./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8 --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 e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 --- 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-e04fb08 [2022-11-16 12:26:34,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:26:34,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:26:34,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:26:34,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:26:34,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:26:34,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:26:34,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:26:34,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:26:34,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:26:34,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:26:34,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:26:34,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:26:34,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:26:34,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:26:34,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:26:34,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:26:34,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:26:34,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:26:34,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:26:34,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:26:34,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:26:34,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:26:34,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:26:34,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:26:34,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:26:34,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:26:34,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:26:34,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:26:34,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:26:34,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:26:34,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:26:34,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:26:34,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:26:34,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:26:34,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:26:34,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:26:34,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:26:34,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:26:34,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:26:34,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:26:34,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 12:26:34,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:26:34,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:26:34,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:26:34,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:26:34,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:26:34,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:26:34,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:26:34,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:26:34,822 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:26:34,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:26:34,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:26:34,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:26:34,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:26:34,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:26:34,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:26:34,824 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:26:34,824 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:26:34,824 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:26:34,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:26:34,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:26:34,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:26:34,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:26:34,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:26:34,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:26:34,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:26:34,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:34,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:26:34,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:26:34,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:26:34,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:26:34,835 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_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-11-16 12:26:35,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:26:35,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:26:35,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:26:35,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:26:35,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:26:35,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-16 12:26:35,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/data/5f61da2e6/b0f6b837c6be4663848e069bde14d9ba/FLAG8c9d79a3c [2022-11-16 12:26:35,793 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:26:35,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-16 12:26:35,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/data/5f61da2e6/b0f6b837c6be4663848e069bde14d9ba/FLAG8c9d79a3c [2022-11-16 12:26:36,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/data/5f61da2e6/b0f6b837c6be4663848e069bde14d9ba [2022-11-16 12:26:36,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:26:36,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:26:36,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:36,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:26:36,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:26:36,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:36" (1/1) ... [2022-11-16 12:26:36,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26975a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:36, skipping insertion in model container [2022-11-16 12:26:36,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:36" (1/1) ... [2022-11-16 12:26:36,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:26:36,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:26:36,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:36,871 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:26:36,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:37,011 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:26:37,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37 WrapperNode [2022-11-16 12:26:37,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:37,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:37,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:26:37,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:26:37,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,077 INFO L138 Inliner]: procedures = 371, calls = 47, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 201 [2022-11-16 12:26:37,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:37,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:26:37,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:26:37,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:26:37,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,128 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:26:37,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:26:37,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:26:37,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:26:37,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (1/1) ... [2022-11-16 12:26:37,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:37,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:37,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef7f096-96ac-4ac3-8fa0-518bfb0fe274/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:26:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:26:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:26:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:26:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:26:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:26:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:26:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:26:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:26:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:26:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:26:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:26:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:26:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:26:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:26:37,226 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:26:37,416 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:26:37,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:26:38,157 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:26:38,168 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:26:38,168 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:26:38,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:38 BoogieIcfgContainer [2022-11-16 12:26:38,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:26:38,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:26:38,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:26:38,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:26:38,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:36" (1/3) ... [2022-11-16 12:26:38,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36dee8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:38, skipping insertion in model container [2022-11-16 12:26:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:37" (2/3) ... [2022-11-16 12:26:38,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36dee8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:38, skipping insertion in model container [2022-11-16 12:26:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:38" (3/3) ... [2022-11-16 12:26:38,181 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-11-16 12:26:38,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:26:38,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-11-16 12:26:38,200 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:26:38,332 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:26:38,370 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 12:26:38,385 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 343 transitions, 691 flow [2022-11-16 12:26:38,388 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 343 transitions, 691 flow [2022-11-16 12:26:38,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 342 places, 343 transitions, 691 flow [2022-11-16 12:26:38,539 INFO L130 PetriNetUnfolder]: 5/342 cut-off events. [2022-11-16 12:26:38,540 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:38,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 342 events. 5/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2022-11-16 12:26:38,554 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-16 12:28:23,921 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 199 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:28:34,205 WARN L233 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 199 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:28:44,051 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 176 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:29:11,877 WARN L233 SmtUtils]: Spent 18.35s on a formula simplification. DAG size of input: 244 DAG size of output: 242 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:29:18,774 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:29:36,710 WARN L233 SmtUtils]: Spent 17.93s on a formula simplification. DAG size of input: 247 DAG size of output: 245 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:29:43,412 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:30:02,891 WARN L233 SmtUtils]: Spent 19.48s on a formula simplification. DAG size of input: 239 DAG size of output: 237 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:30:09,214 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 205 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:30:23,666 WARN L233 SmtUtils]: Spent 14.45s on a formula simplification. DAG size of input: 242 DAG size of output: 240 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:30:58,884 WARN L233 SmtUtils]: Spent 30.39s on a formula simplification. DAG size of input: 258 DAG size of output: 256 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:31:10,946 WARN L233 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:31:45,577 WARN L233 SmtUtils]: Spent 34.63s on a formula simplification. DAG size of input: 261 DAG size of output: 259 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:31:57,081 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:32:15,363 WARN L233 SmtUtils]: Spent 18.27s on a formula simplification. DAG size of input: 268 DAG size of output: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:32:22,090 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:32:40,356 WARN L233 SmtUtils]: Spent 18.26s on a formula simplification. DAG size of input: 268 DAG size of output: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:32:47,745 WARN L233 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:33:52,310 WARN L233 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 323 DAG size of output: 303 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:34:10,052 WARN L233 SmtUtils]: Spent 17.73s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:35:20,924 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 326 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:35:41,593 WARN L233 SmtUtils]: Spent 20.66s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:35:51,056 WARN L233 SmtUtils]: Spent 9.46s on a formula simplification. DAG size of input: 217 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:36:01,345 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 217 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:36:13,628 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 222 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:36:26,199 WARN L233 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 222 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:37:32,183 WARN L233 SmtUtils]: Spent 52.63s on a formula simplification. DAG size of input: 318 DAG size of output: 297 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:37:48,883 WARN L233 SmtUtils]: Spent 16.69s on a formula simplification that was a NOOP. DAG size: 254 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:38:58,115 WARN L233 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 321 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:39:19,050 WARN L233 SmtUtils]: Spent 20.92s on a formula simplification that was a NOOP. DAG size: 257 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:40:04,557 WARN L233 SmtUtils]: Spent 45.35s on a formula simplification. DAG size of input: 274 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:40:18,931 WARN L233 SmtUtils]: Spent 14.37s on a formula simplification that was a NOOP. DAG size: 233 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:40:54,370 WARN L233 SmtUtils]: Spent 35.44s on a formula simplification. DAG size of input: 274 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:41:06,647 WARN L233 SmtUtils]: Spent 12.27s on a formula simplification that was a NOOP. DAG size: 233 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:41:17,789 WARN L233 SmtUtils]: Spent 11.14s on a formula simplification that was a NOOP. DAG size: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:41:27,790 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:41:41,400 WARN L233 SmtUtils]: Spent 13.61s on a formula simplification that was a NOOP. DAG size: 275 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:41:53,554 WARN L233 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)