./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 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_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:27:43,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:27:43,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:27:43,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:27:43,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:27:43,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:27:43,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:27:43,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:27:43,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:27:43,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:27:43,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:27:43,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:27:43,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:27:43,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:27:43,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:27:43,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:27:43,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:27:43,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:27:43,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:27:43,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:27:43,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:27:44,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:27:44,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:27:44,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:27:44,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:27:44,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:27:44,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:27:44,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:27:44,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:27:44,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:27:44,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:27:44,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:27:44,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:27:44,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:27:44,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:27:44,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:27:44,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:27:44,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:27:44,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:27:44,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:27:44,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:27:44,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 17:27:44,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:27:44,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:27:44,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:27:44,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:27:44,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:27:44,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:27:44,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:27:44,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:27:44,058 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:27:44,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:27:44,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:27:44,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:27:44,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:27:44,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:27:44,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:27:44,060 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:27:44,060 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:27:44,060 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:27:44,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:27:44,061 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:27:44,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:27:44,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:27:44,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:27:44,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:27:44,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:27:44,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:44,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:27:44,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:27:44,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:27:44,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:27:44,063 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_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-21 17:27:44,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:27:44,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:27:44,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:27:44,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:27:44,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:27:44,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-21 17:27:47,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:27:47,787 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:27:47,787 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-21 17:27:47,806 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/b033fd583/07315e3a30394a40a2cda2fff57a4e7b/FLAGb2a2ad5c8 [2022-11-21 17:27:47,821 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/b033fd583/07315e3a30394a40a2cda2fff57a4e7b [2022-11-21 17:27:47,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:27:47,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:27:47,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:47,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:27:47,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:27:47,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:47" (1/1) ... [2022-11-21 17:27:47,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e79265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:47, skipping insertion in model container [2022-11-21 17:27:47,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:47" (1/1) ... [2022-11-21 17:27:47,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:27:47,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:48,369 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:48,369 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:48,370 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:48,370 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:48,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:48,423 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) [2022-11-21 17:27:48,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@421627f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:48, skipping insertion in model container [2022-11-21 17:27:48,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:48,425 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-21 17:27:48,430 INFO L158 Benchmark]: Toolchain (without parser) took 600.72ms. Allocated memory is still 140.5MB. Free memory was 108.1MB in the beginning and 92.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 17:27:48,431 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:27:48,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.40ms. Allocated memory is still 140.5MB. Free memory was 108.1MB in the beginning and 92.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 17:27:48,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.40ms. Allocated memory is still 140.5MB. Free memory was 108.1MB in the beginning and 92.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: 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_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:27:50,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:27:50,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:27:50,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:27:50,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:27:50,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:27:50,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:27:50,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:27:50,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:27:50,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:27:50,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:27:50,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:27:50,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:27:50,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:27:50,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:27:50,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:27:50,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:27:50,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:27:50,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:27:50,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:27:50,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:27:50,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:27:50,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:27:50,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:27:50,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:27:50,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:27:50,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:27:50,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:27:50,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:27:50,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:27:50,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:27:50,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:27:50,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:27:50,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:27:50,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:27:50,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:27:50,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:27:50,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:27:50,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:27:50,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:27:50,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:27:50,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-21 17:27:50,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:27:50,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:27:50,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:27:50,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:27:50,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:27:50,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:27:50,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:27:50,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:27:50,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:27:50,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:27:50,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:27:50,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:27:50,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:27:50,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:27:50,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:27:50,855 