./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro --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 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-8393723 [2022-11-18 20:56:55,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:56:55,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:56:56,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:56:56,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:56:56,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:56:56,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:56:56,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:56:56,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:56:56,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:56:56,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:56:56,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:56:56,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:56:56,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:56:56,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:56:56,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:56:56,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:56:56,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:56:56,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:56:56,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:56:56,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:56:56,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:56:56,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:56:56,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:56:56,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:56:56,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:56:56,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:56:56,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:56:56,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:56:56,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:56:56,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:56:56,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:56:56,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:56:56,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:56:56,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:56:56,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:56:56,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:56:56,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:56:56,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:56:56,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:56:56,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:56:56,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 20:56:56,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:56:56,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:56:56,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:56:56,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:56:56,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:56:56,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:56:56,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:56:56,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:56:56,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:56:56,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:56:56,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:56:56,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:56:56,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:56:56,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:56:56,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:56:56,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:56:56,115 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:56:56,115 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:56:56,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:56:56,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:56:56,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:56:56,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:56:56,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:56:56,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:56:56,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:56:56,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:56:56,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:56:56,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:56:56,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:56:56,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:56:56,121 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_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-18 20:56:56,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:56:56,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:56:56,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:56:56,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:56:56,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:56:56,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-18 20:56:56,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/75c618f8f/fbdff03dba3e4a7aaa7e57e88647939d/FLAG6787e7b73 [2022-11-18 20:56:57,118 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:56:57,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-18 20:56:57,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/75c618f8f/fbdff03dba3e4a7aaa7e57e88647939d/FLAG6787e7b73 [2022-11-18 20:56:57,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/75c618f8f/fbdff03dba3e4a7aaa7e57e88647939d [2022-11-18 20:56:57,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:56:57,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:56:57,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:56:57,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:56:57,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:56:57,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4702558a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57, skipping insertion in model container [2022-11-18 20:56:57,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:56:57,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:56:58,111 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:56:58,111 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:56:58,112 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:56:58,112 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:56:58,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:56:58,193 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) [2022-11-18 20:56:58,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a735424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:58, skipping insertion in model container [2022-11-18 20:56:58,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:56:58,195 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 20:56:58,196 INFO L158 Benchmark]: Toolchain (without parser) took 779.64ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 102.1MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:56:58,197 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:56:58,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.94ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 102.1MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:56:58,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.94ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 102.1MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro --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 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-8393723 [2022-11-18 20:57:00,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:57:00,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:57:00,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:57:00,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:57:00,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:57:00,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:57:00,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:57:00,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:57:00,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:57:00,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:57:00,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:57:00,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:57:00,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:57:00,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:57:00,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:57:00,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:57:00,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:57:00,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:57:00,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:57:00,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:57:00,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:57:00,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:57:00,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:57:00,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:57:00,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:57:00,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:57:00,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:57:00,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:57:00,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:57:00,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:57:00,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:57:00,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:57:00,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:57:00,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:57:00,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:57:00,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:57:00,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:57:00,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:57:00,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:57:00,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:57:00,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 20:57:00,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:57:00,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:57:00,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:57:00,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:57:00,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:57:00,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:57:00,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:57:00,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:57:00,664 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:57:00,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:57:00,666 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:57:00,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:57:00,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:57:00,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:57:00,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:57:00,667 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:57:00,667 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:57:00,668 