./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:21:05,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:21:05,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:21:05,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:21:05,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:21:05,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:21:05,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:21:05,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:21:05,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:21:05,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:21:05,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:21:05,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:21:05,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:21:05,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:21:05,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:21:05,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:21:05,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:21:05,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:21:05,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:21:05,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:21:05,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:21:05,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:21:05,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:21:05,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:21:05,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:21:05,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:21:05,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:21:05,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:21:05,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:21:05,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:21:05,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:21:05,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:21:05,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:21:05,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:21:05,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:21:05,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:21:05,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:21:05,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:21:05,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:21:05,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:21:05,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:21:05,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:21:05,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:21:05,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:21:05,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:21:05,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:21:05,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:21:05,306 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:21:05,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:21:05,306 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:21:05,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:21:05,307 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:21:05,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:21:05,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:21:05,308 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:21:05,308 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:21:05,309 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:21:05,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:21:05,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:21:05,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:21:05,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:21:05,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:21:05,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:21:05,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:21:05,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:21:05,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:21:05,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:21:05,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:21:05,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:21:05,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:21:05,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:21:05,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:21:05,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:21:05,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:21:05,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:21:05,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:21:05,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:21:05,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:21:05,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:21:05,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:21:05,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:21:05,315 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2021-11-03 04:21:05,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:21:05,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:21:05,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:21:05,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:21:05,630 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:21:05,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-11-03 04:21:05,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/764a516a3/b691caaadb6f4ba09ebb12ade45abb0d/FLAGffda96f7e [2021-11-03 04:21:06,421 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:21:06,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-11-03 04:21:06,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/764a516a3/b691caaadb6f4ba09ebb12ade45abb0d/FLAGffda96f7e [2021-11-03 04:21:06,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/764a516a3/b691caaadb6f4ba09ebb12ade45abb0d [2021-11-03 04:21:06,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:21:06,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:21:06,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:21:06,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:21:06,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:21:06,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:21:06" (1/1) ... [2021-11-03 04:21:06,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff5de41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:06, skipping insertion in model container [2021-11-03 04:21:06,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:21:06" (1/1) ... [2021-11-03 04:21:06,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:21:06,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:21:06,916 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-03 04:21:07,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-11-03 04:21:07,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:21:07,448 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 04:21:07,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d795b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:07, skipping insertion in model container [2021-11-03 04:21:07,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:21:07,449 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:21:07,451 INFO L168 Benchmark]: Toolchain (without parser) took 819.18 ms. Allocated memory is still 100.7 MB. Free memory was 65.4 MB in the beginning and 67.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:21:07,451 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:21:07,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.42 ms. Allocated memory is still 100.7 MB. Free memory was 65.1 MB in the beginning and 67.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:21:07,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 816.42 ms. Allocated memory is still 100.7 MB. Free memory was 65.1 MB in the beginning and 67.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1691]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:21:09,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:21:09,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:21:09,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:21:09,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:21:09,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:21:09,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:21:09,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:21:09,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:21:09,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:21:09,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:21:09,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:21:09,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:21:09,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:21:09,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:21:09,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:21:09,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:21:09,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:21:09,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:21:09,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:21:09,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:21:09,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:21:09,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:21:09,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:21:09,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:21:09,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:21:09,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:21:09,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:21:09,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:21:09,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:21:09,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:21:09,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:21:09,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:21:09,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:21:09,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:21:09,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:21:09,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:21:09,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:21:09,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:21:09,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:21:09,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:21:09,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:21:09,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:21:09,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:21:09,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:21:09,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:21:09,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:21:09,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:21:09,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:21:09,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:21:09,703 