./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.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_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/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_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/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_1f0ddd3c-701d-4298-8619-234f397bdec3/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 f642aa2c8450a6773cb633057d1c74c446cbd236 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:00,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:00,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:00,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:00,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:00,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:00,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:00,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:00,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:00,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:00,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:00,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:00,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:00,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:00,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:00,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:00,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:00,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:00,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:00,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:00,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:00,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:00,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:00,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:00,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:00,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:00,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:00,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:00,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:00,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:00,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:00,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:00,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:00,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:00,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:00,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:00,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:00,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:00,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:00,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:00,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:00,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:00,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:00,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:00,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:00,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:00,469 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:00,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:00,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:00,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:00,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:00,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:00,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:00,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:00,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:00,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:00,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:00,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:00,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:00,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:00,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:00,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:00,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:00,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:00,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:00,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:00,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:00,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:00,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:00,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:00,481 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_1f0ddd3c-701d-4298-8619-234f397bdec3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f642aa2c8450a6773cb633057d1c74c446cbd236 [2021-10-11 00:32:00,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:00,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:00,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:00,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:00,760 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:00,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2021-10-11 00:32:00,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/data/57c778d91/e85e4021dd934140b1b96ebd79dd3043/FLAGe9305b2d6 [2021-10-11 00:32:01,482 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:01,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2021-10-11 00:32:01,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/data/57c778d91/e85e4021dd934140b1b96ebd79dd3043/FLAGe9305b2d6 [2021-10-11 00:32:01,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/data/57c778d91/e85e4021dd934140b1b96ebd79dd3043 [2021-10-11 00:32:01,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:01,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:01,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:01,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:01,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:01,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306ee15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01, skipping insertion in model container [2021-10-11 00:32:01,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:01,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:02,010 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-11 00:32:02,569 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_1f0ddd3c-701d-4298-8619-234f397bdec3/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-10-11 00:32:02,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:02,629 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:02,663 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-11 00:32:02,723 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_1f0ddd3c-701d-4298-8619-234f397bdec3/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-10-11 00:32:02,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:03,167 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:03,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03 WrapperNode [2021-10-11 00:32:03,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:03,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:03,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:03,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:03,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:03,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:03,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:03,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:03,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:03,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:03,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:03,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:03,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/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 00:32:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-11 00:32:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:32:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-11 00:32:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:32:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 00:32:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-10-11 00:32:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-10-11 00:32:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:32:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:03,389 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 00:32:04,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:04,057 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-11 00:32:04,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:04 BoogieIcfgContainer [2021-10-11 00:32:04,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:04,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:04,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:04,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:04,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:01" (1/3) ... [2021-10-11 00:32:04,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa5bd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:04, skipping insertion in model container [2021-10-11 00:32:04,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (2/3) ... [2021-10-11 00:32:04,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa5bd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:04, skipping insertion in model container [2021-10-11 00:32:04,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:04" (3/3) ... [2021-10-11 00:32:04,067 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-10-11 00:32:04,080 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 00:32:04,080 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:04,083 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 00:32:04,084 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 00:32:04,135 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,136 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,136 