./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80fe3a5c509b1b4e159a1c73a4d5fbc1878eb763 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-05 20:46:17,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-05 20:46:17,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-05 20:46:17,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-05 20:46:17,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-05 20:46:17,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-05 20:46:17,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-05 20:46:17,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-05 20:46:17,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-05 20:46:17,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-05 20:46:17,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-05 20:46:17,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-05 20:46:17,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-05 20:46:17,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-05 20:46:17,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-05 20:46:17,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-05 20:46:17,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-05 20:46:17,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-05 20:46:17,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-05 20:46:17,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-05 20:46:17,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-05 20:46:17,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-05 20:46:17,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-05 20:46:17,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-05 20:46:17,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-05 20:46:17,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-05 20:46:17,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-05 20:46:17,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-05 20:46:17,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-05 20:46:17,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-05 20:46:17,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-05 20:46:17,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-05 20:46:17,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-05 20:46:17,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-05 20:46:17,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-05 20:46:17,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-05 20:46:17,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-05 20:46:17,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-05 20:46:17,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-05 20:46:17,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-05 20:46:17,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-05 20:46:17,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-05 20:46:17,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-05 20:46:17,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-05 20:46:17,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-05 20:46:17,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-05 20:46:17,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-05 20:46:17,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-05 20:46:17,286 INFO L138 SettingsManager]: * Use SBE=true [2021-10-05 20:46:17,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-05 20:46:17,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-05 20:46:17,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-05 20:46:17,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-05 20:46:17,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-05 20:46:17,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-05 20:46:17,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-05 20:46:17,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-05 20:46:17,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-05 20:46:17,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-05 20:46:17,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-05 20:46:17,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-05 20:46:17,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-05 20:46:17,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-05 20:46:17,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-05 20:46:17,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 20:46:17,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-05 20:46:17,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-05 20:46:17,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-05 20:46:17,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-05 20:46:17,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-05 20:46:17,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-05 20:46:17,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-05 20:46:17,294 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80fe3a5c509b1b4e159a1c73a4d5fbc1878eb763 [2021-10-05 20:46:17,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-05 20:46:17,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-05 20:46:17,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-05 20:46:17,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-05 20:46:17,783 INFO L275 PluginConnector]: CDTParser initialized [2021-10-05 20:46:17,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c [2021-10-05 20:46:17,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727359371/1ad72db392f047d3af69e7e2ab9540e6/FLAG9bf839bf2 [2021-10-05 20:46:18,403 INFO L306 CDTParser]: Found 1 translation units. [2021-10-05 20:46:18,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c [2021-10-05 20:46:18,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727359371/1ad72db392f047d3af69e7e2ab9540e6/FLAG9bf839bf2 [2021-10-05 20:46:18,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727359371/1ad72db392f047d3af69e7e2ab9540e6 [2021-10-05 20:46:18,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-05 20:46:18,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-05 20:46:18,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-05 20:46:18,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-05 20:46:18,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-05 20:46:18,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 08:46:18" (1/1) ... [2021-10-05 20:46:18,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee4ccf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:18, skipping insertion in model container [2021-10-05 20:46:18,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 08:46:18" (1/1) ... [2021-10-05 20:46:18,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-05 20:46:18,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-05 20:46:18,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c[2915,2928] [2021-10-05 20:46:19,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 20:46:19,014 INFO L203 MainTranslator]: Completed pre-run [2021-10-05 20:46:19,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/file-item-subst.wvr.c[2915,2928] [2021-10-05 20:46:19,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 20:46:19,065 INFO L208 MainTranslator]: Completed translation [2021-10-05 20:46:19,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19 WrapperNode [2021-10-05 20:46:19,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-05 20:46:19,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-05 20:46:19,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-05 20:46:19,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-05 20:46:19,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-05 20:46:19,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-05 20:46:19,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-05 20:46:19,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-05 20:46:19,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-05 20:46:19,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-05 20:46:19,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-05 20:46:19,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-05 20:46:19,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (1/1) ... [2021-10-05 20:46:19,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 20:46:19,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-05 20:46:19,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-05 20:46:19,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-05 20:46:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-05 20:46:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-05 20:46:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-05 20:46:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-05 20:46:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-05 20:46:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-05 20:46:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-05 20:46:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-05 20:46:19,300 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-05 20:46:19,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-05 20:46:19,777 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-05 20:46:19,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:46:19 BoogieIcfgContainer [2021-10-05 20:46:19,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-05 20:46:19,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-05 20:46:19,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-05 20:46:19,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-05 20:46:19,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 08:46:18" (1/3) ... [2021-10-05 20:46:19,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5dfedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 08:46:19, skipping insertion in model container [2021-10-05 20:46:19,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 08:46:19" (2/3) ... [2021-10-05 20:46:19,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5dfedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 08:46:19, skipping insertion in model container [2021-10-05 20:46:19,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:46:19" (3/3) ... [2021-10-05 20:46:19,793 INFO L111 eAbstractionObserver]: Analyzing ICFG file-item-subst.wvr.c [2021-10-05 20:46:19,804 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-05 20:46:19,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-05 20:46:19,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-05 20:46:19,805 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-05 20:46:19,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,865 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,866 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,867 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,867 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,867 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,867 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,868 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,868 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,868 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,869 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,869 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,869 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,870 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,871 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,872 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,874 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,874 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,874 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,874 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,876 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,876 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,876 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,876 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,877 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,878 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,879 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,880 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,891 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,892 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,892 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,892 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,893 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,893 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,893 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,893 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,894 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,894 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,897 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,897 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,897 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,897 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,898 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,898 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,898 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,898 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,899 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,900 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,901 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,902 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,904 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,904 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,905 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,905 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,906 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,907 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,907 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,908 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,908 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,909 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,909 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,910 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,910 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,911 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,911 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,911 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,911 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,912 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,912 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,912 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,913 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,913 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,913 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,913 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,914 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,914 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,914 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,914 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,917 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,917 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,918 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,918 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,918 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,918 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,920 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,920 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,920 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,920 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,927 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,928 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,928 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,928 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 20:46:19,949 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-05 20:46:20,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-05 20:46:20,018 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-05 20:46:20,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-05 20:46:20,037 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-05 20:46:20,049 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 191 transitions, 406 flow [2021-10-05 20:46:20,052 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 191 transitions, 406 flow [2021-10-05 20:46:20,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 191 transitions, 406 flow [2021-10-05 20:46:20,172 INFO L129 PetriNetUnfolder]: 20/188 cut-off events. [2021-10-05 20:46:20,173 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-05 20:46:20,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 188 events. 20/188 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 368 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 127. Up to 2 conditions per place. [2021-10-05 20:46:20,190 INFO L116 LiptonReduction]: Number of co-enabled transitions 8448 [2021-10-05 20:46:28,382 INFO L131 LiptonReduction]: Checked pairs total: 7948 [2021-10-05 20:46:28,382 INFO L133 LiptonReduction]: Total number of compositions: 221 [2021-10-05 20:46:28,392 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2021-10-05 20:46:28,404 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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) [2021-10-05 20:46:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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) [2021-10-05 20:46:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:28,414 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:28,415 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:28,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:28,429 INFO L82 PathProgramCache]: Analyzing trace with hash 361353796, now seen corresponding path program 1 times [2021-10-05 20:46:28,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:28,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716395666] [2021-10-05 20:46:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:28,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:30,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:30,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716395666] [2021-10-05 20:46:30,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716395666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:30,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:30,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:30,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972115931] [2021-10-05 20:46:30,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:30,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:30,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:30,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:30,359 INFO L87 Difference]: Start difference. First operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:31,532 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2021-10-05 20:46:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:31,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:31,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:31,543 INFO L225 Difference]: With dead ends: 61 [2021-10-05 20:46:31,543 INFO L226 Difference]: Without dead ends: 52 [2021-10-05 20:46:31,544 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1321.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 20:46:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-05 20:46:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-05 20:46:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.813953488372093) internal successors, (78), 43 states have internal predecessors, (78), 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) [2021-10-05 20:46:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2021-10-05 20:46:31,579 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 16 [2021-10-05 20:46:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:31,580 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2021-10-05 20:46:31,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2021-10-05 20:46:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:31,582 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:31,582 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:31,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-05 20:46:31,583 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:31,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:31,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1139264660, now seen corresponding path program 2 times [2021-10-05 20:46:31,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:31,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643020731] [2021-10-05 20:46:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:31,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:32,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:32,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643020731] [2021-10-05 20:46:32,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643020731] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:32,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:32,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:32,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558737690] [2021-10-05 20:46:32,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:32,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:32,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:32,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:32,333 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:33,142 INFO L93 Difference]: Finished difference Result 63 states and 98 transitions. [2021-10-05 20:46:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:33,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:33,144 INFO L225 Difference]: With dead ends: 63 [2021-10-05 20:46:33,144 INFO L226 Difference]: Without dead ends: 50 [2021-10-05 20:46:33,145 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 939.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:46:33,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-05 20:46:33,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2021-10-05 20:46:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 41 states have internal predecessors, (73), 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) [2021-10-05 20:46:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 73 transitions. [2021-10-05 20:46:33,152 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 73 transitions. Word has length 16 [2021-10-05 20:46:33,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:33,153 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 73 transitions. [2021-10-05 20:46:33,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-10-05 20:46:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:33,154 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:33,154 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:33,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-05 20:46:33,155 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:33,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1106056294, now seen corresponding path program 3 times [2021-10-05 20:46:33,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:33,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851971728] [2021-10-05 20:46:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:33,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:34,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:34,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851971728] [2021-10-05 20:46:34,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851971728] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:34,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:34,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:34,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823077771] [2021-10-05 20:46:34,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:34,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:34,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:34,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:34,747 INFO L87 Difference]: Start difference. First operand 42 states and 73 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:36,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:36,554 INFO L93 Difference]: Finished difference Result 57 states and 86 transitions. [2021-10-05 20:46:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:36,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:36,556 INFO L225 Difference]: With dead ends: 57 [2021-10-05 20:46:36,556 INFO L226 Difference]: Without dead ends: 48 [2021-10-05 20:46:36,557 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2033.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 20:46:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-05 20:46:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-10-05 20:46:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 39 states have internal predecessors, (68), 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) [2021-10-05 20:46:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 68 transitions. [2021-10-05 20:46:36,563 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 68 transitions. Word has length 16 [2021-10-05 20:46:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:36,563 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 68 transitions. [2021-10-05 20:46:36,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-10-05 20:46:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:36,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:36,565 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:36,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-05 20:46:36,566 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:36,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:36,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1146379552, now seen corresponding path program 4 times [2021-10-05 20:46:36,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:36,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164590789] [2021-10-05 20:46:36,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:36,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:37,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:37,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164590789] [2021-10-05 20:46:37,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164590789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:37,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:37,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:37,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056699175] [2021-10-05 20:46:37,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:37,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:37,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:37,266 INFO L87 Difference]: Start difference. First operand 40 states and 68 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:37,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:37,650 INFO L93 Difference]: Finished difference Result 55 states and 87 transitions. [2021-10-05 20:46:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:37,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:37,651 INFO L225 Difference]: With dead ends: 55 [2021-10-05 20:46:37,651 INFO L226 Difference]: Without dead ends: 36 [2021-10-05 20:46:37,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 630.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:46:37,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-05 20:46:37,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-05 20:46:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.6285714285714286) internal successors, (57), 35 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 20:46:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2021-10-05 20:46:37,656 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 16 [2021-10-05 20:46:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:37,656 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 57 transitions. [2021-10-05 20:46:37,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2021-10-05 20:46:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:37,657 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:37,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:37,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-05 20:46:37,658 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:37,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2045087142, now seen corresponding path program 5 times [2021-10-05 20:46:37,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:37,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039347918] [2021-10-05 20:46:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:37,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:38,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:38,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039347918] [2021-10-05 20:46:38,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039347918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:38,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:38,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:38,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78929445] [2021-10-05 20:46:38,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:38,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:38,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:38,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:38,355 INFO L87 Difference]: Start difference. First operand 36 states and 57 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:38,743 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2021-10-05 20:46:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:38,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:38,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:38,745 INFO L225 Difference]: With dead ends: 43 [2021-10-05 20:46:38,745 INFO L226 Difference]: Without dead ends: 32 [2021-10-05 20:46:38,746 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 531.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:46:38,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-05 20:46:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-05 20:46:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 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) [2021-10-05 20:46:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2021-10-05 20:46:38,750 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 46 transitions. Word has length 16 [2021-10-05 20:46:38,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:38,750 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 46 transitions. [2021-10-05 20:46:38,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-05 20:46:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 20:46:38,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 20:46:38,751 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 20:46:38,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-05 20:46:38,752 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 20:46:38,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 20:46:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1871847672, now seen corresponding path program 6 times [2021-10-05 20:46:38,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 20:46:38,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585269074] [2021-10-05 20:46:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 20:46:38,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 20:46:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 20:46:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 20:46:39,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 20:46:39,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585269074] [2021-10-05 20:46:39,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585269074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 20:46:39,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 20:46:39,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 20:46:39,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900502575] [2021-10-05 20:46:39,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 20:46:39,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 20:46:39,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 20:46:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 20:46:39,621 INFO L87 Difference]: Start difference. First operand 32 states and 46 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 20:46:39,961 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2021-10-05 20:46:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 20:46:39,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-10-05 20:46:39,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 20:46:39,962 INFO L225 Difference]: With dead ends: 31 [2021-10-05 20:46:39,962 INFO L226 Difference]: Without dead ends: 0 [2021-10-05 20:46:39,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 477.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 20:46:39,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-05 20:46:39,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-05 20:46:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 20:46:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-05 20:46:39,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-05 20:46:39,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 20:46:39,964 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-05 20:46:39,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-10-05 20:46:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-05 20:46:39,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-05 20:46:39,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-05 20:46:39,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-05 20:46:39,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-05 20:46:39,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-05 20:46:39,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-05 20:46:39,973 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-05 20:46:39,973 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-05 20:46:39,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 08:46:39 BasicIcfg [2021-10-05 20:46:39,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-05 20:46:39,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-05 20:46:39,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-05 20:46:39,977 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-05 20:46:39,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 08:46:19" (3/4) ... [2021-10-05 20:46:39,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-05 20:46:39,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-05 20:46:39,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-05 20:46:39,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-05 20:46:39,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-05 20:46:39,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-05 20:46:39,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-05 20:46:39,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-05 20:46:40,043 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-05 20:46:40,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-05 20:46:40,045 INFO L168 Benchmark]: Toolchain (without parser) took 21265.62 ms. Allocated memory was 50.3 MB in the beginning and 172.0 MB in the end (delta: 121.6 MB). Free memory was 26.0 MB in the beginning and 106.1 MB in the end (delta: -80.2 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,046 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 28.9 MB in the beginning and 28.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 20:46:40,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.14 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.7 MB in the beginning and 40.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.21 ms. Allocated memory is still 65.0 MB. Free memory was 40.9 MB in the beginning and 39.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,048 INFO L168 Benchmark]: Boogie Preprocessor took 62.28 ms. Allocated memory is still 65.0 MB. Free memory was 39.3 MB in the beginning and 37.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 20:46:40,049 INFO L168 Benchmark]: RCFGBuilder took 598.81 ms. Allocated memory is still 65.0 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: -14.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,049 INFO L168 Benchmark]: TraceAbstraction took 20191.47 ms. Allocated memory was 65.0 MB in the beginning and 172.0 MB in the end (delta: 107.0 MB). Free memory was 37.4 MB in the beginning and 110.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,050 INFO L168 Benchmark]: Witness Printer took 67.09 ms. Allocated memory is still 172.0 MB. Free memory was 110.3 MB in the beginning and 106.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-05 20:46:40,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 28.9 MB in the beginning and 28.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.14 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 25.7 MB in the beginning and 40.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.21 ms. Allocated memory is still 65.0 MB. Free memory was 40.9 MB in the beginning and 39.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.28 ms. Allocated memory is still 65.0 MB. Free memory was 39.3 MB in the beginning and 37.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 598.81 ms. Allocated memory is still 65.0 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: -14.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20191.47 ms. Allocated memory was 65.0 MB in the beginning and 172.0 MB in the end (delta: 107.0 MB). Free memory was 37.4 MB in the beginning and 110.3 MB in the end (delta: -72.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * Witness Printer took 67.09 ms. Allocated memory is still 172.0 MB. Free memory was 110.3 MB in the beginning and 106.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8330.1ms, 181 PlacesBefore, 30 PlacesAfterwards, 191 TransitionsBefore, 20 TransitionsAfterwards, 8448 CoEnabledTransitionPairs, 6 FixpointIterations, 66 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 44 ConcurrentYvCompositions, 20 ChoiceCompositions, 221 TotalNumberOfCompositions, 7948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7948, positive: 7948, positive conditional: 0, positive unconditional: 7948, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6498, positive: 6498, positive conditional: 0, positive unconditional: 6498, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6498, positive: 6498, positive conditional: 0, positive unconditional: 6498, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7948, positive: 1450, positive conditional: 0, positive unconditional: 1450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6498, unknown conditional: 0, unknown unconditional: 6498] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 256 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19964.4ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 14.1ms, AutomataDifference: 4947.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8386.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 150 SDtfs, 206 SDslu, 211 SDs, 0 SdLazy, 95 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 240.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5933.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 42.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.4ms SsaConstructionTime, 509.3ms SatisfiabilityAnalysisTime, 5787.9ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 5358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-05 20:46:40,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...