./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-e943c26 [2021-10-21 19:51:46,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:51:46,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:51:46,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:51:46,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:51:46,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:51:46,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:51:46,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:51:46,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:51:46,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:51:46,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:51:46,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:51:46,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:51:46,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:51:46,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:51:46,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:51:46,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:51:46,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:51:46,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:51:46,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:51:46,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:51:46,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:51:46,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:51:46,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:51:46,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:51:46,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:51:46,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:51:46,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:51:46,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:51:46,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:51:46,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:51:46,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:51:46,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:51:46,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:51:46,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:51:46,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:51:46,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:51:46,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:51:46,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:51:46,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:51:46,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:51:46,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:51:46,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:51:46,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:51:46,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:51:46,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:51:46,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:51:46,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:51:46,764 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:51:46,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:51:46,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:51:46,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:51:46,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:51:46,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:51:46,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:51:46,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:51:46,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:51:46,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:51:46,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:51:46,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:51:46,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:51:46,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:51:46,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:51:46,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:51:46,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:46,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:51:46,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:51:46,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:51:46,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:51:46,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:51:46,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:51:46,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:51:46,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:51:46,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:51:46,771 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_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2021-10-21 19:51:47,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:51:47,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:51:47,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:51:47,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:51:47,094 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:51:47,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-10-21 19:51:47,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/data/5b2086e35/a3655df284044efcbf77013a7642ca58/FLAG213e99af2 [2021-10-21 19:51:47,933 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:51:47,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-10-21 19:51:47,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/data/5b2086e35/a3655df284044efcbf77013a7642ca58/FLAG213e99af2 [2021-10-21 19:51:48,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/data/5b2086e35/a3655df284044efcbf77013a7642ca58 [2021-10-21 19:51:48,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:51:48,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:51:48,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:48,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:51:48,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:51:48,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:48" (1/1) ... [2021-10-21 19:51:48,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a45e65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:48, skipping insertion in model container [2021-10-21 19:51:48,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:48" (1/1) ... [2021-10-21 19:51:48,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:51:48,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:51:48,393 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-21 19:51:49,021 WARN L228 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_d815eb5d-ef78-4fec-a2aa-54aeed73a356/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-10-21 19:51:49,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:49,086 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:49,102 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-21 19:51:49,150 WARN L228 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_d815eb5d-ef78-4fec-a2aa-54aeed73a356/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-10-21 19:51:49,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:49,314 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:49,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49 WrapperNode [2021-10-21 19:51:49,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:49,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:49,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:49,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:49,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:49,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:49,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:49,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:49,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:49,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:49,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:49,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:49,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (1/1) ... [2021-10-21 19:51:49,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:49,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:49,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:49,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:51:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-10-21 19:51:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-10-21 19:51:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:51:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:51:49,637 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-21 19:51:50,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:51:50,488 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-21 19:51:50,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:50 BoogieIcfgContainer [2021-10-21 19:51:50,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:51:50,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:51:50,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:51:50,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:51:50,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:51:48" (1/3) ... [2021-10-21 19:51:50,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7013d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:50, skipping insertion in model container [2021-10-21 19:51:50,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:49" (2/3) ... [2021-10-21 19:51:50,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7013d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:50, skipping insertion in model container [2021-10-21 19:51:50,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:50" (3/3) ... [2021-10-21 19:51:50,499 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2021-10-21 19:51:50,505 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 19:51:50,505 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:51:50,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-21 19:51:50,506 