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,137 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,137 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,138 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,139 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,140 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,141 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,142 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,142 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,142 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,142 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,143 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,143 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,144 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,145 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,145 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,145 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,145 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,146 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,146 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,146 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,146 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,146 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,147 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,147 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,147 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,148 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,148 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,148 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,148 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,148 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,149 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,149 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,149 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,149 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,149 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,150 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,151 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,151 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,151 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,151 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,152 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,152 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,152 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,152 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,153 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,153 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,153 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,153 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,153 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,154 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,154 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,154 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,154 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,154 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,155 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,157 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,158 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,158 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,158 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,159 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,159 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,161 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,162 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,162 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,163 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,163 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,164 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 00:32:04,171 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-11 00:32:04,182 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-11 00:32:04,206 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:04,207 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:04,207 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:04,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:04,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:04,207 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:04,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:04,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:04,225 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 00:32:04,227 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 156 transitions, 334 flow [2021-10-11 00:32:04,230 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 156 transitions, 334 flow [2021-10-11 00:32:04,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 156 transitions, 334 flow [2021-10-11 00:32:04,332 INFO L129 PetriNetUnfolder]: 11/196 cut-off events. [2021-10-11 00:32:04,333 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-11 00:32:04,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 196 events. 11/196 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 358 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 111. Up to 4 conditions per place. [2021-10-11 00:32:04,341 INFO L116 LiptonReduction]: Number of co-enabled transitions 1836 [2021-10-11 00:32:05,819 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:05,852 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,872 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:05,875 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:05,902 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,946 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:05,954 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,975 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:05,977 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:05,978 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:08,550 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,589 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:08,605 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,640 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:08,643 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,644 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2021-10-11 00:32:08,670 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:08,719 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,748 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:08,750 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:08,751 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2021-10-11 00:32:09,069 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,106 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:09,114 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:09,147 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,147 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2021-10-11 00:32:09,165 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:09,204 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,234 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:09,235 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:09,236 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:110 [2021-10-11 00:32:11,930 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:11,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:11,969 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:11,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:11,997 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:11,997 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2021-10-11 00:32:12,012 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:12,038 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:12,050 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:12,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:12,083 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:12,083 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2021-10-11 00:32:14,102 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,128 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:14,142 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,162 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:14,164 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,164 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:14,183 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,208 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:14,213 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:14,237 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:14,237 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:16,300 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:16,328 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:16,352 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,353 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2021-10-11 00:32:16,367 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,392 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:16,398 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,418 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:16,420 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:16,420 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2021-10-11 00:32:18,745 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,772 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:18,780 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,799 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:18,801 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,801 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2021-10-11 00:32:18,821 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:18,851 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,872 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:18,874 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:18,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2021-10-11 00:32:21,222 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,257 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:21,263 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,292 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:21,294 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,294 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2021-10-11 00:32:21,308 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,343 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:21,349 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,379 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:21,381 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:21,381 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:23,700 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,734 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:23,739 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,767 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:23,768 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,769 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2021-10-11 00:32:23,783 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,808 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:23,812 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,833 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:23,834 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:23,835 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2021-10-11 00:32:26,931 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:26,961 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:26,968 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:26,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:26,996 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:26,996 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2021-10-11 00:32:27,009 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:27,040 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:27,045 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:27,071 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:27,072 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:27,073 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2021-10-11 00:32:29,086 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,111 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:29,115 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,136 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:29,137 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,138 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2021-10-11 00:32:29,152 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,175 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:29,182 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:32:29,205 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 00:32:29,205 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2021-10-11 00:32:31,661 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-10-11 00:32:32,354 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-10-11 00:32:32,553 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-10-11 00:32:32,768 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-10-11 00:32:32,926 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-10-11 00:32:33,338 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-10-11 00:32:33,558 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-10-11 00:32:33,916 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-10-11 00:32:34,419 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-10-11 00:32:34,605 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-10-11 00:32:35,017 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-10-11 00:32:35,249 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-10-11 00:32:35,479 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-10-11 00:32:35,785 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-10-11 00:32:35,900 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-10-11 00:32:36,369 WARN L197 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2021-10-11 00:32:36,521 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-10-11 00:32:36,896 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2021-10-11 00:32:37,053 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-10-11 00:32:38,198 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 163 [2021-10-11 00:32:39,300 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 157 [2021-10-11 00:32:40,720 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 174 [2021-10-11 00:32:42,189 WARN L197 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 168 [2021-10-11 00:32:42,678 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-10-11 00:32:43,175 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-10-11 00:32:43,683 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-10-11 00:32:44,226 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-10-11 00:32:44,234 INFO L131 LiptonReduction]: Checked pairs total: 4033 [2021-10-11 00:32:44,234 INFO L133 LiptonReduction]: Total number of compositions: 175 [2021-10-11 00:32:44,241 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 36 transitions, 94 flow [2021-10-11 00:32:44,259 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 209 states. [2021-10-11 00:32:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2021-10-11 00:32:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-11 00:32:44,266 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:44,267 INFO L422 BasicCegarLoop]: trace histogram [1] [2021-10-11 00:32:44,267 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:44,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:44,273 INFO L82 PathProgramCache]: Analyzing trace with hash 572, now seen corresponding path program 1 times [2021-10-11 00:32:44,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:44,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116452012] [2021-10-11 00:32:44,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:44,493 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 00:32:44,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116452012] [2021-10-11 00:32:44,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:44,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-10-11 00:32:44,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19390207] [2021-10-11 00:32:44,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:44,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:44,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:44,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:44,535 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2021-10-11 00:32:44,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:44,569 INFO L93 Difference]: Finished difference Result 207 states and 457 transitions. [2021-10-11 00:32:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:44,570 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2021-10-11 00:32:44,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:44,581 INFO L225 Difference]: With dead ends: 207 [2021-10-11 00:32:44,581 INFO L226 Difference]: Without dead ends: 189 [2021-10-11 00:32:44,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 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 00:32:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-10-11 00:32:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-10-11 00:32:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2021-10-11 00:32:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 415 transitions. [2021-10-11 00:32:44,636 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 415 transitions. Word has length 1 [2021-10-11 00:32:44,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:44,636 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 415 transitions. [2021-10-11 00:32:44,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 415 transitions. [2021-10-11 00:32:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:32:44,637 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:44,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:32:44,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:44,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:44,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:44,639 INFO L82 PathProgramCache]: Analyzing trace with hash 17588937, now seen corresponding path program 1 times [2021-10-11 00:32:44,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:44,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568535350] [2021-10-11 00:32:44,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:44,944 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 00:32:44,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568535350] [2021-10-11 00:32:44,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:44,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:44,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47341566] [2021-10-11 00:32:44,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:44,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:44,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:44,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:44,953 INFO L87 Difference]: Start difference. First operand 189 states and 415 transitions. Second operand 3 states. [2021-10-11 00:32:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:45,085 INFO L93 Difference]: Finished difference Result 262 states and 581 transitions. [2021-10-11 