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:57:00,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:57:00,668 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:57:00,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:57:00,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:57:00,669 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:57:00,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:57:00,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:57:00,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:57:00,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:57:00,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:57:00,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:57:00,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:57:00,671 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:57:00,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:57:00,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:57:00,672 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_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-18 20:57:01,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:57:01,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:57:01,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:57:01,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:57:01,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:57:01,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-18 20:57:01,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/104aa8c47/0558487f5d4c43129442e217e402c65c/FLAGf77866a2b [2022-11-18 20:57:01,954 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:57:01,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-18 20:57:01,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/104aa8c47/0558487f5d4c43129442e217e402c65c/FLAGf77866a2b [2022-11-18 20:57:02,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/data/104aa8c47/0558487f5d4c43129442e217e402c65c [2022-11-18 20:57:02,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:57:02,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:57:02,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:57:02,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:57:02,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:57:02,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:57:02" (1/1) ... [2022-11-18 20:57:02,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539022d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:02, skipping insertion in model container [2022-11-18 20:57:02,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:57:02" (1/1) ... [2022-11-18 20:57:02,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:57:02,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:57:02,980 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:02,981 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:02,982 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:02,983 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:57:03,077 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 20:57:03,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:57:03,138 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,139 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,144 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,145 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:57:03,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:57:03,255 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,255 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,256 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,256 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 20:57:03,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:57:03,341 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:57:03,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03 WrapperNode [2022-11-18 20:57:03,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:57:03,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:57:03,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:57:03,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:57:03,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,439 INFO L138 Inliner]: procedures = 275, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 126 [2022-11-18 20:57:03,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:57:03,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:57:03,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:57:03,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:57:03,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:57:03,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:57:03,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:57:03,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:57:03,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (1/1) ... [2022-11-18 20:57:03,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:57:03,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:57:03,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:57:03,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9657e9d-3d64-45df-83c3-3b2b10b594a7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:57:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:57:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-18 20:57:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-18 20:57:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:57:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:57:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:57:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:57:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:57:03,636 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:57:03,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:57:03,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:57:04,632 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:57:04,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:57:04,646 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:57:04,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:57:04 BoogieIcfgContainer [2022-11-18 20:57:04,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:57:04,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:57:04,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:57:04,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:57:04,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:57:02" (1/3) ... [2022-11-18 20:57:04,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22593699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:57:04, skipping insertion in model container [2022-11-18 20:57:04,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:57:03" (2/3) ... [2022-11-18 20:57:04,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22593699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:57:04, skipping insertion in model container [2022-11-18 20:57:04,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:57:04" (3/3) ... [2022-11-18 20:57:04,676 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-11-18 20:57:04,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:57:04,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-18 20:57:04,697 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:57:04,919 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:57:04,966 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 20:57:04,984 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-18 20:57:04,987 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-18 20:57:04,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 231 transitions, 472 flow [2022-11-18 20:57:05,088 INFO L130 PetriNetUnfolder]: 15/229 cut-off events. [2022-11-18 20:57:05,088 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:57:05,096 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. [2022-11-18 20:57:05,103 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-18 20:59:45,822 WARN L233 SmtUtils]: Spent 12.13s 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) [2022-11-18 20:59:55,259 WARN L233 SmtUtils]: Spent 9.44s 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) [2022-11-18 21:00:09,653 WARN L233 SmtUtils]: Spent 14.39s 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) [2022-11-18 21:00:20,920 WARN L233 SmtUtils]: Spent 11.27s 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) [2022-11-18 21:00:42,428 WARN L233 SmtUtils]: Spent 21.50s 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) [2022-11-18 21:01:06,664 WARN L233 SmtUtils]: Spent 24.23s 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) [2022-11-18 21:01:29,064 WARN L233 SmtUtils]: Spent 22.40s 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) [2022-11-18 21:01:42,789 WARN L233 SmtUtils]: Spent 13.72s 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) [2022-11-18 21:02:03,074 WARN L233 SmtUtils]: Spent 18.42s 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) [2022-11-18 21:02:10,620 WARN L233 SmtUtils]: Spent 7.54s 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) [2022-11-18 21:02:29,492 WARN L233 SmtUtils]: Spent 18.87s 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) [2022-11-18 21:02:39,945 WARN L233 SmtUtils]: Spent 10.45s 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) [2022-11-18 21:02:52,434 WARN L233 SmtUtils]: Spent 12.49s 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) [2022-11-18 21:02:59,315 WARN L233 SmtUtils]: Spent 6.88s 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) [2022-11-18 21:03:13,404 WARN L233 SmtUtils]: Spent 14.09s 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) [2022-11-18 21:03:20,133 WARN L233 SmtUtils]: Spent 6.73s 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) [2022-11-18 21:03:34,840 WARN L233 SmtUtils]: Spent 14.69s 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) [2022-11-18 21:03:42,252 WARN L233 SmtUtils]: Spent 7.41s 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) [2022-11-18 21:03:58,846 WARN L233 SmtUtils]: Spent 16.59s 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) [2022-11-18 21:04:07,118 WARN L233 SmtUtils]: Spent 8.27s 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) [2022-11-18 21:04:26,269 WARN L233 SmtUtils]: Spent 17.76s 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) [2022-11-18 21:04:33,076 WARN L233 SmtUtils]: Spent 6.81s 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) [2022-11-18 21:04:48,948 WARN L233 SmtUtils]: Spent 15.87s 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) [2022-11-18 21:04:56,893 WARN L233 SmtUtils]: Spent 7.94s 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) [2022-11-18 21:07:22,643 WARN L233 SmtUtils]: Spent 2.43m 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) [2022-11-18 21:08:27,905 WARN L233 SmtUtils]: Spent 1.09m 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) [2022-11-18 21:10:39,565 WARN L233 SmtUtils]: Spent 2.19m 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) [2022-11-18 21:11:44,370 WARN L233 SmtUtils]: Spent 1.08m 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)