 00:00:44,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:44,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624951196] [2020-12-18 00:00:44,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:44,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:44,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007142756] [2020-12-18 00:00:44,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:44,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:44,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:44,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:44,553 INFO L87 Difference]: Start difference. First operand 25079 states and 86417 transitions. 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) [2020-12-18 00:00:45,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:45,086 INFO L93 Difference]: Finished difference Result 30623 states and 104847 transitions. [2020-12-18 00:00:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:00:45,093 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 [2020-12-18 00:00:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:45,094 INFO L763 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 [2020-12-18 00:00:45,094 INFO L78 Accepts]: Start accepts. Automaton has 30623 states and 104847 transitions. Word has length 43 [2020-12-18 00:00:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:45,094 INFO L481 AbstractCegarLoop]: Abstraction has 30623 states and 104847 transitions. [2020-12-18 00:00:45,095 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) [2020-12-18 00:00:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 30623 states and 104847 transitions. [2020-12-18 00:00:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-18 00:00:45,139 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:45,139 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] [2020-12-18 00:00:45,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-18 00:00:45,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:45,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:45,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1990619176, now seen corresponding path program 1 times [2020-12-18 00:00:45,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:45,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384856101] [2020-12-18 00:00:45,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:45,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384856101] [2020-12-18 00:00:45,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:45,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:45,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641469163] [2020-12-18 00:00:45,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:45,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:45,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:45,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:45,399 INFO L87 Difference]: Start difference. First operand 30623 states and 104847 transitions. 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) [2020-12-18 00:00:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:46,026 INFO L93 Difference]: Finished difference Result 51731 states and 176059 transitions. [2020-12-18 00:00:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:00:46,026 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 [2020-12-18 00:00:46,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:46,027 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:00:46,027 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 176059 transitions. Word has length 46 [2020-12-18 00:00:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:46,028 INFO L481 AbstractCegarLoop]: Abstraction has 51731 states and 176059 transitions. [2020-12-18 00:00:46,028 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) [2020-12-18 00:00:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 176059 transitions. [2020-12-18 00:00:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-18 00:00:46,176 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:46,176 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] [2020-12-18 00:00:46,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-18 00:00:46,177 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:46,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:46,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1452854260, now seen corresponding path program 1 times [2020-12-18 00:00:46,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:46,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503150680] [2020-12-18 00:00:46,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:46,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503150680] [2020-12-18 00:00:46,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:46,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:00:46,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312168190] [2020-12-18 00:00:46,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:00:46,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:46,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:00:46,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:00:46,281 INFO L87 Difference]: Start difference. First operand 51731 states and 176059 transitions. 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) [2020-12-18 00:00:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:47,035 INFO L93 Difference]: Finished difference Result 63379 states and 214795 transitions. [2020-12-18 00:00:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-18 00:00:47,047 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 [2020-12-18 00:00:47,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:47,048 INFO L763 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 [2020-12-18 00:00:47,048 INFO L78 Accepts]: Start accepts. Automaton has 63379 states and 214795 transitions. Word has length 47 [2020-12-18 00:00:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:47,048 INFO L481 AbstractCegarLoop]: Abstraction has 63379 states and 214795 transitions. [2020-12-18 00:00:47,049 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) [2020-12-18 00:00:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 63379 states and 214795 transitions. [2020-12-18 00:00:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-18 00:00:47,171 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:47,171 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] [2020-12-18 00:00:47,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-18 00:00:47,172 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:47,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1988271790, now seen corresponding path program 2 times [2020-12-18 00:00:47,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:47,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450197756] [2020-12-18 00:00:47,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:47,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450197756] [2020-12-18 