./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD --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 20dae7273c9ad3a6d355b75e8e9c34bab889233eade1dd1c1fdade38b25749cb ............................................................................................................................................................................................................................................................................................................................................................. 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-b2eff8b [2021-10-28 23:00:05,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:00:05,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:00:05,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:00:05,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:00:05,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:00:05,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:00:05,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:00:05,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:00:05,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:00:05,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:00:05,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:00:05,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:00:05,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:00:05,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:00:05,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:00:05,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:00:05,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:00:05,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:00:05,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:00:05,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:00:05,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:00:05,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:00:05,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:00:05,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:00:05,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:00:05,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:00:05,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:00:05,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:00:05,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:00:05,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:00:05,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:00:05,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:00:05,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:00:05,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:00:05,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:00:05,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:00:05,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:00:05,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:00:05,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:00:05,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:00:05,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:00:05,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:00:05,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:00:05,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:00:05,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:00:05,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:00:05,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:00:05,546 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:00:05,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:00:05,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:00:05,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:00:05,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:00:05,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:00:05,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:00:05,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:00:05,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:00:05,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:00:05,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:00:05,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:00:05,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:00:05,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:00:05,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:00:05,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:00:05,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:00:05,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:00:05,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:00:05,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:00:05,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:00:05,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:00:05,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:00:05,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:00:05,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:00:05,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:00:05,558 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_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20dae7273c9ad3a6d355b75e8e9c34bab889233eade1dd1c1fdade38b25749cb [2021-10-28 23:00:05,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:00:06,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:00:06,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:00:06,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:00:06,016 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:00:06,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 23:00:06,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/data/bb1e556cd/5af39684b95b4284865c18c2499ce8a3/FLAGaf5c13e0f [2021-10-28 23:00:06,758 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:00:06,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 23:00:06,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/data/bb1e556cd/5af39684b95b4284865c18c2499ce8a3/FLAGaf5c13e0f [2021-10-28 23:00:07,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/data/bb1e556cd/5af39684b95b4284865c18c2499ce8a3 [2021-10-28 23:00:07,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:00:07,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:00:07,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:07,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:00:07,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:00:07,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1986975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07, skipping insertion in model container [2021-10-28 23:00:07,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:00:07,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:00:07,354 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_e44e99fc-33fb-4770-977a-064c9560637f/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[836,849] [2021-10-28 23:00:07,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:07,581 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:00:07,594 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_e44e99fc-33fb-4770-977a-064c9560637f/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[836,849] [2021-10-28 23:00:07,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:07,724 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:00:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07 WrapperNode [2021-10-28 23:00:07,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:07,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:07,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:00:07,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:00:07,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:07,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:00:07,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:00:07,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:00:07,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:00:07,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:00:07,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:00:07,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:00:07,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (1/1) ... [2021-10-28 23:00:07,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:00:07,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:07,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:00:07,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:00:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:00:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 23:00:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:00:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 23:00:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 23:00:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:00:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:00:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:00:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:00:07,984 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:00:08,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:00:08,573 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:00:08,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:08 BoogieIcfgContainer [2021-10-28 23:00:08,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:00:08,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:00:08,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:00:08,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:00:08,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:00:07" (1/3) ... [2021-10-28 23:00:08,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35323499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:00:08, skipping insertion in model container [2021-10-28 23:00:08,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:07" (2/3) ... [2021-10-28 23:00:08,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35323499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:00:08, skipping insertion in model container [2021-10-28 23:00:08,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:08" (3/3) ... [2021-10-28 23:00:08,587 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2021-10-28 23:00:08,593 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:00:08,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:00:08,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:00:08,594 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:00:08,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,643 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,653 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:00:08,665 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 23:00:08,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:00:08,753 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 [2021-10-28 23:00:08,753 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 23:00:08,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 145 flow [2021-10-28 23:00:08,860 INFO L129 PetriNetUnfolder]: 2/69 cut-off events. [2021-10-28 23:00:08,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:00:08,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2021-10-28 23:00:08,865 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 70 transitions, 145 flow [2021-10-28 23:00:08,870 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 59 transitions, 121 flow [2021-10-28 23:00:08,890 INFO L129 PetriNetUnfolder]: 1/58 cut-off events. [2021-10-28 23:00:08,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:00:08,891 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:00:08,892 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] [2021-10-28 23:00:08,892 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:00:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:08,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1670117729, now seen corresponding path program 1 times [2021-10-28 23:00:08,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:08,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707701210] [2021-10-28 23:00:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:08,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:00:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:00:09,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:00:09,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707701210] [2021-10-28 23:00:09,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707701210] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:00:09,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:00:09,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:00:09,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771400040] [2021-10-28 23:00:09,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:00:09,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:00:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:00:09,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:00:09,534 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 70 [2021-10-28 23:00:09,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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) [2021-10-28 23:00:09,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:00:09,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 70 [2021-10-28 23:00:09,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:00:09,740 INFO L129 PetriNetUnfolder]: 9/116 cut-off events. [2021-10-28 23:00:09,740 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:00:09,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 116 events. 9/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 290 event pairs, 0 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 121. Up to 14 conditions per place. [2021-10-28 23:00:09,746 INFO L132 encePairwiseOnDemand]: 63/70 looper letters, 12 selfloop transitions, 3 changer transitions 8/71 dead transitions. [2021-10-28 23:00:09,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 189 flow [2021-10-28 23:00:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:00:09,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-28 23:00:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 365 transitions. [2021-10-28 23:00:09,774 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2021-10-28 23:00:09,775 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 365 transitions. [2021-10-28 23:00:09,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 365 transitions. [2021-10-28 23:00:09,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:00:09,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 365 transitions. [2021-10-28 23:00:09,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 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) [2021-10-28 23:00:09,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 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) [2021-10-28 23:00:09,805 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 70.0) internal successors, (490), 7 states have internal predecessors, (490), 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) [2021-10-28 23:00:09,808 INFO L186 Difference]: Start difference. First operand has 62 places, 59 transitions, 121 flow. Second operand 6 states and 365 transitions. [2021-10-28 23:00:09,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 189 flow [2021-10-28 23:00:09,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 71 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 23:00:09,829 INFO L242 Difference]: Finished difference. Result has 71 places, 59 transitions, 142 flow [2021-10-28 23:00:09,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=71, PETRI_TRANSITIONS=59} [2021-10-28 23:00:09,834 INFO L334 CegarLoopForPetriNet]: 62 programPoint places, 9 predicate places. [2021-10-28 23:00:09,834 INFO L470 AbstractCegarLoop]: Abstraction has has 71 places, 59 transitions, 142 flow [2021-10-28 23:00:09,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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) [2021-10-28 23:00:09,836 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:00:09,836 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] [2021-10-28 23:00:09,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:00:09,839 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:00:09,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1018265921, now seen corresponding path program 1 times [2021-10-28 23:00:09,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:09,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912538373] [2021-10-28 23:00:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:09,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:09,899 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:09,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:09,969 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:00:09,971 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:00:09,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:00:09,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:00:09,979 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:00:09,985 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:00:09,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:00:10,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:00:10 BasicIcfg [2021-10-28 23:00:10,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:00:10,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:00:10,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:00:10,035 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:00:10,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:08" (3/4) ... [2021-10-28 23:00:10,037 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:00:10,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:00:10,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:00:10,101 INFO L168 Benchmark]: Toolchain (without parser) took 3080.05 ms. Allocated memory is still 127.9 MB. Free memory was 91.9 MB in the beginning and 68.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,102 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:00:10,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.16 ms. Allocated memory is still 127.9 MB. Free memory was 91.4 MB in the beginning and 95.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.93 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 93.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,105 INFO L168 Benchmark]: Boogie Preprocessor took 47.63 ms. Allocated memory is still 127.9 MB. Free memory was 93.1 MB in the beginning and 91.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,105 INFO L168 Benchmark]: RCFGBuilder took 716.90 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 79.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,106 INFO L168 Benchmark]: TraceAbstraction took 1455.79 ms. Allocated memory is still 127.9 MB. Free memory was 79.4 MB in the beginning and 73.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,107 INFO L168 Benchmark]: Witness Printer took 65.13 ms. Allocated memory is still 127.9 MB. Free memory was 73.7 MB in the beginning and 68.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:10,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.16 ms. Allocated memory is still 127.9 MB. Free memory was 91.4 MB in the beginning and 95.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.93 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 93.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.63 ms. Allocated memory is still 127.9 MB. Free memory was 93.1 MB in the beginning and 91.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 716.90 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 79.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1455.79 ms. Allocated memory is still 127.9 MB. Free memory was 79.4 MB in the beginning and 73.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 65.13 ms. Allocated memory is still 127.9 MB. Free memory was 73.7 MB in the beginning and 68.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L676] 0 int g = 42; VAL [g=42] [L677] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, g=42] [L678] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={7:0}, B={9:0}, g=42] [L688] 0 int r = __VERIFIER_nondet_int(); VAL [A={7:0}, B={9:0}, g=42] [L689] 0 int t; VAL [A={7:0}, B={9:0}, g=42] [L690] 0 pthread_t id; VAL [A={7:0}, B={9:0}, g=42] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L694] COND TRUE 0 \read(r) VAL [A={7:0}, arg={0:0}, B={9:0}, g=42] [L695] 0 g = 17 VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L699] 0 t = g VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L13] COND TRUE 0 !(cond) VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] [L13] 0 reach_error() VAL [A={7:0}, arg={0:0}, B={9:0}, g=17] - UnprovableResult [Line: 691]: 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 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 15 SDslu, 30 SDs, 0 SdLazy, 22 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-10-28 23:00:10,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44e99fc-33fb-4770-977a-064c9560637f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...