00:32:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:45,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 00:32:45,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:45,091 INFO L225 Difference]: With dead ends: 262 [2021-10-11 00:32:45,091 INFO L226 Difference]: Without dead ends: 262 [2021-10-11 00:32:45,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:45,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-10-11 00:32:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2021-10-11 00:32:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-10-11 00:32:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 485 transitions. [2021-10-11 00:32:45,116 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 485 transitions. Word has length 4 [2021-10-11 00:32:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:45,116 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 485 transitions. [2021-10-11 00:32:45,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 485 transitions. [2021-10-11 00:32:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:32:45,117 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:45,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:32:45,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:45,118 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:45,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:45,119 INFO L82 PathProgramCache]: Analyzing trace with hash -276933705, now seen corresponding path program 1 times [2021-10-11 00:32:45,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:45,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219564499] [2021-10-11 00:32:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:45,200 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 00:32:45,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219564499] [2021-10-11 00:32:45,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:45,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:45,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725414017] [2021-10-11 00:32:45,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:45,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:45,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:45,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:45,203 INFO L87 Difference]: Start difference. First operand 217 states and 485 transitions. Second operand 4 states. [2021-10-11 00:32:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:45,341 INFO L93 Difference]: Finished difference Result 290 states and 636 transitions. [2021-10-11 00:32:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:45,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2021-10-11 00:32:45,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:45,344 INFO L225 Difference]: With dead ends: 290 [2021-10-11 00:32:45,344 INFO L226 Difference]: Without dead ends: 251 [2021-10-11 00:32:45,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 00:32:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-10-11 00:32:45,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 236. [2021-10-11 00:32:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2021-10-11 00:32:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 542 transitions. [2021-10-11 00:32:45,362 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 542 transitions. Word has length 6 [2021-10-11 00:32:45,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:45,363 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 542 transitions. [2021-10-11 00:32:45,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:45,363 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 542 transitions. [2021-10-11 00:32:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:32:45,364 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:45,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:45,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:45,365 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:45,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:45,366 INFO L82 PathProgramCache]: Analyzing trace with hash -417920161, now seen corresponding path program 1 times [2021-10-11 00:32:45,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:45,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817991721] [2021-10-11 00:32:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:45,448 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 00:32:45,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817991721] [2021-10-11 00:32:45,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:45,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:45,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449277053] [2021-10-11 00:32:45,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:45,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:45,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:45,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:45,455 INFO L87 Difference]: Start difference. First operand 236 states and 542 transitions. Second operand 3 states. [2021-10-11 00:32:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:45,482 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2021-10-11 00:32:45,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:45,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-10-11 00:32:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:45,484 INFO L225 Difference]: With dead ends: 86 [2021-10-11 00:32:45,484 INFO L226 Difference]: Without dead ends: 86 [2021-10-11 00:32:45,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:45,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-11 00:32:45,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-10-11 00:32:45,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2021-10-11 00:32:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2021-10-11 00:32:45,489 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2021-10-11 00:32:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:45,489 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2021-10-11 00:32:45,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2021-10-11 00:32:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:45,490 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:45,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:45,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:45,491 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:45,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:45,491 INFO L82 PathProgramCache]: Analyzing trace with hash 316125018, now seen corresponding path program 1 times [2021-10-11 00:32:45,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:45,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837060115] [2021-10-11 00:32:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:46,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837060115] [2021-10-11 00:32:46,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:46,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-11 00:32:46,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069161282] [2021-10-11 00:32:46,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 00:32:46,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:46,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 00:32:46,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:32:46,067 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 12 states. [2021-10-11 00:32:47,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:47,188 INFO L93 Difference]: Finished difference Result 144 states and 253 transitions. [2021-10-11 00:32:47,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:32:47,189 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2021-10-11 00:32:47,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:47,190 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:32:47,190 INFO L226 Difference]: Without dead ends: 144 [2021-10-11 00:32:47,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-10-11 00:32:47,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-11 00:32:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 109. [2021-10-11 00:32:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-10-11 00:32:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 202 transitions. [2021-10-11 00:32:47,194 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 202 transitions. Word has length 18 [2021-10-11 00:32:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:47,194 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 202 transitions. [2021-10-11 00:32:47,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 00:32:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2021-10-11 00:32:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:47,195 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:47,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:47,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:47,196 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:47,196 INFO L82 PathProgramCache]: Analyzing trace with hash 316124993, now seen corresponding path program 1 times [2021-10-11 00:32:47,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:47,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492439601] [2021-10-11 00:32:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:47,424 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 00:32:47,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492439601] [2021-10-11 00:32:47,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:47,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:47,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825576780] [2021-10-11 00:32:47,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:32:47,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:47,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:32:47,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:47,427 