./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 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_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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 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-8393723 [2022-11-18 19:54:08,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:54:08,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:54:08,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:54:08,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:54:08,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:54:08,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:54:08,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:54:08,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:54:08,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:54:08,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:54:08,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:54:08,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:54:08,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:54:08,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:54:08,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:54:08,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:54:08,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:54:08,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:54:08,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:54:08,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:54:08,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:54:08,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:54:08,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:54:08,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:54:08,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:54:08,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:54:08,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:54:08,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:54:08,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:54:08,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:54:08,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:54:08,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:54:08,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:54:08,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:54:08,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:54:08,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:54:08,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:54:08,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:54:08,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:54:08,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:54:08,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 19:54:08,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:54:08,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:54:08,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:54:08,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:54:08,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:54:08,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:54:08,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:54:08,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:54:08,689 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:54:08,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:54:08,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:54:08,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:54:08,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:54:08,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:54:08,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:54:08,690 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 19:54:08,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 19:54:08,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 19:54:08,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:54:08,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:54:08,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:54:08,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:54:08,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:54:08,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:54:08,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:54:08,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:54:08,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:54:08,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:54:08,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:54:08,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:54:08,694 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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-18 19:54:09,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:54:09,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:54:09,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:54:09,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:54:09,085 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:54:09,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-18 19:54:09,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/cd854fd4f/740b71b7196b4685b094d8c6e3fb7080/FLAG29a2bc44a [2022-11-18 19:54:09,973 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:54:09,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-18 19:54:10,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/cd854fd4f/740b71b7196b4685b094d8c6e3fb7080/FLAG29a2bc44a [2022-11-18 19:54:10,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/cd854fd4f/740b71b7196b4685b094d8c6e3fb7080 [2022-11-18 19:54:10,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:54:10,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:54:10,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:10,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:54:10,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:54:10,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:10" (1/1) ... [2022-11-18 19:54:10,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d89863d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:10, skipping insertion in model container [2022-11-18 19:54:10,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:10" (1/1) ... [2022-11-18 19:54:10,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:54:10,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:54:10,949 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:10,950 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:10,952 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:10,954 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:11,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:11,046 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 19:54:11,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5009032f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:11, skipping insertion in model container [2022-11-18 19:54:11,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:11,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:54:11,053 INFO L158 Benchmark]: Toolchain (without parser) took 886.02ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 81.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:54:11,053 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:54:11,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.03ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 81.0MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:54:11,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.03ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 81.0MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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 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-8393723 [2022-11-18 19:54:13,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:54:13,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:54:13,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:54:13,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:54:13,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:54:13,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:54:13,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:54:13,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:54:13,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:54:13,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:54:13,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:54:13,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:54:13,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:54:13,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:54:13,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:54:13,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:54:13,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:54:13,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:54:13,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:54:13,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:54:13,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:54:13,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:54:13,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:54:13,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:54:13,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:54:13,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:54:13,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:54:13,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:54:13,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:54:13,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:54:13,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:54:13,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:54:13,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:54:13,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:54:13,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:54:13,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:54:13,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:54:13,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:54:13,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:54:13,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:54:13,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 19:54:13,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:54:13,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:54:13,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:54:13,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:54:13,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:54:13,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:54:13,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:54:13,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:54:13,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:54:13,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:54:13,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:54:13,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:54:13,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:54:13,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:54:13,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:54:13,778 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 19:54:13,778 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 19:54:13,779 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 19:54:13,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:54:13,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:54:13,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:54:13,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:54:13,780 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:54:13,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:54:13,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:54:13,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:54:13,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:54:13,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:54:13,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:54:13,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:54:13,782 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:54:13,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:54:13,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:54:13,783 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_2aa72085-bd27-48e1-ba01-33744f8f5e39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-18 19:54:14,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:54:14,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:54:14,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:54:14,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:54:14,277 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:54:14,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-18 19:54:14,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/ab4de5388/b0f73381424d4ec99d81c271f8f25adf/FLAG12510d199 [2022-11-18 19:54:15,064 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:54:15,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-18 19:54:15,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/ab4de5388/b0f73381424d4ec99d81c271f8f25adf/FLAG12510d199 [2022-11-18 19:54:15,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/data/ab4de5388/b0f73381424d4ec99d81c271f8f25adf [2022-11-18 19:54:15,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:54:15,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:54:15,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:15,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:54:15,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:54:15,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:15" (1/1) ... [2022-11-18 19:54:15,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515afbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:15, skipping insertion in model container [2022-11-18 19:54:15,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:15" (1/1) ... [2022-11-18 19:54:15,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:54:15,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:54:15,956 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:15,957 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:15,959 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:15,961 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:15,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:16,021 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 19:54:16,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:54:16,067 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,068 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,068 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,069 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:16,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:54:16,128 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,128 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,129 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,130 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-18 19:54:16,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:16,232 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:54:16,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16 WrapperNode [2022-11-18 19:54:16,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:16,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:54:16,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:54:16,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:54:16,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,315 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 153 [2022-11-18 19:54:16,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:54:16,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:54:16,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:54:16,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:54:16,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:54:16,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:54:16,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:54:16,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:54:16,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (1/1) ... [2022-11-18 19:54:16,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:54:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:16,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:54:16,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa72085-bd27-48e1-ba01-33744f8f5e39/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:54:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 19:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-18 19:54:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-18 19:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 19:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 19:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:54:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:54:16,484 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 19:54:16,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:54:16,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:54:17,603 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:54:17,619 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:54:17,621 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:54:17,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:54:17 BoogieIcfgContainer [2022-11-18 19:54:17,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:54:17,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:54:17,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:54:17,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:54:17,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:54:15" (1/3) ... [2022-11-18 19:54:17,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c91819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:54:17, skipping insertion in model container [2022-11-18 19:54:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:16" (2/3) ... [2022-11-18 19:54:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c91819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:54:17, skipping insertion in model container [2022-11-18 19:54:17,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:54:17" (3/3) ... [2022-11-18 19:54:17,646 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-18 19:54:17,682 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:54:17,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-18 19:54:17,682 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:54:17,854 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 19:54:17,910 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 19:54:17,926 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-18 19:54:17,929 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-18 19:54:17,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 275 transitions, 560 flow [2022-11-18 19:54:18,069 INFO L130 PetriNetUnfolder]: 17/273 cut-off events. [2022-11-18 19:54:18,069 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:54:18,082 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. [2022-11-18 19:54:18,089 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-18 19:56:59,153 WARN L233 SmtUtils]: Spent 23.68s 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 19:57:23,993 WARN L233 SmtUtils]: Spent 24.84s 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 19:57:51,458 WARN L233 SmtUtils]: Spent 27.46s 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 19:58:11,651 WARN L233 SmtUtils]: Spent 20.19s 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 19:58:29,133 WARN L233 SmtUtils]: Spent 17.48s 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) [2022-11-18 19:58:44,379 WARN L233 SmtUtils]: Spent 15.24s 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) [2022-11-18 19:59:02,983 WARN L233 SmtUtils]: Spent 18.59s 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) [2022-11-18 19:59:18,762 WARN L233 SmtUtils]: Spent 15.78s 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) [2022-11-18 19:59:40,595 WARN L233 SmtUtils]: Spent 20.78s 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 19:59:50,820 WARN L233 SmtUtils]: Spent 10.22s 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 20:00:09,260 WARN L233 SmtUtils]: Spent 18.44s 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 20:00:16,884 WARN L233 SmtUtils]: Spent 7.62s 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 20:00:31,443 WARN L233 SmtUtils]: Spent 13.43s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:00:38,919 WARN L233 SmtUtils]: Spent 7.47s 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 20:00:55,864 WARN L233 SmtUtils]: Spent 16.94s 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 20:01:04,468 WARN L233 SmtUtils]: Spent 8.60s 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 20:01:20,223 WARN L233 SmtUtils]: Spent 15.54s 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 20:01:28,253 WARN L233 SmtUtils]: Spent 8.03s 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 20:01:45,370 WARN L233 SmtUtils]: Spent 17.11s 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 20:01:53,941 WARN L233 SmtUtils]: Spent 8.57s 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 20:02:14,189 WARN L233 SmtUtils]: Spent 19.17s 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) [2022-11-18 20:02:23,277 WARN L233 SmtUtils]: Spent 9.09s 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 20:02:42,598 WARN L233 SmtUtils]: Spent 19.32s 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 20:02:52,159 WARN L233 SmtUtils]: Spent 9.56s 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 20:05:22,677 WARN L233 SmtUtils]: Spent 2.48m 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 20:06:29,859 WARN L233 SmtUtils]: Spent 1.12m 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 20:08:42,994 WARN L233 SmtUtils]: Spent 2.22m 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)