./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 e04fb08f 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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:58:26,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:58:26,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:58:26,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:58:26,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:58:26,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:58:26,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:58:26,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:58:26,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:58:26,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:58:26,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:58:26,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:58:26,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:58:26,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:58:26,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:58:26,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:58:26,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:58:26,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:58:26,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:58:26,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:58:26,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:58:26,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:58:26,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:58:26,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:58:26,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:58:26,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:58:26,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:58:26,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:58:26,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:58:26,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:58:26,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:58:26,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:58:26,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:58:26,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:58:26,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:58:26,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:58:26,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:58:26,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:58:26,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:58:26,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:58:26,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:58:26,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 11:58:26,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:58:26,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:58:26,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:58:26,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:58:26,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:58:26,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:58:26,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:58:26,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:58:26,727 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:58:26,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:58:26,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:58:26,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:58:26,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:58:26,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:58:26,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:58:26,731 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:58:26,731 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:58:26,732 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:58:26,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:58:26,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:58:26,733 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:58:26,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:58:26,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:58:26,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:58:26,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:58:26,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:26,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:58:26,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:58:26,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:58:26,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:58:26,736 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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-16 11:58:27,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:58:27,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:58:27,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:58:27,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:58:27,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:58:27,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-16 11:58:27,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/37355ef72/2783df28e6be49e4a09037796693194a/FLAG2901f1abf [2022-11-16 11:58:27,948 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:58:27,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-16 11:58:27,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/37355ef72/2783df28e6be49e4a09037796693194a/FLAG2901f1abf [2022-11-16 11:58:28,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/37355ef72/2783df28e6be49e4a09037796693194a [2022-11-16 11:58:28,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:58:28,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:58:28,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:28,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:58:28,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:58:28,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:28" (1/1) ... [2022-11-16 11:58:28,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b937ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:28, skipping insertion in model container [2022-11-16 11:58:28,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:28" (1/1) ... [2022-11-16 11:58:28,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:58:28,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:28,881 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:28,884 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:28,885 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:28,886 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:28,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:28,938 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) [2022-11-16 11:58:28,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34dc62eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:28, skipping insertion in model container [2022-11-16 11:58:28,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:28,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:58:28,940 INFO L158 Benchmark]: Toolchain (without parser) took 764.89ms. Allocated memory is still 138.4MB. Free memory was 99.7MB in the beginning and 107.4MB in the end (delta: -7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:58:28,941 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:28,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.14ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 107.9MB in the end (delta: -8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:58:28,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.14ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 107.9MB in the end (delta: -8.5MB). Peak memory consumption was 12.6MB. 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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:58:31,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:58:31,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:58:31,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:58:31,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:58:31,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:58:31,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:58:31,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:58:31,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:58:31,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:58:31,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:58:31,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:58:31,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:58:31,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:58:31,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:58:31,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:58:31,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:58:31,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:58:31,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:58:31,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:58:31,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:58:31,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:58:31,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:58:31,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:58:31,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:58:31,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:58:31,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:58:31,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:58:31,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:58:31,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:58:31,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:58:31,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:58:31,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:58:31,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:58:31,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:58:31,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:58:31,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:58:31,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:58:31,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:58:31,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:58:31,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:58:31,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-16 11:58:31,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:58:31,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:58:31,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:58:31,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:58:31,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:58:31,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:58:31,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:58:31,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:58:31,539 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:58:31,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:58:31,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:58:31,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:58:31,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:58:31,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:58:31,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:58:31,542 