INFO L87 Difference]: Start difference. First operand 109 states and 202 transitions. Second operand 7 states. [2021-10-11 00:32:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:47,744 INFO L93 Difference]: Finished difference Result 168 states and 302 transitions. [2021-10-11 00:32:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:32:47,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2021-10-11 00:32:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:47,746 INFO L225 Difference]: With dead ends: 168 [2021-10-11 00:32:47,747 INFO L226 Difference]: Without dead ends: 147 [2021-10-11 00:32:47,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:32:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-10-11 00:32:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 105. [2021-10-11 00:32:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-10-11 00:32:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 194 transitions. [2021-10-11 00:32:47,780 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 194 transitions. Word has length 18 [2021-10-11 00:32:47,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:47,781 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 194 transitions. [2021-10-11 00:32:47,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:32:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2021-10-11 00:32:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:47,787 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:47,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:47,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:32:47,788 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:47,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1657828642, now seen corresponding path program 1 times [2021-10-11 00:32:47,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:47,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981526064] [2021-10-11 00:32:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:47,912 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 00:32:47,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981526064] [2021-10-11 00:32:47,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:47,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:47,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530593611] [2021-10-11 00:32:47,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:47,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:47,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:47,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:47,915 INFO L87 Difference]: Start difference. First operand 105 states and 194 transitions. Second operand 5 states. [2021-10-11 00:32:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:48,072 INFO L93 Difference]: Finished difference Result 123 states and 224 transitions. [2021-10-11 00:32:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:48,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-10-11 00:32:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:48,073 INFO L225 Difference]: With dead ends: 123 [2021-10-11 00:32:48,073 INFO L226 Difference]: Without dead ends: 123 [2021-10-11 00:32:48,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-11 00:32:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2021-10-11 00:32:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-10-11 00:32:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 214 transitions. [2021-10-11 00:32:48,079 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 214 transitions. Word has length 18 [2021-10-11 00:32:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:48,079 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 214 transitions. [2021-10-11 00:32:48,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 214 transitions. [2021-10-11 00:32:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:48,081 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:48,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:48,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:32:48,081 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:48,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:48,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1686456832, now seen corresponding path program 2 times [2021-10-11 00:32:48,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:48,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590873752] [2021-10-11 00:32:48,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:48,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:48,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:48,286 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:48,286 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:32:48,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:32:48,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:48 BasicIcfg [2021-10-11 00:32:48,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:48,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:48,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:48,345 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:48,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:04" (3/4) ... [2021-10-11 00:32:48,348 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:32:48,444 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f0ddd3c-701d-4298-8619-234f397bdec3/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:48,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:48,446 INFO L168 Benchmark]: Toolchain (without parser) took 46719.62 ms. Allocated memory was 104.9 MB in the beginning and 205.5 MB in the end (delta: 100.7 MB). Free memory was 73.4 MB in the beginning and 96.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 77.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,446 INFO L168 Benchmark]: CDTParser took 1.63 ms. Allocated memory is still 104.9 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:48,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.53 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 73.1 MB in the beginning and 97.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.51 ms. Allocated memory is still 127.9 MB. Free memory was 97.3 MB in the beginning and 94.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,448 INFO L168 Benchmark]: Boogie Preprocessor took 61.40 ms. Allocated memory is still 127.9 MB. Free memory was 94.2 MB in the beginning and 91.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,454 INFO L168 Benchmark]: RCFGBuilder took 739.47 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 42.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,458 INFO L168 Benchmark]: TraceAbstraction took 44284.05 ms. Allocated memory was 127.9 MB in the beginning and 205.5 MB in the end (delta: 77.6 MB). Free memory was 42.8 MB in the beginning and 104.0 MB in the end (delta: -61.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,458 INFO L168 Benchmark]: Witness Printer took 99.87 ms. Allocated memory is still 205.5 MB. Free memory was 104.0 MB in the beginning and 96.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:48,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 ms. Allocated memory is still 104.9 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1441.53 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 73.1 MB in the beginning and 97.3 MB in the end (delta: -24.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.51 ms. Allocated memory is still 127.9 MB. Free memory was 97.3 MB in the beginning and 94.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.40 ms. Allocated memory is still 127.9 MB. Free memory was 94.2 MB in the beginning and 91.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 739.47 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 42.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44284.05 ms. Allocated memory was 127.9 MB in the beginning and 205.5 MB in the end (delta: 77.6 MB). Free memory was 42.8 MB in the beginning and 104.0 MB in the end (delta: -61.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Witness Printer took 99.87 ms. Allocated memory is still 205.5 MB. Free memory was 104.0 MB in the beginning and 96.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1234 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 10 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 22.3s, 61 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 40.0s, 152 PlacesBefore, 37 PlacesAfterwards, 156 TransitionsBefore, 36 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 7 FixpointIterations, 99 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 175 TotalNumberOfCompositions, 4033 MoverChecksTotal - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1688] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1707] 0 data->shared.a [L1675] COND FALSE 0 !(!expression) [L1708] 0 data->shared.b [L1675] COND FALSE 0 !(!expression) [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [arg={0:0}, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, lb=0, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, lb=0, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, lb=0, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, lb=0, my_dev={8:24}, t1={9:0}, t2={5:0}] [L1740] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1741] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={8:24}, arg={0:0}, arg={0:0}, data={8:0}, lb=0, my_dev={8:24}, t1={9:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 40.0s, HoareTripleCheckerStatistics: 161 SDtfs, 146 SDslu, 185 SDs, 0 SdLazy, 572 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 143 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 13426 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 incorrect! Received shutdown request...