./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/file-item-trans.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-trans.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 051fbf78f30ba094b85f5d8aec1a43c9ba011df1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-04 18:29:26,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-04 18:29:26,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-04 18:29:26,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-04 18:29:26,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-04 18:29:26,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-04 18:29:26,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-04 18:29:26,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-04 18:29:26,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-04 18:29:26,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-04 18:29:26,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-04 18:29:26,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-04 18:29:26,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-04 18:29:26,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-04 18:29:26,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-04 18:29:26,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-04 18:29:26,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-04 18:29:26,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-04 18:29:26,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-04 18:29:26,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-04 18:29:26,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-04 18:29:26,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-04 18:29:26,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-04 18:29:26,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-04 18:29:26,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-04 18:29:26,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-04 18:29:26,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-04 18:29:26,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-04 18:29:26,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-04 18:29:26,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-04 18:29:26,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-04 18:29:26,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-04 18:29:26,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-04 18:29:26,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-04 18:29:26,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-04 18:29:26,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-04 18:29:26,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-04 18:29:26,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-04 18:29:26,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-04 18:29:26,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-04 18:29:26,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-04 18:29:26,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-04 18:29:26,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-04 18:29:26,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-04 18:29:26,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-04 18:29:26,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-04 18:29:26,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-04 18:29:26,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-04 18:29:26,302 INFO L138 SettingsManager]: * Use SBE=true [2021-10-04 18:29:26,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-04 18:29:26,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-04 18:29:26,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-04 18:29:26,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-04 18:29:26,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-04 18:29:26,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-04 18:29:26,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-04 18:29:26,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-04 18:29:26,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-04 18:29:26,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-04 18:29:26,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-04 18:29:26,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-04 18:29:26,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-04 18:29:26,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-04 18:29:26,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-04 18:29:26,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-04 18:29:26,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-04 18:29:26,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-04 18:29:26,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-04 18:29:26,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-04 18:29:26,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-04 18:29:26,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-04 18:29:26,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-04 18:29:26,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051fbf78f30ba094b85f5d8aec1a43c9ba011df1 [2021-10-04 18:29:26,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-04 18:29:26,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-04 18:29:26,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-04 18:29:26,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-04 18:29:26,745 INFO L275 PluginConnector]: CDTParser initialized [2021-10-04 18:29:26,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/file-item-trans.wvr.c [2021-10-04 18:29:26,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9b06bd70/05a2d0dec7304c3db8bc558ffd0581a1/FLAG4f0db5b3c [2021-10-04 18:29:27,396 INFO L306 CDTParser]: Found 1 translation units. [2021-10-04 18:29:27,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/file-item-trans.wvr.c [2021-10-04 18:29:27,397 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-04 18:29:27,397 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2021-10-04 18:29:27,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9b06bd70/05a2d0dec7304c3db8bc558ffd0581a1/FLAG4f0db5b3c [2021-10-04 18:29:27,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9b06bd70/05a2d0dec7304c3db8bc558ffd0581a1 [2021-10-04 18:29:27,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-04 18:29:27,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-04 18:29:27,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-04 18:29:27,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-04 18:29:27,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-04 18:29:27,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 06:29:27" (1/1) ... [2021-10-04 18:29:27,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611f5b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:27, skipping insertion in model container [2021-10-04 18:29:27,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 06:29:27" (1/1) ... [2021-10-04 18:29:27,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-04 18:29:27,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-04 18:29:27,917 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-04 18:29:27,967 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-trans.wvr.c[1716,1729] [2021-10-04 18:29:27,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-04 18:29:27,989 INFO L203 MainTranslator]: Completed pre-run [2021-10-04 18:29:28,004 WARN L612 FunctionHandler]: implicit declaration of function assert [2021-10-04 18:29:28,050 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-trans.wvr.c[1716,1729] [2021-10-04 18:29:28,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-04 18:29:28,084 INFO L208 MainTranslator]: Completed translation [2021-10-04 18:29:28,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28 WrapperNode [2021-10-04 18:29:28,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-04 18:29:28,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-04 18:29:28,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-04 18:29:28,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-04 18:29:28,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-04 18:29:28,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-04 18:29:28,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-04 18:29:28,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-04 18:29:28,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-04 18:29:28,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-04 18:29:28,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-04 18:29:28,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-04 18:29:28,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (1/1) ... [2021-10-04 18:29:28,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-04 18:29:28,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-04 18:29:28,280 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) [2021-10-04 18:29:28,289 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 [2021-10-04 18:29:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-04 18:29:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-04 18:29:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-04 18:29:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-04 18:29:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-04 18:29:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-04 