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:58:31,542 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:58:31,542 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:58:31,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:58:31,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:58:31,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:58:31,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:58:31,543 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:58:31,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:58:31,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:58:31,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:58:31,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:58:31,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:31,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:58:31,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:58:31,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:58:31,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:58:31,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:58:31,546 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_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-16 11:58:31,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:58:31,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:58:31,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:58:31,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:58:31,933 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:58:31,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-16 11:58:32,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/8cbf26c1f/397b93a41b494fbca697a9d4ad3609e3/FLAG7f9244d22 [2022-11-16 11:58:32,862 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:58:32,862 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-16 11:58:32,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/8cbf26c1f/397b93a41b494fbca697a9d4ad3609e3/FLAG7f9244d22 [2022-11-16 11:58:33,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/data/8cbf26c1f/397b93a41b494fbca697a9d4ad3609e3 [2022-11-16 11:58:33,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:58:33,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:58:33,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:33,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:58:33,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:58:33,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:33" (1/1) ... [2022-11-16 11:58:33,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e00ca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:33, skipping insertion in model container [2022-11-16 11:58:33,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:33" (1/1) ... [2022-11-16 11:58:33,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:58:33,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:33,894 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,894 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,896 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,898 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:33,951 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 11:58:33,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:33,984 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,985 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,985 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,986 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:33,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:34,010 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:58:34,063 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:34,067 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:34,068 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:34,069 WARN L1554 CHandler]: Possible shadowing of function new [2022-11-16 11:58:34,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:34,192 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:58:34,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34 WrapperNode [2022-11-16 11:58:34,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:34,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:34,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:58:34,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:58:34,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,257 INFO L138 Inliner]: procedures = 275, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 126 [2022-11-16 11:58:34,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:34,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:58:34,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:58:34,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:58:34,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:58:34,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:58:34,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:58:34,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:58:34,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (1/1) ... [2022-11-16 11:58:34,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:34,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:58:34,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:58:34,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119dc9bd-0861-4256-8207-65762b8918a3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:58:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:58:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-16 11:58:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-16 11:58:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:58:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:58:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:58:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:58:34,392 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:58:34,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:58:34,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:58:35,448 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:58:35,466 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:58:35,474 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:58:35,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:35 BoogieIcfgContainer [2022-11-16 11:58:35,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:58:35,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:58:35,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:58:35,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:58:35,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:58:33" (1/3) ... [2022-11-16 11:58:35,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be42d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:35, skipping insertion in model container [2022-11-16 11:58:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:34" (2/3) ... [2022-11-16 11:58:35,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be42d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:35, skipping insertion in model container [2022-11-16 11:58:35,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:35" (3/3) ... [2022-11-16 11:58:35,489 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-11-16 11:58:35,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:58:35,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-16 11:58:35,513 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:58:35,665 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:58:35,706 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:58:35,724 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-16 11:58:35,728 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-16 11:58:35,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 231 transitions, 472 flow [2022-11-16 11:58:35,838 INFO L130 PetriNetUnfolder]: 15/229 cut-off events. [2022-11-16 11:58:35,838 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:58:35,850 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. [2022-11-16 11:58:35,856 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-16 12:01:01,877 WARN L233 SmtUtils]: Spent 9.46s 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) [2022-11-16 12:01:11,899 WARN L233 SmtUtils]: Spent 10.02s 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) [2022-11-16 12:01:24,605 WARN L233 SmtUtils]: Spent 12.70s 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) [2022-11-16 12:01:36,409 WARN L233 SmtUtils]: Spent 11.80s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:01:47,198 WARN L233 SmtUtils]: Spent 10.79s 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) [2022-11-16 12:02:08,418 WARN L233 SmtUtils]: Spent 21.22s 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) [2022-11-16 12:02:24,929 WARN L233 SmtUtils]: Spent 16.51s 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) [2022-11-16 12:02:44,966 WARN L233 SmtUtils]: Spent 20.03s 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) [2022-11-16 12:03:02,608 WARN L233 SmtUtils]: Spent 15.66s 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) [2022-11-16 12:03:09,523 WARN L233 SmtUtils]: Spent 6.91s 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) [2022-11-16 12:03:28,251 WARN L233 SmtUtils]: Spent 18.72s 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) [2022-11-16 12:03:37,169 WARN L233 SmtUtils]: Spent 8.92s 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) [2022-11-16 12:03:50,147 WARN L233 SmtUtils]: Spent 12.98s 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) [2022-11-16 12:03:56,382 WARN L233 SmtUtils]: Spent 6.23s 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) [2022-11-16 12:04:08,300 WARN L233 SmtUtils]: Spent 11.91s 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) [2022-11-16 12:04:14,527 WARN L233 SmtUtils]: Spent 6.22s 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) [2022-11-16 12:04:27,110 WARN L233 SmtUtils]: Spent 12.57s 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) [2022-11-16 12:04:33,827 WARN L233 SmtUtils]: Spent 6.72s 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) [2022-11-16 12:04:48,882 WARN L233 SmtUtils]: Spent 15.05s 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) [2022-11-16 12:04:55,845 WARN L233 SmtUtils]: Spent 6.96s 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) [2022-11-16 12:05:12,268 WARN L233 SmtUtils]: Spent 15.37s 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) [2022-11-16 12:05:19,362 WARN L233 SmtUtils]: Spent 7.09s 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) [2022-11-16 12:05:33,697 WARN L233 SmtUtils]: Spent 14.33s 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) [2022-11-16 12:05:41,167 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:07:42,978 WARN L233 SmtUtils]: Spent 2.03m 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) [2022-11-16 12:08:44,949 WARN L233 SmtUtils]: Spent 1.03m 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) [2022-11-16 12:11:07,763 WARN L233 SmtUtils]: Spent 2.38m 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) [2022-11-16 12:12:11,407 WARN L233 SmtUtils]: Spent 1.06m 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)