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 19:51:50,563 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,568 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,569 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,570 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,575 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,585 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,585 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,585 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,595 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,596 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,597 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,598 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,598 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,601 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,602 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,602 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,602 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,603 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,603 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,606 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,606 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,607 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,607 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,607 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,615 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,615 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,625 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,626 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,628 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:51:50,644 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-21 19:51:50,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:51:50,717 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:51:50,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-21 19:51:50,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 153 transitions, 322 flow [2021-10-21 19:51:50,812 INFO L129 PetriNetUnfolder]: 8/189 cut-off events. [2021-10-21 19:51:50,812 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-21 19:51:50,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 8/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 330 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 99. Up to 4 conditions per place. [2021-10-21 19:51:50,817 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 153 transitions, 322 flow [2021-10-21 19:51:50,823 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 141 transitions, 294 flow [2021-10-21 19:51:50,843 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-10-21 19:51:50,843 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:51:50,844 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:50,844 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:50,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:50,851 INFO L82 PathProgramCache]: Analyzing trace with hash 79131282, now seen corresponding path program 1 times [2021-10-21 19:51:50,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:50,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037904546] [2021-10-21 19:51:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:50,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:51,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:51,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037904546] [2021-10-21 19:51:51,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037904546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:51,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:51,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:51:51,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275436243] [2021-10-21 19:51:51,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:51:51,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:51,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:51:51,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:51:51,536 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 153 [2021-10-21 19:51:51,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 141 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 90.66666666666667) internal successors, (544), 6 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:51,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:51:51,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 153 [2021-10-21 19:51:51,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:51:52,425 INFO L129 PetriNetUnfolder]: 844/1893 cut-off events. [2021-10-21 19:51:52,425 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-21 19:51:52,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 1893 events. 844/1893 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 12199 event pairs, 190 based on Foata normal form. 17/1872 useless extension candidates. Maximal degree in co-relation 3133. Up to 600 conditions per place. [2021-10-21 19:51:52,452 INFO L132 encePairwiseOnDemand]: 129/153 looper letters, 96 selfloop transitions, 48 changer transitions 0/225 dead transitions. [2021-10-21 19:51:52,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 225 transitions, 750 flow [2021-10-21 19:51:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-21 19:51:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-21 19:51:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1381 transitions. [2021-10-21 19:51:52,480 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6447245564892624 [2021-10-21 19:51:52,481 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1381 transitions. [2021-10-21 19:51:52,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1381 transitions. [2021-10-21 19:51:52,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:51:52,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1381 transitions. [2021-10-21 19:51:52,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 98.64285714285714) internal successors, (1381), 14 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,521 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,523 INFO L186 Difference]: Start difference. First operand has 143 places, 141 transitions, 294 flow. Second operand 14 states and 1381 transitions. [2021-10-21 19:51:52,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 225 transitions, 750 flow [2021-10-21 19:51:52,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 225 transitions, 742 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-21 19:51:52,547 INFO L242 Difference]: Finished difference. Result has 157 places, 174 transitions, 575 flow [2021-10-21 19:51:52,550 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=575, PETRI_PLACES=157, PETRI_TRANSITIONS=174} [2021-10-21 19:51:52,551 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 14 predicate places. [2021-10-21 19:51:52,552 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 174 transitions, 575 flow [2021-10-21 19:51:52,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.66666666666667) internal successors, (544), 6 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,553 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:52,553 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:52,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:51:52,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:52,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:52,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1534279196, now seen corresponding path program 1 times [2021-10-21 19:51:52,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:52,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969198170] [2021-10-21 19:51:52,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:52,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:52,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:52,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969198170] [2021-10-21 19:51:52,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969198170] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:52,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:52,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:51:52,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838273202] [2021-10-21 19:51:52,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:51:52,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:52,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:51:52,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:51:52,762 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 153 [2021-10-21 19:51:52,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 174 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:52,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:51:52,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 153 [2021-10-21 19:51:52,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:51:53,642 INFO L129 PetriNetUnfolder]: 1098/2452 cut-off events. [2021-10-21 19:51:53,643 INFO L130 PetriNetUnfolder]: For 10473/10494 co-relation queries the response was YES. [2021-10-21 19:51:53,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8908 conditions, 2452 events. 