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:21:09,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:21:09,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:21:09,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:21:09,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:21:09,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:21:09,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:21:09,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:21:09,708 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:21:09,708 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:21:09,708 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:21:09,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:21:09,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:21:09,709 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:21:09,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:21:09,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:21:09,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:21:09,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:21:09,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:21:09,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:21:09,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:21:09,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:21:09,712 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:21:09,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:21:09,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:21:09,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:21:09,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:21:09,714 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_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2021-11-03 04:21:10,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:21:10,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:21:10,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:21:10,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:21:10,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:21:10,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-11-03 04:21:10,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/50526e1f2/bf3d630976b747fba853b9d2b476e125/FLAG70ff6f2e2 [2021-11-03 04:21:10,933 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:21:10,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-11-03 04:21:10,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/50526e1f2/bf3d630976b747fba853b9d2b476e125/FLAG70ff6f2e2 [2021-11-03 04:21:11,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/data/50526e1f2/bf3d630976b747fba853b9d2b476e125 [2021-11-03 04:21:11,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:21:11,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:21:11,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:21:11,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:21:11,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:21:11,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:21:11" (1/1) ... [2021-11-03 04:21:11,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69346d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:11, skipping insertion in model container [2021-11-03 04:21:11,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:21:11" (1/1) ... [2021-11-03 04:21:11,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:21:11,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:21:11,357 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-03 04:21:11,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-11-03 04:21:11,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:21:11,982 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:21:11,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:21:12,000 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-03 04:21:12,043 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-11-03 04:21:12,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:21:12,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:21:12,093 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-03 04:21:12,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-11-03 04:21:12,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:21:12,337 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:21:12,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12 WrapperNode [2021-11-03 04:21:12,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:21:12,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:21:12,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:21:12,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:21:12,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:21:12,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:21:12,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:21:12,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:21:12,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:21:12,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:21:12,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:21:12,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:21:12,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (1/1) ... [2021-11-03 04:21:12,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:21:12,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:21:12,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:21:12,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:21:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-03 04:21:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:21:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:21:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:21:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-03 04:21:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-03 04:21:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:21:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:21:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:21:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:21:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-11-03 04:21:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-11-03 04:21:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:21:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:21:12,597 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-03 04:21:13,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:21:13,517 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-03 04:21:13,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:21:13 BoogieIcfgContainer [2021-11-03 04:21:13,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:21:13,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:21:13,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:21:13,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:21:13,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:21:11" (1/3) ... [2021-11-03 04:21:13,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2679355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:21:13, skipping insertion in model container [2021-11-03 04:21:13,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:21:12" (2/3) ... [2021-11-03 04:21:13,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2679355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:21:13, skipping insertion in model container [2021-11-03 04:21:13,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:21:13" (3/3) ... [2021-11-03 04:21:13,528 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2021-11-03 04:21:13,532 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 04:21:13,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:21:13,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-03 04:21:13,533 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 04:21:13,564 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,565 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,565 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,566 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,568 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,569 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,573 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,573 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,573 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,573 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,574 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,574 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,575 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,575 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,576 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,579 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,579 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,580 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,580 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,581 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,581 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,585 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,586 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,587 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,588 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,588 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,588 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,588 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,589 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,589 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,589 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,589 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,589 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,590 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,590 