18:29:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-04 18:29:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-04 18:29:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-04 18:29:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-04 18:29:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-04 18:29:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-04 18:29:28,340 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-04 18:29:28,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-04 18:29:28,810 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-04 18:29:28,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 06:29:28 BoogieIcfgContainer [2021-10-04 18:29:28,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-04 18:29:28,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-04 18:29:28,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-04 18:29:28,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-04 18:29:28,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.10 06:29:27" (1/3) ... [2021-10-04 18:29:28,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2a32a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 06:29:28, skipping insertion in model container [2021-10-04 18:29:28,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 06:29:28" (2/3) ... [2021-10-04 18:29:28,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2a32a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 06:29:28, skipping insertion in model container [2021-10-04 18:29:28,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 06:29:28" (3/3) ... [2021-10-04 18:29:28,823 INFO L111 eAbstractionObserver]: Analyzing ICFG file-item-trans.wvr.c [2021-10-04 18:29:28,830 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-04 18:29:28,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-04 18:29:28,830 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-04 18:29:28,830 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-04 18:29:28,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,936 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,936 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,936 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,936 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,974 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,974 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,975 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,975 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,975 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,975 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,975 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,976 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,977 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,977 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,977 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,977 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,978 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,979 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,988 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,988 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,989 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,989 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,989 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,990 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,990 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,990 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:28,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,000 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,000 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,000 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,001 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,001 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,001 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,001 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-04 18:29:29,011 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-04 18:29:29,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-04 18:29:29,071 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 [2021-10-04 18:29:29,071 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-04 18:29:29,091 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-04 18:29:29,104 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 181 transitions, 386 flow [2021-10-04 18:29:29,108 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 181 transitions, 386 flow [2021-10-04 18:29:29,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 181 transitions, 386 flow [2021-10-04 18:29:29,212 INFO L129 PetriNetUnfolder]: 19/178 cut-off events. [2021-10-04 18:29:29,213 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-04 18:29:29,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 178 events. 19/178 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 369 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 123. Up to 2 conditions per place. [2021-10-04 18:29:29,235 INFO L116 LiptonReduction]: Number of co-enabled transitions 8448 [2021-10-04 18:29:36,457 INFO L131 LiptonReduction]: Checked pairs total: 8044 [2021-10-04 18:29:36,458 INFO L133 LiptonReduction]: Total number of compositions: 210 [2021-10-04 18:29:36,467 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2021-10-04 18:29:36,481 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) [2021-10-04 18:29:36,484 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) [2021-10-04 18:29:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:36,492 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:36,492 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:36,493 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:36,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:36,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1793349300, now seen corresponding path program 1 times [2021-10-04 18:29:36,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:36,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401568678] [2021-10-04 18:29:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:36,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:37,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:37,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401568678] [2021-10-04 18:29:37,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401568678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:37,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:37,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:37,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214773910] [2021-10-04 18:29:37,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:37,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:37,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:37,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:37,359 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) [2021-10-04 18:29:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:37,631 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2021-10-04 18:29:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-04 18:29:37,634 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 [2021-10-04 18:29:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:37,644 INFO L225 Difference]: With dead ends: 61 [2021-10-04 18:29:37,645 INFO L226 Difference]: Without dead ends: 52 [2021-10-04 18:29:37,647 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 293.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-04 18:29:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-04 18:29:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-04 18:29:37,687 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) [2021-10-04 18:29:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2021-10-04 18:29:37,690 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 16 [2021-10-04 18:29:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:37,691 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2021-10-04 18:29:37,692 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) [2021-10-04 18:29:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2021-10-04 18:29:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:37,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:37,693 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:37,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-04 18:29:37,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:37,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1012213000, now seen corresponding path program 2 times [2021-10-04 18:29:37,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:37,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148624545] [2021-10-04 18:29:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:37,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:38,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:38,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148624545] [2021-10-04 18:29:38,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148624545] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:38,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:38,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:38,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399717723] [2021-10-04 18:29:38,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:38,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:38,080 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) [2021-10-04 18:29:38,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:38,317 INFO L93 Difference]: Finished difference Result 63 states and 98 transitions. [2021-10-04 18:29:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-04 18:29:38,319 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 [2021-10-04 18:29:38,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:38,320 INFO L225 Difference]: With dead ends: 63 [2021-10-04 18:29:38,321 INFO L226 Difference]: Without dead ends: 50 [2021-10-04 18:29:38,322 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 248.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-04 18:29:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-04 18:29:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2021-10-04 18:29:38,328 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) [2021-10-04 18:29:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 73 transitions. [2021-10-04 18:29:38,329 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 73 transitions. Word has length 16 [2021-10-04 18:29:38,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:38,330 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 73 transitions. [2021-10-04 18:29:38,330 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) [2021-10-04 18:29:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-10-04 18:29:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:38,331 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:38,331 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:38,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-04 18:29:38,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:38,333 INFO L82 PathProgramCache]: Analyzing trace with hash -890677038, now seen corresponding path program 3 times [2021-10-04 18:29:38,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:38,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324987453] [2021-10-04 18:29:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:38,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:38,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:38,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324987453] [2021-10-04 18:29:38,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324987453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:38,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:38,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:38,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576860480] [2021-10-04 18:29:38,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:38,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:38,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:38,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:38,607 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) [2021-10-04 18:29:38,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:38,799 INFO L93 Difference]: Finished difference Result 57 states and 86 transitions. [2021-10-04 18:29:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-04 18:29:38,801 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 [2021-10-04 18:29:38,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:38,802 INFO L225 Difference]: With dead ends: 57 [2021-10-04 18:29:38,802 INFO L226 Difference]: Without dead ends: 48 [2021-10-04 18:29:38,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 212.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-04 18:29:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-04 18:29:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-10-04 18:29:38,812 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) [2021-10-04 18:29:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 68 transitions. [2021-10-04 18:29:38,816 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 68 transitions. Word has length 16 [2021-10-04 18:29:38,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:38,817 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 68 transitions. [2021-10-04 18:29:38,817 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) [2021-10-04 18:29:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-10-04 18:29:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:38,820 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:38,820 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:38,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-04 18:29:38,821 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:38,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:38,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1343430456, now seen corresponding path program 4 times [2021-10-04 18:29:38,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:38,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232355256] [2021-10-04 18:29:38,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:38,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:39,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:39,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232355256] [2021-10-04 18:29:39,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232355256] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:39,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:39,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:39,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752496524] [2021-10-04 18:29:39,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:39,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:39,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:39,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:39,067 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) [2021-10-04 18:29:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:39,280 INFO L93 Difference]: Finished difference Result 55 states and 87 transitions. [2021-10-04 18:29:39,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-04 18:29:39,281 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 [2021-10-04 18:29:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:39,282 INFO L225 Difference]: With dead ends: 55 [2021-10-04 18:29:39,282 INFO L226 Difference]: Without dead ends: 36 [2021-10-04 18:29:39,282 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 221.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-04 18:29:39,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-04 18:29:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-04 18:29:39,292 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) [2021-10-04 18:29:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2021-10-04 18:29:39,293 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 16 [2021-10-04 18:29:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:39,296 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 57 transitions. [2021-10-04 18:29:39,296 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) [2021-10-04 18:29:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2021-10-04 18:29:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:39,297 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:39,298 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:39,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-04 18:29:39,298 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:39,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash -474357422, now seen corresponding path program 5 times [2021-10-04 18:29:39,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:39,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667267522] [2021-10-04 18:29:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:39,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:39,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:39,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667267522] [2021-10-04 18:29:39,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667267522] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:39,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:39,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:39,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977640733] [2021-10-04 18:29:39,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:39,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:39,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:39,629 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) [2021-10-04 18:29:39,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:39,809 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2021-10-04 18:29:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-04 18:29:39,810 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 [2021-10-04 18:29:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:39,810 INFO L225 Difference]: With dead ends: 43 [2021-10-04 18:29:39,810 INFO L226 Difference]: Without dead ends: 32 [2021-10-04 18:29:39,811 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 243.