1098/2452 cut-off events. For 10473/10494 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 17170 event pairs, 234 based on Foata normal form. 47/2486 useless extension candidates. Maximal degree in co-relation 7905. Up to 843 conditions per place. [2021-10-21 19:51:53,678 INFO L132 encePairwiseOnDemand]: 134/153 looper letters, 71 selfloop transitions, 44 changer transitions 71/267 dead transitions. [2021-10-21 19:51:53,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 267 transitions, 1688 flow [2021-10-21 19:51:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:51:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-21 19:51:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1186 transitions. [2021-10-21 19:51:53,683 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6459694989106753 [2021-10-21 19:51:53,683 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1186 transitions. [2021-10-21 19:51:53,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1186 transitions. [2021-10-21 19:51:53,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:51:53,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1186 transitions. [2021-10-21 19:51:53,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 98.83333333333333) internal successors, (1186), 12 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,696 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,697 INFO L186 Difference]: Start difference. First operand has 157 places, 174 transitions, 575 flow. Second operand 12 states and 1186 transitions. [2021-10-21 19:51:53,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 267 transitions, 1688 flow [2021-10-21 19:51:53,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 267 transitions, 1688 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-21 19:51:53,731 INFO L242 Difference]: Finished difference. Result has 176 places, 178 transitions, 885 flow [2021-10-21 19:51:53,732 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=885, PETRI_PLACES=176, PETRI_TRANSITIONS=178} [2021-10-21 19:51:53,733 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 33 predicate places. [2021-10-21 19:51:53,733 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 178 transitions, 885 flow [2021-10-21 19:51:53,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,736 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:53,736 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:53,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:51:53,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:53,738 INFO L82 PathProgramCache]: Analyzing trace with hash 981523951, now seen corresponding path program 1 times [2021-10-21 19:51:53,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:53,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848674682] [2021-10-21 19:51:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:53,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:53,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:53,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848674682] [2021-10-21 19:51:53,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848674682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:53,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:53,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:51:53,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202582299] [2021-10-21 19:51:53,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:51:53,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:53,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:51:53,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:51:53,921 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 153 [2021-10-21 19:51:53,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 178 transitions, 885 flow. Second operand has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:53,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:51:53,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 153 [2021-10-21 19:51:53,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:51:53,992 INFO L129 PetriNetUnfolder]: 4/152 cut-off events. [2021-10-21 19:51:53,993 INFO L130 PetriNetUnfolder]: For 448/508 co-relation queries the response was YES. [2021-10-21 19:51:53,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 152 events. 4/152 cut-off events. For 448/508 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 218 event pairs, 4 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 319. Up to 13 conditions per place. [2021-10-21 19:51:53,995 INFO L132 encePairwiseOnDemand]: 148/153 looper letters, 5 selfloop transitions, 4 changer transitions 0/114 dead transitions. [2021-10-21 19:51:53,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 114 transitions, 367 flow [2021-10-21 19:51:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:51:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-21 19:51:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 814 transitions. [2021-10-21 19:51:53,999 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8867102396514162 [2021-10-21 19:51:53,999 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 814 transitions. [2021-10-21 19:51:53,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 814 transitions. [2021-10-21 19:51:54,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:51:54,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 814 transitions. [2021-10-21 19:51:54,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,008 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,009 INFO L186 Difference]: Start difference. First operand has 176 places, 178 transitions, 885 flow. Second operand 6 states and 814 transitions. [2021-10-21 19:51:54,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 114 transitions, 367 flow [2021-10-21 19:51:54,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 114 transitions, 258 flow, removed 40 selfloop flow, removed 17 redundant places. [2021-10-21 19:51:54,017 INFO L242 Difference]: Finished difference. Result has 127 places, 114 transitions, 248 flow [2021-10-21 19:51:54,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=127, PETRI_TRANSITIONS=114} [2021-10-21 19:51:54,018 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-10-21 19:51:54,018 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 114 transitions, 248 flow [2021-10-21 19:51:54,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:54,019 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:54,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:51:54,020 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:54,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:54,022 INFO L82 PathProgramCache]: Analyzing trace with hash -159553889, now seen corresponding path program 1 times [2021-10-21 19:51:54,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:54,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416376249] [2021-10-21 19:51:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:54,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:54,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:54,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416376249] [2021-10-21 19:51:54,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416376249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:54,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:54,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:54,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421445971] [2021-10-21 19:51:54,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:54,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:54,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:54,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:54,198 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-10-21 19:51:54,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 114 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:51:54,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-10-21 19:51:54,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:51:54,335 INFO L129 PetriNetUnfolder]: 117/419 cut-off events. [2021-10-21 19:51:54,336 INFO L130 PetriNetUnfolder]: For 61/64 co-relation queries the response was YES. [2021-10-21 19:51:54,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 419 events. 117/419 cut-off events. For 61/64 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1711 event pairs, 88 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 760. Up to 211 conditions per place. [2021-10-21 19:51:54,340 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 32 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2021-10-21 19:51:54,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 123 transitions, 344 flow [2021-10-21 19:51:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 19:51:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2021-10-21 19:51:54,343 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8213507625272332 [2021-10-21 19:51:54,343 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2021-10-21 19:51:54,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2021-10-21 19:51:54,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:51:54,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2021-10-21 19:51:54,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,348 INFO L186 Difference]: Start difference. First operand has 127 places, 114 transitions, 248 flow. Second operand 3 states and 377 transitions. [2021-10-21 19:51:54,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 123 transitions, 344 flow [2021-10-21 19:51:54,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 337 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-21 19:51:54,353 INFO L242 Difference]: Finished difference. Result has 127 places, 118 transitions, 283 flow [2021-10-21 19:51:54,353 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=127, PETRI_TRANSITIONS=118} [2021-10-21 19:51:54,354 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-10-21 19:51:54,354 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 118 transitions, 283 flow [2021-10-21 19:51:54,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,355 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:54,355 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:54,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:51:54,356 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:54,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1531305961, now seen corresponding path program 1 times [2021-10-21 19:51:54,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:54,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392867879] [2021-10-21 19:51:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:54,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:54,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:54,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392867879] [2021-10-21 19:51:54,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392867879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:54,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:54,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:54,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609971970] [2021-10-21 19:51:54,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:54,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:54,506 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-10-21 19:51:54,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 118 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:51:54,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-10-21 19:51:54,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:51:54,654 INFO L129 PetriNetUnfolder]: 124/438 cut-off events. [2021-10-21 19:51:54,654 INFO L130 PetriNetUnfolder]: For 201/204 co-relation queries the response was YES. [2021-10-21 19:51:54,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 438 events. 124/438 cut-off events. For 201/204 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1812 event pairs, 92 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 901. Up to 223 conditions per place. [2021-10-21 19:51:54,659 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 34 selfloop transitions, 7 changer transitions 0/127 dead transitions. [2021-10-21 19:51:54,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 407 flow [2021-10-21 19:51:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 19:51:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2021-10-21 19:51:54,662 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8191721132897604 [2021-10-21 19:51:54,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2021-10-21 19:51:54,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2021-10-21 19:51:54,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:51:54,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2021-10-21 19:51:54,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,667 INFO L186 Difference]: Start difference. First operand has 127 places, 118 transitions, 283 flow. Second operand 3 states and 376 transitions. [2021-10-21 19:51:54,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 407 flow [2021-10-21 19:51:54,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 383 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-10-21 19:51:54,672 INFO L242 Difference]: Finished difference. Result has 129 places, 123 transitions, 329 flow [2021-10-21 19:51:54,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=129, PETRI_TRANSITIONS=123} [2021-10-21 19:51:54,673 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -14 predicate places. [2021-10-21 19:51:54,673 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 123 transitions, 329 flow [2021-10-21 19:51:54,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:51:54,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:51:54,674 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:51:54,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:51:54,674 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-10-21 19:51:54,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:54,675 INFO L82 PathProgramCache]: Analyzing trace with hash 453316761, now seen corresponding path program 1 times [2021-10-21 19:51:54,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:54,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616442177] [2021-10-21 19:51:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:54,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:51:54,784 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:51:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:51:54,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:51:54,937 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:51:54,938 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:51:54,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 19:51:54,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 19:51:54,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:51:54,954 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 19:51:54,955 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:51:55,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:51:55 BasicIcfg [2021-10-21 19:51:55,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:51:55,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:51:55,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:51:55,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:51:55,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:50" (3/4) ... [2021-10-21 19:51:55,101 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:51:55,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:51:55,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:51:55,230 INFO L168 Benchmark]: Toolchain (without parser) took 7139.48 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 90.7 MB in the beginning and 69.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,231 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:51:55,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.83 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 59.5 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.77 ms. Allocated memory is still 127.9 MB. Free memory was 59.5 MB in the beginning and 56.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,235 INFO L168 Benchmark]: Boogie Preprocessor took 98.48 ms. Allocated memory is still 127.9 MB. Free memory was 56.7 MB in the beginning and 53.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,235 INFO L168 Benchmark]: RCFGBuilder took 948.81 ms. Allocated memory is still 127.9 MB. Free memory was 53.9 MB in the beginning and 91.1 MB in the end (delta: -37.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,236 INFO L168 Benchmark]: TraceAbstraction took 4604.09 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 90.2 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,236 INFO L168 Benchmark]: Witness Printer took 131.16 ms. Allocated memory is still 176.2 MB. Free memory was 88.9 MB in the beginning and 69.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:55,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1220.83 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 59.5 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.77 ms. Allocated memory is still 127.9 MB. Free memory was 59.5 MB in the beginning and 56.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.48 ms. Allocated memory is still 127.9 MB. Free memory was 56.7 MB in the beginning and 53.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 948.81 ms. Allocated memory is still 127.9 MB. Free memory was 53.9 MB in the beginning and 91.1 MB in the end (delta: -37.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4604.09 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 90.2 MB in the beginning and 88.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. * Witness Printer took 131.16 ms. Allocated memory is still 176.2 MB. Free memory was 88.9 MB in the beginning and 69.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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; VAL [t1={8:0}, t2={9:0}] [L1739] 0 return 0; VAL [t1={8:0}, t2={9:0}] [L1745] 0 int ret = my_drv_init(); VAL [t1={8:0}, t2={9:0}] [L1746] COND TRUE 0 ret==0 VAL [t1={8:0}, t2={9:0}] [L1747] 0 int probe_ret; VAL [t1={8:0}, t2={9:0}] [L1748] 0 struct my_data data; VAL [t1={8:0}, t2={9:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={8:0}, t2={9:0}] [L1708] 0 data->shared.a = 0 VAL [t1={8:0}, t2={9:0}] [L1709] 0 data->shared.b = 0 VAL [t1={8:0}, t2={9:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={8:0}, t2={9:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={8:0}, t2={9:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={10:24}, t1={8:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1690] 1 struct my_data *data; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1715] 0 return 0; VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1749] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1721] 0 void *status; VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] 0 \read(t1) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1730] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 163 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4241.7ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2433.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 106.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 153 SDtfs, 182 SDslu, 279 SDs, 0 SdLazy, 427 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 507.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 251.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=2, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 50.5ms SsaConstructionTime, 345.1ms SatisfiabilityAnalysisTime, 735.3ms InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2021-10-21 19:51:55,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d815eb5d-ef78-4fec-a2aa-54aeed73a356/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...