./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 6b4ec56b 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_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/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_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 10:34:01,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:34:01,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:34:01,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:34:01,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:34:01,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:34:02,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:34:02,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:34:02,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:34:02,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:34:02,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:34:02,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:34:02,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:34:02,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:34:02,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:34:02,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:34:02,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:34:02,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:34:02,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:34:02,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:34:02,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:34:02,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:34:02,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:34:02,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:34:02,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:34:02,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:34:02,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:34:02,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:34:02,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:34:02,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:34:02,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:34:02,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:34:02,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:34:02,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:34:02,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:34:02,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:34:02,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:34:02,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:34:02,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:34:02,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:34:02,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:34:02,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-20 10:34:02,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:34:02,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:34:02,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:34:02,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:34:02,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:34:02,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:34:02,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:34:02,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:34:02,157 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:34:02,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:34:02,159 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:34:02,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:34:02,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:34:02,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:34:02,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:34:02,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 10:34:02,161 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 10:34:02,161 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 10:34:02,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:34:02,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:34:02,162 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:34:02,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:34:02,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:34:02,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:34:02,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:34:02,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:34:02,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:34:02,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:34:02,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:34:02,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:34:02,166 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_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-11-20 10:34:02,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:34:02,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:34:02,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:34:02,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:34:02,557 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:34:02,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-20 10:34:06,321 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:34:06,832 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:34:06,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-20 10:34:06,860 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/data/1390d5c67/9c1c98baaa5a4a3b862344428911f304/FLAG9237f5214 [2022-11-20 10:34:06,887 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/data/1390d5c67/9c1c98baaa5a4a3b862344428911f304 [2022-11-20 10:34:06,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:34:06,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:34:06,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:06,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:34:06,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:34:06,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:06" (1/1) ... [2022-11-20 10:34:06,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285c3632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:06, skipping insertion in model container [2022-11-20 10:34:06,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:06" (1/1) ... [2022-11-20 10:34:06,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:34:06,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:34:07,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:07,735 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:34:07,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:07,891 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:34:07,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07 WrapperNode [2022-11-20 10:34:07,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:07,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:07,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:34:07,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:34:07,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:07,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:07,982 INFO L138 Inliner]: procedures = 370, calls = 42, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 196 [2022-11-20 10:34:07,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:07,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:34:07,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:34:07,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:34:07,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:34:08,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:34:08,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:34:08,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:34:08,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (1/1) ... [2022-11-20 10:34:08,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:34:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:34:08,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:34:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f3970fc-8b07-42c6-8f73-6015225551b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:34:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:34:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:34:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:34:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:34:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:34:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 10:34:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:34:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:34:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:34:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 10:34:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 10:34:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:34:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:34:08,192 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:34:08,460 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:34:08,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:34:09,401 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:34:09,414 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:34:09,415 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:34:09,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:09 BoogieIcfgContainer [2022-11-20 10:34:09,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:34:09,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:34:09,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:34:09,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:34:09,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:34:06" (1/3) ... [2022-11-20 10:34:09,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e66520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:34:09, skipping insertion in model container [2022-11-20 10:34:09,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:07" (2/3) ... [2022-11-20 10:34:09,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e66520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:34:09, skipping insertion in model container [2022-11-20 10:34:09,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:09" (3/3) ... [2022-11-20 10:34:09,429 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-11-20 10:34:09,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:34:09,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-11-20 10:34:09,455 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:34:09,598 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:34:09,641 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 10:34:09,659 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 338 transitions, 681 flow [2022-11-20 10:34:09,663 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 338 transitions, 681 flow [2022-11-20 10:34:09,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 338 transitions, 681 flow [2022-11-20 10:34:09,802 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-11-20 10:34:09,802 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:34:09,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 337 events. 5/337 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. 0/251 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2022-11-20 10:34:09,813 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-20 10:35:13,879 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 195 DAG size of output: 189 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:35:31,490 WARN L233 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 211 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:35:39,762 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 208 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:37:47,401 WARN L233 SmtUtils]: Spent 1.43m on a formula simplification. DAG size of input: 294 DAG size of output: 284 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:38:18,695 WARN L233 SmtUtils]: Spent 31.29s 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) [2022-11-20 10:39:39,625 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 292 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:40:15,155 WARN L233 SmtUtils]: Spent 35.52s 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) [2022-11-20 10:40:27,560 WARN L233 SmtUtils]: Spent 12.20s on a formula simplification. DAG size of input: 227 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:40:34,511 WARN L233 SmtUtils]: Spent 6.95s 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) [2022-11-20 10:40:45,970 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 224 DAG size of output: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:40:52,758 WARN L233 SmtUtils]: Spent 6.79s 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) [2022-11-20 10:41:23,487 WARN L233 SmtUtils]: Spent 30.73s on a formula simplification. DAG size of input: 241 DAG size of output: 235 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:41:37,190 WARN L233 SmtUtils]: Spent 13.70s 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) [2022-11-20 10:42:00,069 WARN L233 SmtUtils]: Spent 22.88s on a formula simplification. DAG size of input: 238 DAG size of output: 232 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:42:15,621 WARN L233 SmtUtils]: Spent 15.55s 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) [2022-11-20 10:42:32,029 WARN L233 SmtUtils]: Spent 16.37s on a formula simplification. DAG size of input: 222 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:42:38,337 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:42:50,270 WARN L233 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 219 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:42:55,471 WARN L233 SmtUtils]: Spent 5.20s 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)