./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC --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 213c3b6e80c2d30895f4d56afda95855a8c875e8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:24:07,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:07,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:07,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:07,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:07,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:07,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:07,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:07,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:07,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:07,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:07,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:07,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:07,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:07,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:07,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:07,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:07,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:07,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:07,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:07,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:07,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:07,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:07,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:07,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:07,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:07,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:07,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:07,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:07,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:07,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:07,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:07,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:07,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:07,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:07,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:07,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:07,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:07,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:07,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:07,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:07,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:07,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:07,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:07,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:07,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:07,455 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:07,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:07,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:07,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:07,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:07,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:07,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:07,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:07,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:07,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:07,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:07,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:07,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:07,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:07,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:07,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:07,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:07,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:07,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:07,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:07,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:07,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:07,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:07,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:07,470 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c3b6e80c2d30895f4d56afda95855a8c875e8 [2021-10-11 00:24:07,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:07,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:07,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:07,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:07,871 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:07,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i [2021-10-11 00:24:07,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/data/3aa079dc4/1363b0a2a17b4f44aa2297c55362440c/FLAG48f3a4f5a [2021-10-11 00:24:08,629 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:08,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i [2021-10-11 00:24:08,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/data/3aa079dc4/1363b0a2a17b4f44aa2297c55362440c/FLAG48f3a4f5a [2021-10-11 00:24:08,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/data/3aa079dc4/1363b0a2a17b4f44aa2297c55362440c [2021-10-11 00:24:08,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:08,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:08,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:08,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:08,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:08,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:08" (1/1) ... [2021-10-11 00:24:08,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7786bc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:08, skipping insertion in model container [2021-10-11 00:24:08,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:08" (1/1) ... [2021-10-11 00:24:08,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:08,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:09,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i[950,963] [2021-10-11 00:24:09,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:09,368 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:09,383 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/sv-benchmarks/c/pthread-wmm/thin000_tso.oepc.i[950,963] [2021-10-11 00:24:09,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:09,506 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:09,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09 WrapperNode [2021-10-11 00:24:09,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:09,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:09,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:09,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:09,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:09,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:09,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:09,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:09,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... [2021-10-11 00:24:09,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:09,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:09,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:09,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:09,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:24:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-11 00:24:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:24:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-11 00:24:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-11 00:24:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-11 00:24:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-11 00:24:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-11 00:24:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:09,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-11 00:24:10,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:10,080 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 00:24:10,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:10 BoogieIcfgContainer [2021-10-11 00:24:10,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:10,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:10,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:10,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:10,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:08" (1/3) ... [2021-10-11 00:24:10,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8df3c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:10, skipping insertion in model container [2021-10-11 00:24:10,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:09" (2/3) ... [2021-10-11 00:24:10,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8df3c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:10, skipping insertion in model container [2021-10-11 00:24:10,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:10" (3/3) ... [2021-10-11 00:24:10,094 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_tso.oepc.i [2021-10-11 00:24:10,110 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 00:24:10,110 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:10,114 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:24:10,115 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 00:24:10,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,184 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,189 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,189 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,194 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:24:10,213 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-11 00:24:10,224 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:24:10,246 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:10,246 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:10,246 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:10,246 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:10,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:10,247 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:10,247 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:10,247 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:10,260 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 00:24:10,261 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 61 transitions, 132 flow [2021-10-11 00:24:10,264 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 61 transitions, 132 flow [2021-10-11 00:24:10,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 61 transitions, 132 flow [2021-10-11 00:24:10,306 INFO L129 PetriNetUnfolder]: 2/59 cut-off events. [2021-10-11 00:24:10,307 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-11 00:24:10,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 59 events. 2/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-10-11 00:24:10,313 INFO L116 LiptonReduction]: Number of co-enabled transitions 696 [2021-10-11 00:24:12,291 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-10-11 00:24:13,106 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-10-11 00:24:13,210 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-10-11 00:24:13,401 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-10-11 00:24:13,487 INFO L131 LiptonReduction]: Checked pairs total: 1534 [2021-10-11 00:24:13,488 INFO L133 LiptonReduction]: Total number of compositions: 54 [2021-10-11 00:24:13,499 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2021-10-11 00:24:13,509 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2021-10-11 00:24:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2021-10-11 00:24:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:24:13,514 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:13,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:24:13,515 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:13,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1865753681, now seen corresponding path program 1 times [2021-10-11 00:24:13,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:13,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101973313] [2021-10-11 00:24:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:13,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101973313] [2021-10-11 00:24:13,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:13,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:13,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753548208] [2021-10-11 00:24:13,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:13,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:13,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:13,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:13,770 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2021-10-11 00:24:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:13,795 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2021-10-11 00:24:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:13,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2021-10-11 00:24:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:13,807 INFO L225 Difference]: With dead ends: 90 [2021-10-11 00:24:13,807 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 00:24:13,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:13,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 00:24:13,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-10-11 00:24:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 00:24:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2021-10-11 00:24:13,862 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2021-10-11 00:24:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:13,863 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2021-10-11 00:24:13,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2021-10-11 00:24:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:24:13,867 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:13,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:13,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:13,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:13,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:13,872 INFO L82 PathProgramCache]: Analyzing trace with hash -2003798512, now seen corresponding path program 1 times [2021-10-11 00:24:13,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:13,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375336892] [2021-10-11 00:24:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:14,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375336892] [2021-10-11 00:24:14,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:14,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:14,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476489340] [2021-10-11 00:24:14,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:24:14,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:14,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:24:14,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:24:14,051 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2021-10-11 00:24:14,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:14,091 INFO L93 Difference]: Finished difference Result 88 states and 179 transitions. [2021-10-11 00:24:14,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:14,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-10-11 00:24:14,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:14,093 INFO L225 Difference]: With dead ends: 88 [2021-10-11 00:24:14,093 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 00:24:14,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:14,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 00:24:14,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-10-11 00:24:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 00:24:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 154 transitions. [2021-10-11 00:24:14,103 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 154 transitions. Word has length 7 [2021-10-11 00:24:14,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:14,104 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 154 transitions. [2021-10-11 00:24:14,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:24:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2021-10-11 00:24:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:24:14,105 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:14,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:14,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:14,105 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:14,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:14,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1988772591, now seen corresponding path program 1 times [2021-10-11 00:24:14,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:14,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423868108] [2021-10-11 00:24:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:14,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423868108] [2021-10-11 00:24:14,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:14,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:14,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474991769] [2021-10-11 00:24:14,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:14,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:14,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:14,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:14,208 INFO L87 Difference]: Start difference. First operand 72 states and 154 transitions. Second operand 5 states. [2021-10-11 00:24:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:14,266 INFO L93 Difference]: Finished difference Result 123 states and 245 transitions. [2021-10-11 00:24:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:24:14,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2021-10-11 00:24:14,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:14,267 INFO L225 Difference]: With dead ends: 123 [2021-10-11 00:24:14,267 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 00:24:14,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:24:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 00:24:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 66. [2021-10-11 00:24:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 00:24:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 136 transitions. [2021-10-11 00:24:14,276 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 136 transitions. Word has length 8 [2021-10-11 00:24:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:14,276 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 136 transitions. [2021-10-11 00:24:14,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 136 transitions. [2021-10-11 00:24:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:24:14,277 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:14,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:14,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:14,278 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:14,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1988232509, now seen corresponding path program 1 times [2021-10-11 00:24:14,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:14,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47918575] [2021-10-11 00:24:14,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:14,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47918575] [2021-10-11 00:24:14,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:14,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:14,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165593565] [2021-10-11 00:24:14,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:14,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:14,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:14,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:14,334 INFO L87 Difference]: Start difference. First operand 66 states and 136 transitions. Second operand 5 states. [2021-10-11 00:24:14,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:14,357 INFO L93 Difference]: Finished difference Result 72 states and 140 transitions. [2021-10-11 00:24:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:14,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2021-10-11 00:24:14,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:14,360 INFO L225 Difference]: With dead ends: 72 [2021-10-11 00:24:14,360 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 00:24:14,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 00:24:14,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-11 00:24:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:24:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 120 transitions. [2021-10-11 00:24:14,373 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 120 transitions. Word has length 8 [2021-10-11 00:24:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:14,373 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 120 transitions. [2021-10-11 00:24:14,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-10-11 00:24:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:24:14,374 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:14,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:14,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:14,375 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:14,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:14,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1522428958, now seen corresponding path program 1 times [2021-10-11 00:24:14,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:14,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097889887] [2021-10-11 00:24:14,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:14,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097889887] [2021-10-11 00:24:14,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:14,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:14,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844366752] [2021-10-11 00:24:14,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:24:14,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:14,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:24:14,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:14,469 INFO L87 Difference]: Start difference. First operand 60 states and 120 transitions. Second operand 6 states. [2021-10-11 00:24:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:14,518 INFO L93 Difference]: Finished difference Result 75 states and 145 transitions. [2021-10-11 00:24:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:14,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2021-10-11 00:24:14,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:14,521 INFO L225 Difference]: With dead ends: 75 [2021-10-11 00:24:14,521 INFO L226 Difference]: Without dead ends: 42 [2021-10-11 00:24:14,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:24:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-11 00:24:14,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-10-11 00:24:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-10-11 00:24:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2021-10-11 00:24:14,530 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 9 [2021-10-11 00:24:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:14,531 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2021-10-11 00:24:14,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:24:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2021-10-11 00:24:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:24:14,532 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:14,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:14,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:24:14,532 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 567543910, now seen corresponding path program 1 times [2021-10-11 00:24:14,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:14,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373617304] [2021-10-11 00:24:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:14,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373617304] [2021-10-11 00:24:14,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:14,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:14,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625102701] [2021-10-11 00:24:14,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:24:14,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:14,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:24:14,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:14,623 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 6 states. [2021-10-11 00:24:14,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:14,657 INFO L93 Difference]: Finished difference Result 36 states and 63 transitions. [2021-10-11 00:24:14,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:14,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2021-10-11 00:24:14,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:14,658 INFO L225 Difference]: With dead ends: 36 [2021-10-11 00:24:14,658 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:14,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:24:14,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:14,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-11 00:24:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:14,659 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:14,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:24:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:14,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:14,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:24:14,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:14 BasicIcfg [2021-10-11 00:24:14,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:14,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:14,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:14,664 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:14,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:10" (3/4) ... [2021-10-11 00:24:14,667 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:14,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-11 00:24:14,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-11 00:24:14,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-11 00:24:14,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:24:14,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:14,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:14,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4da86c-c7b3-4bd7-b697-0deb8dfc9bef/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:14,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:14,758 INFO L168 Benchmark]: Toolchain (without parser) took 5891.30 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 62.7 MB in the beginning and 33.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,758 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 102.8 MB. Free memory was 80.8 MB in the beginning and 80.7 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:14,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.44 ms. Allocated memory is still 102.8 MB. Free memory was 62.5 MB in the beginning and 57.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.06 ms. Allocated memory is still 102.8 MB. Free memory was 57.6 MB in the beginning and 55.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,760 INFO L168 Benchmark]: Boogie Preprocessor took 27.97 ms. Allocated memory is still 102.8 MB. Free memory was 55.6 MB in the beginning and 54.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:14,761 INFO L168 Benchmark]: RCFGBuilder took 457.85 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 97.3 MB in the end (delta: -42.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,761 INFO L168 Benchmark]: TraceAbstraction took 4577.97 ms. Allocated memory is still 123.7 MB. Free memory was 96.5 MB in the beginning and 36.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,762 INFO L168 Benchmark]: Witness Printer took 93.55 ms. Allocated memory is still 123.7 MB. Free memory was 36.6 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:14,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 102.8 MB. Free memory was 80.8 MB in the beginning and 80.7 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.44 ms. Allocated memory is still 102.8 MB. Free memory was 62.5 MB in the beginning and 57.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.06 ms. Allocated memory is still 102.8 MB. Free memory was 57.6 MB in the beginning and 55.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.97 ms. Allocated memory is still 102.8 MB. Free memory was 55.6 MB in the beginning and 54.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 457.85 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 97.3 MB in the end (delta: -42.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4577.97 ms. Allocated memory is still 123.7 MB. Free memory was 96.5 MB in the beginning and 36.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. * Witness Printer took 93.55 ms. Allocated memory is still 123.7 MB. Free memory was 36.6 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 504 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 54 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 66 PlacesBefore, 23 PlacesAfterwards, 61 TransitionsBefore, 17 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 54 TotalNumberOfCompositions, 1534 MoverChecksTotal - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 98 SDtfs, 105 SDslu, 143 SDs, 0 SdLazy, 53 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...