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 17:27:50,855 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 17:27:50,855 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 17:27:50,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:27:50,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:27:50,856 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:27:50,856 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:27:50,857 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:27:50,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:27:50,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:27:50,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:27:50,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:27:50,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:50,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:27:50,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:27:50,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:27:50,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:27:50,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:27:50,859 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_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-21 17:27:51,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:27:51,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:27:51,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:27:51,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:27:51,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:27:51,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-21 17:27:54,448 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:27:54,793 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:27:54,794 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-21 17:27:54,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/71e5b5ed6/daae35693a8f4c42b7351cf79bf4afe0/FLAGc9bf0e82a [2022-11-21 17:27:54,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/data/71e5b5ed6/daae35693a8f4c42b7351cf79bf4afe0 [2022-11-21 17:27:54,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:27:54,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:27:54,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:54,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:27:54,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:27:54,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:54" (1/1) ... [2022-11-21 17:27:54,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253fd20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:54, skipping insertion in model container [2022-11-21 17:27:54,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:54" (1/1) ... [2022-11-21 17:27:54,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:27:54,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:55,470 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,470 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,472 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,473 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:55,579 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 17:27:55,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:55,637 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,638 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,638 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,639 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:55,679 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:27:55,729 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,730 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,730 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,731 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-21 17:27:55,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:55,859 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:27:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55 WrapperNode [2022-11-21 17:27:55,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:55,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:55,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:27:55,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:27:55,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:55,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:55,955 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 153 [2022-11-21 17:27:55,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:55,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:27:55,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:27:55,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:27:55,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:55,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:55,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:55,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:27:56,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:27:56,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:27:56,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:27:56,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (1/1) ... [2022-11-21 17:27:56,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:56,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:27:56,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f3399d-e97e-4b3d-bf29-0e9703b1ac94/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:27:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 17:27:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-21 17:27:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:27:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:27:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:27:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:27:56,109 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:27:56,279 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:27:56,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:27:57,193 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:27:57,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:27:57,202 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 17:27:57,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:27:57 BoogieIcfgContainer [2022-11-21 17:27:57,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:27:57,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:27:57,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:27:57,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:27:57,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:27:54" (1/3) ... [2022-11-21 17:27:57,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:27:57, skipping insertion in model container [2022-11-21 17:27:57,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:55" (2/3) ... [2022-11-21 17:27:57,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:27:57, skipping insertion in model container [2022-11-21 17:27:57,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:27:57" (3/3) ... [2022-11-21 17:27:57,214 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-21 17:27:57,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:27:57,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-21 17:27:57,235 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:27:57,351 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 17:27:57,408 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-21 17:27:57,427 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-21 17:27:57,430 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-21 17:27:57,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 275 transitions, 560 flow [2022-11-21 17:27:57,585 INFO L130 PetriNetUnfolder]: 17/273 cut-off events. [2022-11-21 17:27:57,585 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:27:57,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 273 events. 17/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 736 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2022-11-21 17:27:57,602 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-21 17:30:19,947 WARN L233 SmtUtils]: Spent 21.01s 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) [2022-11-21 17:30:36,825 WARN L233 SmtUtils]: Spent 16.88s 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) [2022-11-21 17:30:57,873 WARN L233 SmtUtils]: Spent 21.04s 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) [2022-11-21 17:31:12,052 WARN L233 SmtUtils]: Spent 14.18s 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) [2022-11-21 17:31:25,747 WARN L233 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:31:35,052 WARN L233 SmtUtils]: Spent 9.30s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:31:45,855 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:31:58,642 WARN L233 SmtUtils]: Spent 12.78s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:32:17,439 WARN L233 SmtUtils]: Spent 17.88s 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) [2022-11-21 17:32:25,931 WARN L233 SmtUtils]: Spent 8.49s 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) [2022-11-21 17:32:42,629 WARN L233 SmtUtils]: Spent 16.70s 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) [2022-11-21 17:32:50,776 WARN L233 SmtUtils]: Spent 8.15s 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) [2022-11-21 17:33:04,456 WARN L233 SmtUtils]: Spent 12.95s 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) [2022-11-21 17:33:20,672 WARN L233 SmtUtils]: Spent 11.28s 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) [2022-11-21 17:33:25,856 WARN L233 SmtUtils]: Spent 5.18s 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) [2022-11-21 17:33:36,890 WARN L233 SmtUtils]: Spent 10.88s 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) [2022-11-21 17:33:43,239 WARN L233 SmtUtils]: Spent 6.35s 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) [2022-11-21 17:33:54,795 WARN L233 SmtUtils]: Spent 11.55s 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) [2022-11-21 17:34:00,076 WARN L233 SmtUtils]: Spent 5.28s 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) [2022-11-21 17:34:13,974 WARN L233 SmtUtils]: Spent 13.17s 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) [2022-11-21 17:34:20,543 WARN L233 SmtUtils]: Spent 6.57s 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) [2022-11-21 17:34:38,315 WARN L233 SmtUtils]: Spent 17.77s 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) [2022-11-21 17:34:44,789 WARN L233 SmtUtils]: Spent 6.47s 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) [2022-11-21 17:36:49,370 WARN L233 SmtUtils]: Spent 2.05m 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) [2022-11-21 17:37:46,982 WARN L233 SmtUtils]: Spent 57.61s 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) [2022-11-21 17:39:57,725 WARN L233 SmtUtils]: Spent 2.18m 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) [2022-11-21 17:41:08,212 WARN L233 SmtUtils]: Spent 1.17m 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)