./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:19:38,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:19:38,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:19:38,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:19:38,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:19:38,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:19:38,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:19:38,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:19:38,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:19:38,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:19:38,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:19:38,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:19:38,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:19:38,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:19:38,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:19:38,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:19:38,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:19:38,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:19:38,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:19:38,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:19:38,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:19:38,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:19:38,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:19:38,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:19:38,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:19:38,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:19:38,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:19:38,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:19:38,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:19:38,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:19:38,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:19:38,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:19:38,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:19:38,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:19:38,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:19:38,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:19:38,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:19:38,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:19:38,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:19:38,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:19:38,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:19:38,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 17:19:38,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:19:38,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:19:38,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:19:38,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:19:38,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:19:38,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:19:38,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:19:38,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:19:38,733 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:19:38,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:19:38,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:19:38,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:19:38,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:19:38,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:19:38,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:19:38,736 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:19:38,736 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:19:38,736 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:19:38,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:19:38,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:19:38,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:19:38,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:19:38,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:19:38,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:19:38,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:19:38,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:38,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:19:38,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:19:38,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:19:38,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:19:38,739 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2022-11-21 17:19:39,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:19:39,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:19:39,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:19:39,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:19:39,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:19:39,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:42,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:19:42,306 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:19:42,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:42,332 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/627ff3c35/4a181c230b4c4d0ca4fc80a22b4e13d4/FLAG16eaee5a9 [2022-11-21 17:19:42,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/627ff3c35/4a181c230b4c4d0ca4fc80a22b4e13d4 [2022-11-21 17:19:42,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:19:42,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:19:42,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:42,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:19:42,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:19:42,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c479c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42, skipping insertion in model container [2022-11-21 17:19:42,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:19:42,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:19:42,588 WARN L237 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-11-21 17:19:42,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:42,809 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:19:42,824 WARN L237 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-11-21 17:19:42,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:42,914 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:19:42,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42 WrapperNode [2022-11-21 17:19:42,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:42,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:42,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:19:42,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:19:42,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,956 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-21 17:19:42,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:42,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:19:42,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:19:42,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:19:42,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:42,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:19:42,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:19:42,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:19:42,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:19:42,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (1/1) ... [2022-11-21 17:19:43,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:43,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:19:43,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:19:43,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:19:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:19:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 17:19:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:19:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:19:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 17:19:43,086 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 17:19:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:19:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:19:43,088 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:19:43,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:19:43,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:19:43,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:19:43,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:19:43,491 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:19:43,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:43 BoogieIcfgContainer [2022-11-21 17:19:43,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:19:43,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:19:43,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:19:43,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:19:43,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:19:42" (1/3) ... [2022-11-21 17:19:43,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb018e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:43, skipping insertion in model container [2022-11-21 17:19:43,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:42" (2/3) ... [2022-11-21 17:19:43,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb018e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:43, skipping insertion in model container [2022-11-21 17:19:43,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:43" (3/3) ... [2022-11-21 17:19:43,502 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:43,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:19:43,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 17:19:43,534 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:19:43,596 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 17:19:43,640 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-21 17:19:43,656 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:43,666 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:43,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:43,729 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-11-21 17:19:43,730 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:19:43,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-11-21 17:19:43,736 INFO L119 LiptonReduction]: Number of co-enabled transitions 