00:00:47,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:47,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:47,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652943681] [2020-12-18 00:00:47,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:47,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:47,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:47,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:47,283 INFO L87 Difference]: Start difference. First operand 63379 states and 214795 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:00:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:48,179 INFO L93 Difference]: Finished difference Result 106731 states and 356841 transitions. [2020-12-18 00:00:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:00:48,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2020-12-18 00:00:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:48,180 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:00:48,180 INFO L78 Accepts]: Start accepts. Automaton has 106731 states and 356841 transitions. Word has length 47 [2020-12-18 00:00:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:48,181 INFO L481 AbstractCegarLoop]: Abstraction has 106731 states and 356841 transitions. [2020-12-18 00:00:48,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:00:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 106731 states and 356841 transitions. [2020-12-18 00:00:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-18 00:00:48,530 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:48,530 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] [2020-12-18 00:00:48,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-18 00:00:48,530 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:48,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:48,531 INFO L82 PathProgramCache]: Analyzing trace with hash 659614723, now seen corresponding path program 1 times [2020-12-18 00:00:48,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:48,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901142377] [2020-12-18 00:00:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:48,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901142377] [2020-12-18 00:00:48,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:48,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:00:48,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845919476] [2020-12-18 00:00:48,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:00:48,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:48,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:00:48,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:00:48,734 INFO L87 Difference]: Start difference. First operand 106731 states and 356841 transitions. 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) [2020-12-18 00:00:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:49,370 INFO L93 Difference]: Finished difference Result 62745 states and 204428 transitions. [2020-12-18 00:00:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-18 00:00:49,371 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 [2020-12-18 00:00:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:49,372 INFO L763 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 [2020-12-18 00:00:49,373 INFO L78 Accepts]: Start accepts. Automaton has 62745 states and 204428 transitions. Word has length 48 [2020-12-18 00:00:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:49,374 INFO L481 AbstractCegarLoop]: Abstraction has 62745 states and 204428 transitions. [2020-12-18 00:00:49,374 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) [2020-12-18 00:00:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62745 states and 204428 transitions. [2020-12-18 00:00:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-18 00:00:49,442 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:49,442 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] [2020-12-18 00:00:49,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-18 00:00:49,443 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:49,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1879681106, now seen corresponding path program 1 times [2020-12-18 00:00:49,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:49,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432521803] [2020-12-18 00:00:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:49,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432521803] [2020-12-18 00:00:49,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:49,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:00:49,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712685564] [2020-12-18 00:00:49,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:00:49,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:49,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:00:49,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:00:49,657 INFO L87 Difference]: Start difference. First operand 62745 states and 204428 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:00:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:50,316 INFO L93 Difference]: Finished difference Result 30189 states and 95844 transitions. [2020-12-18 00:00:50,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:00:50,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-12-18 00:00:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:50,318 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:00:50,318 INFO L78 Accepts]: Start accepts. Automaton has 30189 states and 95844 transitions. Word has length 49 [2020-12-18 00:00:50,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:50,319 INFO L481 AbstractCegarLoop]: Abstraction has 30189 states and 95844 transitions. [2020-12-18 00:00:50,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:00:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 30189 states and 95844 transitions. [2020-12-18 00:00:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-18 00:00:50,361 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:50,361 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] [2020-12-18 00:00:50,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-18 00:00:50,362 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:50,364 INFO L82 PathProgramCache]: Analyzing trace with hash -793050483, now seen corresponding path program 1 times [2020-12-18 00:00:50,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:50,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608662680] [2020-12-18 00:00:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:50,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608662680] [2020-12-18 00:00:50,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:50,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-18 00:00:50,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071309313] [2020-12-18 00:00:50,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-18 00:00:50,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:50,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-18 00:00:50,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-18 00:00:50,579 INFO L87 Difference]: Start difference. First operand 30189 states and 95844 transitions. 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) [2020-12-18 00:00:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:50,975 INFO L93 Difference]: Finished difference Result 17562 states and 55518 transitions. [2020-12-18 00:00:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-18 00:00:50,975 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 [2020-12-18 00:00:50,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:50,976 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-12-18 00:00:50,976 INFO L78 Accepts]: Start accepts. Automaton has 17562 states and 55518 transitions. Word has length 51 [2020-12-18 00:00:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:50,977 INFO L481 AbstractCegarLoop]: Abstraction has 17562 states and 55518 transitions. [2020-12-18 00:00:50,977 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) [2020-12-18 00:00:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 17562 states and 55518 transitions. [2020-12-18 00:00:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-18 00:00:51,010 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:00:51,010 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] [2020-12-18 00:00:51,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-18 00:00:51,010 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:00:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:00:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1746000022, now seen corresponding path program 1 times [2020-12-18 00:00:51,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:00:51,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777637214] [2020-12-18 00:00:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:00:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:00:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:00:51,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777637214] [2020-12-18 00:00:51,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:00:51,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-18 00:00:51,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340614049] [2020-12-18 00:00:51,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-18 00:00:51,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:00:51,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-18 00:00:51,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-18 00:00:51,133 INFO L87 Difference]: Start difference. First operand 17562 states and 55518 transitions. 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) [2020-12-18 00:00:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:00:51,453 INFO L93 Difference]: Finished difference Result 25774 states and 80874 transitions. [2020-12-18 00:00:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-18 00:00:51,454 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 [2020-12-18 00:00:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:00:51,454 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-12-18 00:00:51,454 INFO L78 Accepts]: Start accepts. Automaton has 25774 states and 80874 transitions. Word has length 53 [2020-12-18 00:00:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:00:51,455 INFO L481 AbstractCegarLoop]: Abstraction has 25774 states and 80874 transitions. [2020-12-18 00:00:51,455 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) [2020-12-18 00:00:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 25774 states and 80874 transitions. [2020-12-18 00:00:51,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-18 00:00:51,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-18 00:00:51,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 12:00:51 BasicIcfg [2020-12-18 00:00:51,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-18 00:00:51,501 INFO L168 Benchmark]: Toolchain (without parser) took 11963.81 ms. Allocated memory was 306.2 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 280.1 MB in the beginning and 7.9 GB in the end (delta: -7.6 GB). Peak memory consumption was 904.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,502 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 306.2 MB. Free memory was 277.0 MB in the beginning and 276.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 00:00:51,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.49 ms. Allocated memory is still 306.2 MB. Free memory was 279.9 MB in the beginning and 280.6 MB in the end (delta: -655.1 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.08 ms. Allocated memory is still 306.2 MB. Free memory was 280.6 MB in the beginning and 278.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,504 INFO L168 Benchmark]: Boogie Preprocessor took 28.85 ms. Allocated memory is still 306.2 MB. Free memory was 278.5 MB in the beginning and 277.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,505 INFO L168 Benchmark]: RCFGBuilder took 526.07 ms. Allocated memory is still 306.2 MB. Free memory was 277.4 MB in the beginning and 254.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,506 INFO L168 Benchmark]: TraceAbstraction took 10533.40 ms. Allocated memory was 306.2 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 254.3 MB in the beginning and 7.9 GB in the end (delta: -7.7 GB). Peak memory consumption was 878.3 MB. Max. memory is 16.0 GB. [2020-12-18 00:00:51,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 306.2 MB. Free memory was 277.0 MB in the beginning and 276.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 816.49 ms. Allocated memory is still 306.2 MB. Free memory was 279.9 MB in the beginning and 280.6 MB in the end (delta: -655.1 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.08 ms. Allocated memory is still 306.2 MB. Free memory was 280.6 MB in the beginning and 278.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.85 ms. Allocated memory is still 306.2 MB. Free memory was 278.5 MB in the beginning and 277.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 526.07 ms. Allocated memory is still 306.2 MB. Free memory was 277.4 MB in the beginning and 254.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10533.40 ms. Allocated memory was 306.2 MB in the beginning and 8.9 GB in the end (delta: 8.5 GB). Free memory was 254.3 MB in the beginning and 7.9 GB in the end (delta: -7.7 GB). Peak memory consumption was 878.3 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: 10.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 1268 SDtfs, 1931 SDslu, 4203 SDs, 0 SdLazy, 490 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106731occurred in iteration=6, 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, 0.4s SatisfiabilityAnalysisTime, 1.5s 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...