./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 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_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW --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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- 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-4e7fbc6 [2022-11-23 14:55:19,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:55:19,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:55:19,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:55:19,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:55:19,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:55:19,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:55:19,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:55:19,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:55:19,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:55:19,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:55:19,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:55:19,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:55:19,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:55:19,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:55:19,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:55:19,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:55:19,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:55:19,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:55:19,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:55:19,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:55:19,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:55:19,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:55:19,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:55:19,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:55:19,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:55:19,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:55:19,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:55:19,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:55:19,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:55:19,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:55:19,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:55:19,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:55:19,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:55:19,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:55:19,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:55:19,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:55:19,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:55:19,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:55:19,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:55:19,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:55:19,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 14:55:19,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:55:19,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:55:19,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:55:19,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:55:19,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:55:19,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:55:19,882 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:55:19,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:55:19,882 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:55:19,883 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:55:19,884 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:55:19,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:55:19,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:55:19,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:55:19,884 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:55:19,885 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:55:19,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:55:19,885 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:55:19,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:55:19,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:55:19,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:55:19,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:55:19,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:55:19,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:55:19,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:55:19,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:55:19,889 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:55:19,889 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:55:19,889 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:55:19,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:55:19,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:55:19,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:55:19,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:55:19,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:55:19,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:55:19,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:55:19,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:55:19,891 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:55:19,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:55:19,892 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:55:19,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:55:19,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:55:19,892 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_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-23 14:55:20,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:55:20,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:55:20,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:55:20,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:55:20,227 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:55:20,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-23 14:55:23,330 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:55:23,652 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:55:23,653 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-23 14:55:23,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/f24b6a4d4/767c8abd6e894ee0bfb7a507a305c0a9/FLAG6ead27816 [2022-11-23 14:55:23,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/f24b6a4d4/767c8abd6e894ee0bfb7a507a305c0a9 [2022-11-23 14:55:23,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:55:23,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:55:23,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:55:23,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:55:23,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:55:23,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:23" (1/1) ... [2022-11-23 14:55:23,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3740c2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:23, skipping insertion in model container [2022-11-23 14:55:23,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:23" (1/1) ... [2022-11-23 14:55:23,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:55:23,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:55:24,296 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:24,297 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:24,298 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:24,300 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:24,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:55:24,373 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-23 14:55:24,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38c4a619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:24, skipping insertion in model container [2022-11-23 14:55:24,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:55:24,374 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:55:24,375 INFO L158 Benchmark]: Toolchain (without parser) took 688.86ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 97.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:55:24,376 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:55:24,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.32ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:55:24,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.32ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1038]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW --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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- 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-4e7fbc6 [2022-11-23 14:55:26,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:55:26,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:55:26,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:55:26,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:55:26,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:55:26,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:55:26,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:55:26,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:55:26,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:55:26,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:55:26,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:55:26,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:55:26,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:55:26,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:55:26,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:55:26,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:55:26,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:55:26,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:55:26,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:55:26,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:55:26,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:55:26,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:55:26,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:55:26,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:55:26,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:55:26,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:55:26,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:55:26,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:55:26,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:55:26,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:55:26,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:55:26,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:55:26,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:55:26,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:55:26,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:55:26,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:55:26,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:55:26,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:55:26,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:55:26,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:55:26,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-23 14:55:26,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:55:26,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:55:26,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:55:26,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:55:26,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:55:26,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:55:26,933 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:55:26,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:55:26,933 