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,590 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,590 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,591 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,591 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,591 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,591 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,591 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,592 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,593 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,594 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,597 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,599 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,599 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,600 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,600 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,603 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,603 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,604 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,604 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,605 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,605 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,605 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:21:13,612 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-03 04:21:13,653 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:21:13,659 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:21:13,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-03 04:21:13,675 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 04:21:13,684 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 151 transitions, 318 flow [2021-11-03 04:21:13,687 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 151 transitions, 318 flow [2021-11-03 04:21:13,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 151 transitions, 318 flow [2021-11-03 04:21:13,762 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2021-11-03 04:21:13,762 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-03 04:21:13,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 186 events. 8/186 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 319 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2021-11-03 04:21:13,772 INFO L116 LiptonReduction]: Number of co-enabled transitions 3016 [2021-11-03 04:24:01,774 WARN L207 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 116 [2021-11-03 04:24:35,659 WARN L207 SmtUtils]: Spent 28.42 s on a formula simplification that was a NOOP. DAG size: 162 [2021-11-03 04:24:57,928 WARN L207 SmtUtils]: Spent 22.27 s on a formula simplification that was a NOOP. DAG size: 160 [2021-11-03 04:25:27,770 WARN L207 SmtUtils]: Spent 29.84 s on a formula simplification that was a NOOP. DAG size: 162 [2021-11-03 04:25:56,664 WARN L207 SmtUtils]: Spent 28.89 s on a formula simplification that was a NOOP. DAG size: 160 [2021-11-03 04:26:12,728 WARN L207 SmtUtils]: Spent 14.90 s on a formula simplification that was a NOOP. DAG size: 216 [2021-11-03 04:26:26,824 WARN L207 SmtUtils]: Spent 14.09 s on a formula simplification that was a NOOP. DAG size: 216 [2021-11-03 04:26:46,442 WARN L207 SmtUtils]: Spent 19.62 s on a formula simplification that was a NOOP. DAG size: 216 [2021-11-03 04:27:05,890 WARN L207 SmtUtils]: Spent 19.45 s on a formula simplification that was a NOOP. DAG size: 216 [2021-11-03 04:28:35,224 WARN L207 SmtUtils]: Spent 1.49 m on a formula simplification that was a NOOP. DAG size: 252 [2021-11-03 04:30:09,615 WARN L207 SmtUtils]: Spent 1.57 m on a formula simplification that was a NOOP. DAG size: 252 [2021-11-03 04:31:33,500 WARN L207 SmtUtils]: Spent 1.40 m on a formula simplification that was a NOOP. DAG size: 252 [2021-11-03 04:32:59,668 WARN L207 SmtUtils]: Spent 1.44 m on a formula simplification that was a NOOP. DAG size: 252 [2021-11-03 04:33:20,462 WARN L207 SmtUtils]: Spent 20.77 s on a formula simplification that was a NOOP. DAG size: 148 [2021-11-03 04:33:35,151 WARN L207 SmtUtils]: Spent 14.69 s on a formula simplification that was a NOOP. DAG size: 140 [2021-11-03 04:34:26,872 WARN L207 SmtUtils]: Spent 51.72 s on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2021-11-03 04:34:44,020 WARN L207 SmtUtils]: Spent 17.14 s on a formula simplification that was a NOOP. DAG size: 142 [2021-11-03 04:34:44,931 INFO L131 LiptonReduction]: Checked pairs total: 7675 [2021-11-03 04:34:44,932 INFO L133 LiptonReduction]: Total number of compositions: 158 [2021-11-03 04:34:44,939 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 38 transitions, 92 flow [2021-11-03 04:34:44,983 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 546 states, 536 states have (on average 2.5671641791044775) internal successors, (1376), 545 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 546 states, 536 states have (on average 2.5671641791044775) internal successors, (1376), 545 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 04:34:44,994 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:44,994 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 04:34:44,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:34:45,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 17851449, now seen corresponding path program 1 times [2021-11-03 04:34:45,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:34:45,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651971678] [2021-11-03 04:34:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:45,016 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:34:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:34:45,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:34:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:34:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:45,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:34:45,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:45,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:45,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:45,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:45,507 INFO L354 Elim1Store]: treesize reduction 184, result has 15.6 percent of original size [2021-11-03 04:34:45,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 44 [2021-11-03 04:34:45,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:45,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:45,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:46,196 INFO L354 Elim1Store]: treesize reduction 844, result has 7.7 percent of original size [2021-11-03 04:34:46,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 76 treesize of output 99 [2021-11-03 04:34:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:46,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:46,545 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:34:46,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651971678] [2021-11-03 04:34:46,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651971678] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:34:46,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:34:46,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 2] imperfect sequences [] total 3 [2021-11-03 04:34:46,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677294511] [2021-11-03 04:34:46,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:34:46,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:34:46,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:34:46,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:34:46,569 INFO L87 Difference]: Start difference. First operand has 546 states, 536 states have (on average 2.5671641791044775) internal successors, (1376), 545 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:34:50,869 INFO L93 Difference]: Finished difference Result 696 states and 1770 transitions. [2021-11-03 04:34:50,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:34:50,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-03 04:34:50,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:34:50,894 INFO L225 Difference]: With dead ends: 696 [2021-11-03 04:34:50,894 INFO L226 Difference]: Without dead ends: 643 [2021-11-03 04:34:50,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:34:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2021-11-03 04:34:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 579. [2021-11-03 04:34:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 573 states have (on average 2.520069808027923) internal successors, (1444), 578 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1444 transitions. [2021-11-03 04:34:51,021 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1444 transitions. Word has length 4 [2021-11-03 04:34:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:34:51,021 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 1444 transitions. [2021-11-03 04:34:51,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1444 transitions. [2021-11-03 04:34:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 04:34:51,023 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:51,023 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:51,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:34:51,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:34:51,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:34:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:51,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1540046354, now seen corresponding path program 1 times [2021-11-03 04:34:51,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:34:51,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679972229] [2021-11-03 04:34:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:51,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:34:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:34:51,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:34:51,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:34:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:51,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:34:51,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:51,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:51,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:51,763 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-11-03 