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-04 18:29:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-04 18:29:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-04 18:29:39,814 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) [2021-10-04 18:29:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2021-10-04 18:29:39,815 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 46 transitions. Word has length 16 [2021-10-04 18:29:39,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:39,816 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 46 transitions. [2021-10-04 18:29:39,816 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) [2021-10-04 18:29:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-04 18:29:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-04 18:29:39,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-04 18:29:39,817 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-04 18:29:39,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-04 18:29:39,818 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-04 18:29:39,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-04 18:29:39,819 INFO L82 PathProgramCache]: Analyzing trace with hash 270345076, now seen corresponding path program 6 times [2021-10-04 18:29:39,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-04 18:29:39,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411101655] [2021-10-04 18:29:39,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-04 18:29:39,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-04 18:29:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-04 18:29:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-04 18:29:40,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-04 18:29:40,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411101655] [2021-10-04 18:29:40,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411101655] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-04 18:29:40,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-04 18:29:40,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-04 18:29:40,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687021381] [2021-10-04 18:29:40,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-04 18:29:40,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-04 18:29:40,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-04 18:29:40,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-04 18:29:40,121 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) [2021-10-04 18:29:40,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-04 18:29:40,313 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2021-10-04 18:29:40,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-04 18:29:40,314 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 [2021-10-04 18:29:40,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-04 18:29:40,315 INFO L225 Difference]: With dead ends: 31 [2021-10-04 18:29:40,315 INFO L226 Difference]: Without dead ends: 0 [2021-10-04 18:29:40,315 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 249.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-04 18:29:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-04 18:29:40,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-04 18:29:40,316 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) [2021-10-04 18:29:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-04 18:29:40,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-04 18:29:40,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-04 18:29:40,317 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-04 18:29:40,317 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) [2021-10-04 18:29:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-04 18:29:40,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-04 18:29:40,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-04 18:29:40,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-04 18:29:40,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-04 18:29:40,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-04 18:29:40,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-04 18:29:40,328 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-04 18:29:40,328 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-04 18:29:40,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 06:29:40 BasicIcfg [2021-10-04 18:29:40,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-04 18:29:40,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-04 18:29:40,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-04 18:29:40,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-04 18:29:40,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 06:29:28" (3/4) ... [2021-10-04 18:29:40,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-04 18:29:40,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-04 18:29:40,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-04 18:29:40,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-04 18:29:40,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-04 18:29:40,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-04 18:29:40,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-04 18:29:40,405 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-04 18:29:40,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-04 18:29:40,407 INFO L168 Benchmark]: Toolchain (without parser) took 12664.11 ms. Allocated memory was 52.4 MB in the beginning and 98.6 MB in the end (delta: 46.1 MB). Free memory was 28.2 MB in the beginning and 39.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,408 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-04 18:29:40,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.29 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.9 MB in the beginning and 39.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.89 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 37.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-04 18:29:40,410 INFO L168 Benchmark]: Boogie Preprocessor took 63.66 ms. Allocated memory is still 62.9 MB. Free memory was 37.7 MB in the beginning and 36.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,411 INFO L168 Benchmark]: RCFGBuilder took 579.26 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 36.8 MB in the end (delta: -560.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,411 INFO L168 Benchmark]: TraceAbstraction took 11516.00 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 36.4 MB in the beginning and 42.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,412 INFO L168 Benchmark]: Witness Printer took 73.58 ms. Allocated memory is still 98.6 MB. Free memory was 42.9 MB in the beginning and 39.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-04 18:29:40,416 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 52.4 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.29 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.9 MB in the beginning and 39.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.89 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 37.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.66 ms. Allocated memory is still 62.9 MB. Free memory was 37.7 MB in the beginning and 36.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 579.26 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 36.8 MB in the end (delta: -560.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11516.00 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 36.4 MB in the beginning and 42.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 73.58 ms. Allocated memory is still 98.6 MB. Free memory was 42.9 MB in the beginning and 39.7 MB in the end (delta: 3.1 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: 7349.9ms, 172 PlacesBefore, 30 PlacesAfterwards, 181 TransitionsBefore, 20 TransitionsAfterwards, 8448 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 39 ConcurrentYvCompositions, 19 ChoiceCompositions, 210 TotalNumberOfCompositions, 8044 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8044, positive: 8044, positive conditional: 0, positive unconditional: 8044, 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: 6555, positive: 6555, positive conditional: 0, positive unconditional: 6555, 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: 6555, positive: 6555, positive conditional: 0, positive unconditional: 6555, 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: 8044, positive: 1489, positive conditional: 0, positive unconditional: 1489, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6555, unknown conditional: 0, unknown unconditional: 6555] , 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: 54]: 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, 247 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11266.9ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 16.4ms, AutomataDifference: 1341.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7410.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 232 SDslu, 185 SDs, 0 SdLazy, 91 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 195.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1469.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 60.6ms AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.6ms SsaConstructionTime, 536.9ms SatisfiabilityAnalysisTime, 1635.9ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 1829 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! [2021-10-04 18:29:40,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...