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:55:26,934 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:55:26,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:55:26,935 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:55:26,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:55:26,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:55:26,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:55:26,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:55:26,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:55:26,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:55:26,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:55:26,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:55:26,938 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:55:26,938 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:55:26,938 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:55:26,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:55:26,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:55:26,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:55:26,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:55:26,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:55:26,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:55:26,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:55:26,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:55:26,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:55:26,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:55:26,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:55:26,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:55:26,941 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:55:26,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:55:26,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:55:26,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:55:26,942 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-23 14:55:27,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:55:27,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:55:27,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:55:27,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:55:27,351 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:55:27,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-23 14:55:30,445 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:55:30,742 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:55:30,743 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-23 14:55:30,760 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/0ab1c7455/ba54bca80eef45e5ad8d348800d48173/FLAG3620a4945 [2022-11-23 14:55:30,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/data/0ab1c7455/ba54bca80eef45e5ad8d348800d48173 [2022-11-23 14:55:30,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:55:30,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:55:30,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:55:30,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:55:30,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:55:30,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:30" (1/1) ... [2022-11-23 14:55:30,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cadf967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:30, skipping insertion in model container [2022-11-23 14:55:30,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:30" (1/1) ... [2022-11-23 14:55:30,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:55:30,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:55:31,422 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,422 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,423 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,423 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:55:31,467 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 14:55:31,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:55:31,513 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,514 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,514 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,515 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:55:31,547 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:55:31,580 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,580 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,581 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,582 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:55:31,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:55:31,676 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:55:31,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31 WrapperNode [2022-11-23 14:55:31,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:55:31,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:55:31,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:55:31,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:55:31,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,768 INFO L138 Inliner]: procedures = 275, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 126 [2022-11-23 14:55:31,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:55:31,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:55:31,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:55:31,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:55:31,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:55:31,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:55:31,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:55:31,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:55:31,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (1/1) ... [2022-11-23 14:55:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:55:31,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:55:31,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:55:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0886435-9d42-4875-9d3a-88186db21575/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:55:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:55:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-23 14:55:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-23 14:55:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:55:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:55:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:55:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:55:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 14:55:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:55:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:55:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:55:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:55:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:55:31,908 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:55:32,087 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:55:32,089 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:55:32,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:55:32,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:55:32,920 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:55:32,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:32 BoogieIcfgContainer [2022-11-23 14:55:32,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:55:32,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:55:32,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:55:32,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:55:32,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:30" (1/3) ... [2022-11-23 14:55:32,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1c46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:32, skipping insertion in model container [2022-11-23 14:55:32,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:31" (2/3) ... [2022-11-23 14:55:32,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1c46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:32, skipping insertion in model container [2022-11-23 14:55:32,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:32" (3/3) ... [2022-11-23 14:55:32,932 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-11-23 14:55:32,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:55:32,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-23 14:55:32,952 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:55:33,086 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 14:55:33,129 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:55:33,145 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-23 14:55:33,148 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-23 14:55:33,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 231 transitions, 472 flow [2022-11-23 14:55:33,250 INFO L130 PetriNetUnfolder]: 15/229 cut-off events. [2022-11-23 14:55:33,250 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 14:55:33,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 229 events. 15/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 661 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2022-11-23 14:55:33,265 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-23 14:57:57,983 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:58:08,782 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:58:19,571 WARN L233 SmtUtils]: Spent 10.79s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:58:32,404 WARN L233 SmtUtils]: Spent 12.83s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:58:50,568 WARN L233 SmtUtils]: Spent 18.16s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:59:07,297 WARN L233 SmtUtils]: Spent 16.73s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:59:23,875 WARN L233 SmtUtils]: Spent 16.58s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:59:40,315 WARN L233 SmtUtils]: Spent 16.44s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:59:59,772 WARN L233 SmtUtils]: Spent 17.20s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:00:08,142 WARN L233 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:00:27,571 WARN L233 SmtUtils]: Spent 19.43s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:00:38,369 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:00:52,626 WARN L233 SmtUtils]: Spent 14.25s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:00,866 WARN L233 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:14,177 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:20,999 WARN L233 SmtUtils]: Spent 6.82s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:34,668 WARN L233 SmtUtils]: Spent 13.66s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:41,712 WARN L233 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:01:57,149 WARN L233 SmtUtils]: Spent 15.43s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:02:04,636 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:02:23,741 WARN L233 SmtUtils]: Spent 18.02s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:02:30,886 WARN L233 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:02:46,417 WARN L233 SmtUtils]: Spent 15.53s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:02:53,898 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:05:12,071 WARN L233 SmtUtils]: Spent 2.30m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:06:09,608 WARN L233 SmtUtils]: Spent 57.53s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:08:01,207 WARN L233 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:08:56,700 WARN L233 SmtUtils]: Spent 55.49s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)