680 [2022-11-21 17:19:47,501 INFO L134 LiptonReduction]: Checked pairs total: 1605 [2022-11-21 17:19:47,501 INFO L136 LiptonReduction]: Total number of compositions: 78 [2022-11-21 17:19:47,510 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 47 flow [2022-11-21 17:19:47,526 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 64 states, 60 states have (on average 1.9) internal successors, (114), 63 states have internal predecessors, (114), 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) [2022-11-21 17:19:47,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:19:47,550 INFO L357 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@123538fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:19:47,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-21 17:19:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 60 states have (on average 1.9) internal successors, (114), 63 states have internal predecessors, (114), 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) [2022-11-21 17:19:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-21 17:19:47,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:47,557 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-21 17:19:47,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-21 17:19:47,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash 296, now seen corresponding path program 1 times [2022-11-21 17:19:47,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:47,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326152418] [2022-11-21 17:19:47,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:19:47,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:19:47,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326152418] [2022-11-21 17:19:47,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326152418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:19:47,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:19:47,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-21 17:19:47,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421617645] [2022-11-21 17:19:47,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:19:47,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:19:47,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:19:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:19:47,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:19:47,704 INFO L87 Difference]: Start difference. First operand has 64 states, 60 states have (on average 1.9) internal successors, (114), 63 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-21 17:19:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:19:47,737 INFO L93 Difference]: Finished difference Result 62 states and 112 transitions. [2022-11-21 17:19:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:19:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-21 17:19:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:19:47,747 INFO L225 Difference]: With dead ends: 62 [2022-11-21 17:19:47,748 INFO L226 Difference]: Without dead ends: 62 [2022-11-21 17:19:47,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:19:47,752 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:19:47,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:19:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-21 17:19:47,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-21 17:19:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.8666666666666667) internal successors, (112), 61 states have internal predecessors, (112), 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) [2022-11-21 17:19:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 112 transitions. [2022-11-21 17:19:47,799 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 112 transitions. Word has length 1 [2022-11-21 17:19:47,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:19:47,800 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 112 transitions. [2022-11-21 17:19:47,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-21 17:19:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2022-11-21 17:19:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 17:19:47,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:47,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:19:47,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:19:47,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-21 17:19:47,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:47,806 INFO L85 PathProgramCache]: Analyzing trace with hash 36763809, now seen corresponding path program 1 times [2022-11-21 17:19:47,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:47,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129574278] [2022-11-21 17:19:47,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:47,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:19:47,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:19:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:19:47,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:19:47,943 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:19:47,945 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-11-21 17:19:47,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-11-21 17:19:47,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-11-21 17:19:47,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-11-21 17:19:47,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-21 17:19:47,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:19:47,950 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:19:47,955 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:19:47,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:19:47,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:19:47 BasicIcfg [2022-11-21 17:19:47,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:19:47,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:19:47,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:19:47,975 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:19:47,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:43" (3/4) ... [2022-11-21 17:19:47,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:19:47,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:19:47,979 INFO L158 Benchmark]: Toolchain (without parser) took 5625.65ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 80.7MB in the beginning and 66.0MB in the end (delta: 14.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,980 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:19:47,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.68ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 61.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 125.8MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,981 INFO L158 Benchmark]: Boogie Preprocessor took 31.88ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 58.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:19:47,982 INFO L158 Benchmark]: RCFGBuilder took 503.88ms. Allocated memory is still 125.8MB. Free memory was 58.0MB in the beginning and 88.4MB in the end (delta: -30.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,983 INFO L158 Benchmark]: TraceAbstraction took 4477.42ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 88.0MB in the beginning and 67.1MB in the end (delta: 20.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,983 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 182.5MB. Free memory was 67.1MB in the beginning and 66.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:19:47,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.68ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 61.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 125.8MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.88ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 58.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.88ms. Allocated memory is still 125.8MB. Free memory was 58.0MB in the beginning and 88.4MB in the end (delta: -30.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4477.42ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 88.0MB in the beginning and 67.1MB in the end (delta: 20.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 182.5MB. Free memory was 67.1MB in the beginning and 66.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 86 PlacesBefore, 24 PlacesAfterwards, 84 TransitionsBefore, 21 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 6 FixpointIterations, 43 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 1605 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 839, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 473, independent: 427, independent conditional: 0, independent unconditional: 427, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 473, independent: 403, independent conditional: 0, independent unconditional: 403, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 245, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 839, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 473, unknown conditional: 0, unknown unconditional: 473] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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, 95 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-11-21 17:19:48,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:19:50,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:19:50,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:19:50,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:19:50,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:19:50,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:19:50,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:19:50,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:19:50,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:19:50,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:19:50,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:19:50,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:19:50,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:19:50,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:19:50,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:19:50,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:19:50,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:19:50,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:19:50,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:19:50,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:19:50,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:19:50,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:19:50,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:19:50,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:19:50,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:19:50,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:19:50,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:19:50,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:19:50,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:19:50,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:19:50,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:19:50,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:19:50,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:19:50,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:19:50,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:19:50,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:19:50,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:19:50,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:19:50,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:19:50,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:19:50,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:19:50,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-21 17:19:50,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:19:50,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:19:50,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:19:50,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:19:50,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:19:50,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:19:50,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:19:50,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:19:50,652 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:19:50,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:19:50,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:19:50,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:19:50,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:19:50,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:19:50,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:19:50,654 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:19:50,654 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:19:50,654 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:19:50,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:19:50,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:19:50,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:19:50,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:19:50,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:19:50,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:19:50,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:19:50,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:19:50,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:19:50,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:50,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:19:50,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:19:50,657 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:19:50,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:19:50,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:19:50,658 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2022-11-21 17:19:51,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:19:51,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:19:51,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:19:51,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:19:51,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:19:51,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:54,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:19:54,436 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:19:54,436 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:54,451 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/53f4d8189/8a45f45afedf4862b5a6eef324b35597/FLAG46b4f70ac [2022-11-21 17:19:54,465 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/data/53f4d8189/8a45f45afedf4862b5a6eef324b35597 [2022-11-21 17:19:54,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:19:54,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:19:54,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:54,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:19:54,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:19:54,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:54" (1/1) ... [2022-11-21 17:19:54,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b952b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:54, skipping insertion in model container [2022-11-21 17:19:54,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:54" (1/1) ... [2022-11-21 17:19:54,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:19:54,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:19:54,806 WARN L237 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-11-21 17:19:55,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:55,061 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:19:55,080 WARN L237 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_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-11-21 17:19:55,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:55,185 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:19:55,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55 WrapperNode [2022-11-21 17:19:55,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:55,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:55,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:19:55,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:19:55,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,260 INFO L138 Inliner]: procedures = 167, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-21 17:19:55,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:55,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:19:55,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:19:55,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:19:55,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:19:55,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:19:55,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:19:55,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:19:55,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (1/1) ... [2022-11-21 17:19:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:19:55,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:19:55,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:19:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 17:19:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:19:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:19:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 17:19:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 17:19:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:19:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 17:19:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:19:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 17:19:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:19:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:19:55,402 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:19:55,604 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:19:55,606 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:19:55,850 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:19:55,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:19:55,858 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:19:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:55 BoogieIcfgContainer [2022-11-21 17:19:55,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:19:55,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:19:55,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:19:55,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:19:55,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:19:54" (1/3) ... [2022-11-21 17:19:55,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892d893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:55, skipping insertion in model container [2022-11-21 17:19:55,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:55" (2/3) ... [2022-11-21 17:19:55,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892d893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:55, skipping insertion in model container [2022-11-21 17:19:55,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:55" (3/3) ... [2022-11-21 17:19:55,869 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-11-21 17:19:55,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:19:55,888 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 17:19:55,888 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:19:55,968 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 17:19:56,014 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-21 17:19:56,028 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:56,031 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:56,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 84 transitions, 173 flow [2022-11-21 17:19:56,096 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-11-21 17:19:56,097 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:19:56,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-11-21 17:19:56,102 INFO L119 LiptonReduction]: Number of co-enabled transitions 680 [2022-11-21 17:20:02,812 INFO L134 LiptonReduction]: Checked pairs total: 1915 [2022-11-21 17:20:02,812 INFO L136 LiptonReduction]: Total number of compositions: 79 [2022-11-21 17:20:02,820 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 22 transitions, 49 flow [2022-11-21 17:20:02,835 