04:34:51,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-11-03 04:34:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:51,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:51,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:34:52,419 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-11-03 04:34:52,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 70 treesize of output 87 [2021-11-03 04:34:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:52,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:52,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:34:52,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679972229] [2021-11-03 04:34:52,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679972229] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:34:52,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:34:52,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 2] imperfect sequences [] total 3 [2021-11-03 04:34:52,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538958822] [2021-11-03 04:34:52,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:34:52,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:34:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:34:52,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:34:52,761 INFO L87 Difference]: Start difference. First operand 579 states and 1444 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:34:56,188 INFO L93 Difference]: Finished difference Result 801 states and 2021 transitions. [2021-11-03 04:34:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:34:56,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 04:34:56,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:34:56,199 INFO L225 Difference]: With dead ends: 801 [2021-11-03 04:34:56,199 INFO L226 Difference]: Without dead ends: 801 [2021-11-03 04:34:56,200 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:34:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-11-03 04:34:56,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 667. [2021-11-03 04:34:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 661 states have (on average 2.529500756429652) internal successors, (1672), 666 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1672 transitions. [2021-11-03 04:34:56,268 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1672 transitions. Word has length 7 [2021-11-03 04:34:56,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:34:56,269 INFO L470 AbstractCegarLoop]: Abstraction has 667 states and 1672 transitions. [2021-11-03 04:34:56,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1672 transitions. [2021-11-03 04:34:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:34:56,271 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:56,271 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:56,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:34:56,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:34:56,494 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:34:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1821946845, now seen corresponding path program 1 times [2021-11-03 04:34:56,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:34:56,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427764504] [2021-11-03 04:34:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:56,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:34:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:34:56,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:34:56,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:34:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:34:56,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:34:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:34:57,179 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-03 04:34:57,180 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:34:57,181 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:34:57,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-03 04:34:57,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-03 04:34:57,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:34:57,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:34:57,387 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-03 04:34:57,391 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-03 04:34:57,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:34:57,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:34:57 BasicIcfg [2021-11-03 04:34:57,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:34:57,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:34:57,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:34:57,462 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:34:57,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:21:13" (3/4) ... [2021-11-03 04:34:57,464 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-03 04:34:57,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:34:57,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:34:57,521 INFO L168 Benchmark]: Toolchain (without parser) took 826443.75 ms. Allocated memory was 71.3 MB in the beginning and 151.0 MB in the end (delta: 79.7 MB). Free memory was 49.6 MB in the beginning and 87.9 MB in the end (delta: -38.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,522 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 53.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:34:57,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.65 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 49.4 MB in the beginning and 67.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.14 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 64.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,523 INFO L168 Benchmark]: Boogie Preprocessor took 74.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 60.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,524 INFO L168 Benchmark]: RCFGBuilder took 1032.18 ms. Allocated memory is still 104.9 MB. Free memory was 60.9 MB in the beginning and 56.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,525 INFO L168 Benchmark]: TraceAbstraction took 823939.62 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 92.1 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,525 INFO L168 Benchmark]: Witness Printer took 58.42 ms. Allocated memory is still 151.0 MB. Free memory was 92.1 MB in the beginning and 87.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:57,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 53.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1257.65 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 49.4 MB in the beginning and 67.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.14 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 64.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 60.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1032.18 ms. Allocated memory is still 104.9 MB. Free memory was 60.9 MB in the beginning and 56.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 823939.62 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 92.1 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 58.42 ms. Allocated memory is still 151.0 MB. Free memory was 92.1 MB in the beginning and 87.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 811.2s, 151 PlacesBefore, 42 PlacesAfterwards, 151 TransitionsBefore, 38 TransitionsAfterwards, 3016 CoEnabledTransitionPairs, 7 FixpointIterations, 74 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 158 TotalNumberOfCompositions, 7675 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3032, positive: 2741, positive conditional: 0, positive unconditional: 2741, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1921, positive: 1856, positive conditional: 0, positive unconditional: 1856, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1921, positive: 1844, positive conditional: 0, positive unconditional: 1844, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104723, positive: 1827, positive conditional: 0, positive unconditional: 1827, negative: 2651, negative conditional: 0, negative unconditional: 2651, unknown: 100245, unknown conditional: 0, unknown unconditional: 100245] ], Cache Queries: [ total: 3032, positive: 885, positive conditional: 0, positive unconditional: 885, negative: 226, negative conditional: 0, negative unconditional: 226, unknown: 1921, unknown conditional: 0, unknown unconditional: 1921] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1739] 0 return 0; [L1745] 0 int ret = my_drv_init(); [L1746] COND TRUE 0 ret==0 [L1747] 0 int probe_ret; [L1748] 0 struct my_data data; [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={-1073741821:24}, t1={1073741827:0}, t2={-2147483645:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={-1073741821:24}, t1={1073741827:0}, t2={-2147483645:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1716] 0 data->shared.a = 3 VAL [__mptr={-1073741821:24}, arg={-1073741821:24}, arg={-1073741821:24}, data={-1073741821:0}, dev={-1073741821:24}, pthread_mutex_lock (&data->lock)=0, t1={1073741827:0}, t2={-2147483645:0}] [L1694] 2 data->shared.a = 1 VAL [__mptr={-1073741821:24}, arg={-1073741821:24}, arg={-1073741821:24}, data={-1073741821:0}, dev={-1073741821:24}, t1={1073741827:0}, t2={-2147483645:0}] [L1719] 0 data->shared.b = 3 VAL [__mptr={-1073741821:24}, arg={-1073741821:24}, arg={-1073741821:24}, data={-1073741821:0}, dev={-1073741821:24}, t1={1073741827:0}, t2={-2147483645:0}] [L1722] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [__mptr={-1073741821:24}, arg={-1073741821:24}, arg={-1073741821:24}, data={-1073741821:0}, dev={-1073741821:24}, t1={1073741827:0}, t2={-2147483645:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 161 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 823.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 811.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 31 SDslu, 40 SDs, 0 SdLazy, 169 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 198 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 418 SizeOfPredicates, 6 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-03 04:34:57,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350be618-2943-4f6e-b4a3-c2efc83ffa50/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE