./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- 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-2329fc7 [2022-12-14 16:04:02,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:04:02,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:04:02,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:04:02,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:04:02,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:04:02,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:04:02,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:04:02,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:04:02,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:04:02,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:04:02,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:04:02,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:04:02,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:04:02,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:04:02,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:04:02,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:04:02,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:04:02,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:04:02,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:04:02,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:04:02,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:04:02,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:04:02,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:04:02,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:04:02,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:04:02,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:04:02,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:04:02,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:04:02,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:04:02,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:04:02,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:04:02,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:04:02,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:04:02,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:04:02,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:04:02,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:04:02,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:04:02,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:04:02,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:04:02,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:04:02,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 16:04:02,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:04:02,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:04:02,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:04:02,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:04:02,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:04:02,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:04:02,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:04:02,653 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:04:02,653 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:04:02,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:04:02,653 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:04:02,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:04:02,653 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:04:02,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:04:02,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:04:02,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:04:02,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:04:02,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 16:04:02,655 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:04:02,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:02,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:04:02,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:04:02,657 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:04:02,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:04:02,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:04:02,657 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_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-12-14 16:04:02,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:04:02,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:04:02,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:04:02,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:04:02,837 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:04:02,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-12-14 16:04:05,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:04:05,719 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:04:05,720 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-12-14 16:04:05,730 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/data/a5522c735/f3d60fb1a4d54393afe5f8551523fd7c/FLAG884bd455b [2022-12-14 16:04:05,741 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/data/a5522c735/f3d60fb1a4d54393afe5f8551523fd7c [2022-12-14 16:04:05,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:04:05,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:04:05,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:05,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:04:05,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:04:05,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:05" (1/1) ... [2022-12-14 16:04:05,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fbb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:05, skipping insertion in model container [2022-12-14 16:04:05,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:05" (1/1) ... [2022-12-14 16:04:05,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:04:05,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:04:06,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:06,185 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:04:06,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:06,313 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:04:06,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06 WrapperNode [2022-12-14 16:04:06,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:06,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:06,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:04:06,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:04:06,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,366 INFO L138 Inliner]: procedures = 370, calls = 41, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 185 [2022-12-14 16:04:06,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:06,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:04:06,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:04:06,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:04:06,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:04:06,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:04:06,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:04:06,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:04:06,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (1/1) ... [2022-12-14 16:04:06,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:04:06,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:04:06,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c5f8918-887f-4625-8812-771c492567cb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:04:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:04:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:04:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:04:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:04:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 16:04:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 16:04:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:04:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:04:06,480 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 16:04:06,618 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:04:06,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:04:07,054 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:04:07,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:04:07,064 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:04:07,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:04:07 BoogieIcfgContainer [2022-12-14 16:04:07,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:04:07,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:04:07,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:04:07,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:04:07,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:04:05" (1/3) ... [2022-12-14 16:04:07,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72dd9f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:04:07, skipping insertion in model container [2022-12-14 16:04:07,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:06" (2/3) ... [2022-12-14 16:04:07,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72dd9f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:04:07, skipping insertion in model container [2022-12-14 16:04:07,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:04:07" (3/3) ... [2022-12-14 16:04:07,073 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc-deref.i [2022-12-14 16:04:07,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:04:07,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2022-12-14 16:04:07,087 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 16:04:07,152 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 16:04:07,177 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:04:07,188 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 319 transitions, 643 flow [2022-12-14 16:04:07,190 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 319 transitions, 643 flow [2022-12-14 16:04:07,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 319 transitions, 643 flow [2022-12-14 16:04:07,258 INFO L130 PetriNetUnfolder]: 5/318 cut-off events. [2022-12-14 16:04:07,258 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 16:04:07,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 318 events. 5/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 312 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2022-12-14 16:04:07,264 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-12-14 16:05:36,780 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 212 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:06:12,473 WARN L233 SmtUtils]: Spent 25.33s on a formula simplification. DAG size of input: 269 DAG size of output: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:06:19,468 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:06:36,922 WARN L233 SmtUtils]: Spent 17.45s on a formula simplification. DAG size of input: 266 DAG size of output: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:06:59,042 WARN L233 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 217 DAG size of output: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:07:14,620 WARN L233 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 212 DAG size of output: 209 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:08:09,532 WARN L233 SmtUtils]: Spent 46.85s on a formula simplification. DAG size of input: 277 DAG size of output: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:08:21,837 WARN L233 SmtUtils]: Spent 12.30s on a formula simplification that was a NOOP. DAG size: 235 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:08:51,264 WARN L233 SmtUtils]: Spent 29.42s on a formula simplification. DAG size of input: 274 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:04,127 WARN L233 SmtUtils]: Spent 12.86s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:28,743 WARN L233 SmtUtils]: Spent 24.61s on a formula simplification. DAG size of input: 282 DAG size of output: 279 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:09:39,759 WARN L233 SmtUtils]: Spent 11.01s on a formula simplification that was a NOOP. DAG size: 265 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:10:02,740 WARN L233 SmtUtils]: Spent 22.98s on a formula simplification. DAG size of input: 290 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:10:10,003 WARN L233 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 266 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:10:18,661 WARN L233 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 224 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:10:28,320 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 221 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:11:09,244 WARN L233 SmtUtils]: Spent 38.74s on a formula simplification. DAG size of input: 288 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:11:25,905 WARN L233 SmtUtils]: Spent 16.66s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:12:00,529 WARN L233 SmtUtils]: Spent 34.62s on a formula simplification. DAG size of input: 297 DAG size of output: 289 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:12:13,236 WARN L233 SmtUtils]: Spent 12.70s on a formula simplification that was a NOOP. DAG size: 273 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:13:09,195 WARN L233 SmtUtils]: Spent 55.78s on a formula simplification. DAG size of input: 326 DAG size of output: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:13:31,864 WARN L233 SmtUtils]: Spent 22.66s on a formula simplification that was a NOOP. DAG size: 282 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:14:24,686 WARN L233 SmtUtils]: Spent 52.82s on a formula simplification. DAG size of input: 319 DAG size of output: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:14:47,857 WARN L233 SmtUtils]: Spent 23.16s on a formula simplification that was a NOOP. DAG size: 276 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:03,097 WARN L233 SmtUtils]: Spent 15.13s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:09,657 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 226 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:24,441 WARN L233 SmtUtils]: Spent 14.78s on a formula simplification. DAG size of input: 265 DAG size of output: 247 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:31,173 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:51,294 WARN L233 SmtUtils]: Spent 20.12s on a formula simplification. DAG size of input: 277 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:15:58,908 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:16:12,540 WARN L233 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 270 DAG size of output: 253 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:16:19,012 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:17:06,430 WARN L233 SmtUtils]: Spent 46.86s on a formula simplification. DAG size of input: 321 DAG size of output: 305 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:17:28,404 WARN L233 SmtUtils]: Spent 21.96s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:18:08,719 WARN L233 SmtUtils]: Spent 40.31s on a formula simplification. DAG size of input: 314 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:18:28,087 WARN L233 SmtUtils]: Spent 19.36s on a formula simplification that was a NOOP. DAG size: 271 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)