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 70 states, 66 states have (on average 1.893939393939394) internal successors, (125), 69 states have internal predecessors, (125), 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) [2022-11-21 17:20:02,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:20:02,859 INFO L357 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56ff4773, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:20:02,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-21 17:20:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 66 states have (on average 1.893939393939394) internal successors, (125), 69 states have internal predecessors, (125), 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) [2022-11-21 17:20:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-21 17:20:02,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:02,867 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-21 17:20:02,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-21 17:20:02,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:02,872 INFO L85 PathProgramCache]: Analyzing trace with hash 296, now seen corresponding path program 1 times [2022-11-21 17:20:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:20:02,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918966166] [2022-11-21 17:20:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:20:02,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:20:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 17:20:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:02,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 17:20:02,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:20:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:02,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:20:02,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:20:02,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918966166] [2022-11-21 17:20:02,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918966166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:02,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:02,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-21 17:20:02,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164471567] [2022-11-21 17:20:02,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:02,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:20:02,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:20:02,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:20:02,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:20:03,000 INFO L87 Difference]: Start difference. First operand has 70 states, 66 states have (on average 1.893939393939394) internal successors, (125), 69 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-21 17:20:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:20:03,057 INFO L93 Difference]: Finished difference Result 68 states and 123 transitions. [2022-11-21 17:20:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:20:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-21 17:20:03,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:20:03,067 INFO L225 Difference]: With dead ends: 68 [2022-11-21 17:20:03,068 INFO L226 Difference]: Without dead ends: 68 [2022-11-21 17:20:03,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:20:03,072 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:20:03,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:20:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-21 17:20:03,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-21 17:20:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.8636363636363635) internal successors, (123), 67 states have internal predecessors, (123), 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) [2022-11-21 17:20:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 123 transitions. [2022-11-21 17:20:03,108 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 123 transitions. Word has length 1 [2022-11-21 17:20:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:20:03,108 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 123 transitions. [2022-11-21 17:20:03,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-21 17:20:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2022-11-21 17:20:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 17:20:03,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:03,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-21 17:20:03,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:20:03,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:03,321 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2022-11-21 17:20:03,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash 122383112, now seen corresponding path program 1 times [2022-11-21 17:20:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:20:03,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795363063] [2022-11-21 17:20:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:03,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:03,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:20:03,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:20:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 17:20:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:20:03,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:20:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:20:03,493 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 17:20:03,493 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:20:03,495 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2022-11-21 17:20:03,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2022-11-21 17:20:03,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining) [2022-11-21 17:20:03,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2022-11-21 17:20:03,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-21 17:20:03,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:20:03,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:03,700 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:20:03,704 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:20:03,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:20:03,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:20:03 BasicIcfg [2022-11-21 17:20:03,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:20:03,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:20:03,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:20:03,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:20:03,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:55" (3/4) ... [2022-11-21 17:20:03,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:20:03,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:20:03,742 INFO L158 Benchmark]: Toolchain (without parser) took 9270.53ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 26.6MB in the beginning and 30.8MB in the end (delta: -4.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-11-21 17:20:03,743 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:03,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.10ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 26.3MB in the beginning and 42.5MB in the end (delta: -16.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:03,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.69ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 40.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:03,749 INFO L158 Benchmark]: Boogie Preprocessor took 38.14ms. Allocated memory is still 79.7MB. Free memory was 40.3MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:03,754 INFO L158 Benchmark]: RCFGBuilder took 560.36ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 45.2MB in the end (delta: -6.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-21 17:20:03,757 INFO L158 Benchmark]: TraceAbstraction took 7867.73ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 30.8MB in the end (delta: 14.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-21 17:20:03,758 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 96.5MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:03,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.10ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 26.3MB in the beginning and 42.5MB in the end (delta: -16.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.69ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 40.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.14ms. Allocated memory is still 79.7MB. Free memory was 40.3MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.36ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 45.2MB in the end (delta: -6.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7867.73ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 30.8MB in the end (delta: 14.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 96.5MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 86 PlacesBefore, 25 PlacesAfterwards, 84 TransitionsBefore, 22 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 1915 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 866, independent: 687, independent conditional: 0, independent unconditional: 687, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 463, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 866, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L682] 0 int g = 42; [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L694] 0 int r = __VERIFIER_nondet_int(); [L695] 0 int t; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={7:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L700] COND FALSE 0 !(\read(r)) [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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, 95 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3 ConjunctsInSsa, 1 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 could not prove your program: unable to determine feasibility of some traces [2022-11-21 17:20:03,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9287fe-f5d7-403d-93a4-aa3870cbe1f2/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample