./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:18:13,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:18:13,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:18:13,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:18:13,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:18:13,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:18:13,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:18:13,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:18:13,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:18:13,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:18:13,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:18:13,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:18:13,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:18:13,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:18:13,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:18:13,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:18:13,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:18:13,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:18:13,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:18:13,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:18:13,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:18:13,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:18:13,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:18:13,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:18:13,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:18:13,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:18:13,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:18:13,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:18:13,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:18:13,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:18:13,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:18:13,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:18:13,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:18:13,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:18:13,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:18:13,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:18:13,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:18:13,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:18:13,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:18:13,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:18:13,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:18:13,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:18:13,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:18:13,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:18:13,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:18:13,204 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:18:13,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:18:13,204 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:18:13,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:18:13,205 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:18:13,205 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:18:13,205 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:18:13,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:18:13,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:18:13,206 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:18:13,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:18:13,206 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:18:13,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:18:13,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:18:13,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:18:13,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:18:13,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:18:13,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:18:13,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:18:13,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:18:13,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:18:13,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:18:13,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:18:13,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:18:13,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:13,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:18:13,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:18:13,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:18:13,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:18:13,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:18:13,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:18:13,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:18:13,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:18:13,210 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2021-11-07 02:18:13,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:18:13,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:18:13,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:18:13,536 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:18:13,537 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:18:13,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2021-11-07 02:18:13,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/50b3a08a6/1c207f86ef6d4140aa5c8e8c72e6eccf/FLAGb38a3a56a [2021-11-07 02:18:14,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:14,594 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2021-11-07 02:18:14,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/50b3a08a6/1c207f86ef6d4140aa5c8e8c72e6eccf/FLAGb38a3a56a [2021-11-07 02:18:15,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/50b3a08a6/1c207f86ef6d4140aa5c8e8c72e6eccf [2021-11-07 02:18:15,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:15,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:15,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:15,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:15,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:15,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:15" (1/1) ... [2021-11-07 02:18:15,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666d9f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:15, skipping insertion in model container [2021-11-07 02:18:15,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:15" (1/1) ... [2021-11-07 02:18:15,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:15,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:17,326 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2021-11-07 02:18:17,332 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2021-11-07 02:18:17,333 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2021-11-07 02:18:17,334 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2021-11-07 02:18:17,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:17,412 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) [2021-11-07 02:18:17,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3579d614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:17, skipping insertion in model container [2021-11-07 02:18:17,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:17,414 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:18:17,416 INFO L168 Benchmark]: Toolchain (without parser) took 2407.82 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 49.5 MB in the beginning and 82.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:17,417 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:18:17,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2405.13 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 49.3 MB in the beginning and 82.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:17,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2405.13 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 49.3 MB in the beginning and 82.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7584]: 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:18:19,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:18:19,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:18:19,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:18:19,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:18:19,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:18:19,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:18:19,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:18:19,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:18:19,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:18:19,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:18:19,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:18:19,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:18:19,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:18:19,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:18:19,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:18:19,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:18:19,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:18:19,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:18:19,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:18:19,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:18:19,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:18:19,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:18:19,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:18:19,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:18:19,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:18:19,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:18:19,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:18:19,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:18:19,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:18:19,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:18:19,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:18:19,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:18:19,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:18:19,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:18:19,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:18:19,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:18:19,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:18:19,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:18:19,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:18:19,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:18:19,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:18:19,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:18:19,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:18:19,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:18:19,780 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:18:19,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:18:19,780 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:18:19,781 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:18:19,781 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:18:19,781 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:18:19,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:18:19,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:18:19,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:18:19,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:18:19,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:18:19,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:18:19,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:18:19,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:18:19,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:18:19,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:18:19,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:18:19,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:18:19,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:18:19,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:18:19,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:19,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:18:19,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:18:19,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:18:19,788 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:18:19,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:18:19,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:18:19,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:18:19,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:18:19,789 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2021-11-07 02:18:20,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:18:20,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:18:20,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:18:20,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:18:20,181 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:18:20,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2021-11-07 02:18:20,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/3763f61b8/365543fa2ca941b7b1c1e6f9943c5773/FLAG93e52644f [2021-11-07 02:18:21,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:21,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2021-11-07 02:18:21,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/3763f61b8/365543fa2ca941b7b1c1e6f9943c5773/FLAG93e52644f [2021-11-07 02:18:21,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/data/3763f61b8/365543fa2ca941b7b1c1e6f9943c5773 [2021-11-07 02:18:21,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:21,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:21,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:21,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:21,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:21,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:21" (1/1) ... [2021-11-07 02:18:21,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762dd21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:21, skipping insertion in model container [2021-11-07 02:18:21,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:21" (1/1) ... [2021-11-07 02:18:21,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:21,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:24,435 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2021-11-07 02:18:24,438 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2021-11-07 02:18:24,444 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2021-11-07 02:18:24,445 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2021-11-07 02:18:24,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:24,510 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:18:24,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:24,964 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2021-11-07 02:18:24,965 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2021-11-07 02:18:24,966 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2021-11-07 02:18:24,966 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2021-11-07 02:18:24,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:24,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:18:25,358 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2021-11-07 02:18:25,359 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2021-11-07 02:18:25,359 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2021-11-07 02:18:25,359 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_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2021-11-07 02:18:25,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:25,552 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:18:25,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25 WrapperNode [2021-11-07 02:18:25,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:25,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:25,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:18:25,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:18:25,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:25,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:31,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:31,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:18:31,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:18:31,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:18:31,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:31,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:31,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:31,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:33,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:33,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:33,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:34,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:18:34,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:18:34,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:18:34,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:18:34,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (1/1) ... [2021-11-07 02:18:34,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:34,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:18:34,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:18:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:18:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:18:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:18:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:18:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:18:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:18:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:18:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:18:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:18:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:18:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:18:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:18:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:18:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:21:36,283 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:36,284 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:36,284 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 02:21:36,287 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:36,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:21:36,416 INFO L299 CfgBuilder]: Removed 28663 assume(true) statements. [2021-11-07 02:21:36,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:36 BoogieIcfgContainer [2021-11-07 02:21:36,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:21:36,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:21:36,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:21:36,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:21:36,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:18:21" (1/3) ... [2021-11-07 02:21:36,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324d1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:36, skipping insertion in model container [2021-11-07 02:21:36,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:25" (2/3) ... [2021-11-07 02:21:36,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324d1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:36, skipping insertion in model container [2021-11-07 02:21:36,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:36" (3/3) ... [2021-11-07 02:21:36,446 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2021-11-07 02:21:36,451 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:21:36,452 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:21:36,573 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:21:36,579 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 [2021-11-07 02:21:36,579 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:21:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 21926 states, 21923 states have (on average 1.3656890024175523) internal successors, (29940), 21925 states have internal predecessors, (29940), 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) [2021-11-07 02:21:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 02:21:36,885 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:36,885 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:36,886 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:21:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:36,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1787303992, now seen corresponding path program 1 times [2021-11-07 02:21:36,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:36,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348698221] [2021-11-07 02:21:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:36,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:36,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:36,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:21:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:39,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:39,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:39,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:40,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:40,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348698221] [2021-11-07 02:21:40,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348698221] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:40,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:40,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:21:40,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575383414] [2021-11-07 02:21:40,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:40,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:40,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:40,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:40,189 INFO L87 Difference]: Start difference. First operand has 21926 states, 21923 states have (on average 1.3656890024175523) internal successors, (29940), 21925 states have internal predecessors, (29940), 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, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-07 02:21:45,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:45,614 INFO L93 Difference]: Finished difference Result 87427 states and 119405 transitions. [2021-11-07 02:21:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:45,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 30 [2021-11-07 02:21:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:46,146 INFO L225 Difference]: With dead ends: 87427 [2021-11-07 02:21:46,147 INFO L226 Difference]: Without dead ends: 65255 [2021-11-07 02:21:46,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65255 states. [2021-11-07 02:21:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65255 to 65251. [2021-11-07 02:21:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65251 states, 65248 states have (on average 1.3624785434036293) internal successors, (88899), 65250 states have internal predecessors, (88899), 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) [2021-11-07 02:21:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65251 states to 65251 states and 88899 transitions. [2021-11-07 02:21:49,152 INFO L78 Accepts]: Start accepts. Automaton has 65251 states and 88899 transitions. Word has length 30 [2021-11-07 02:21:49,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:49,153 INFO L470 AbstractCegarLoop]: Abstraction has 65251 states and 88899 transitions. [2021-11-07 02:21:49,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-07 02:21:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 65251 states and 88899 transitions. [2021-11-07 02:21:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 02:21:49,166 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:49,167 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:49,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:49,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:49,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:21:49,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1199983, now seen corresponding path program 1 times [2021-11-07 02:21:49,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:49,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075825838] [2021-11-07 02:21:49,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:49,393 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:49,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:49,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:21:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:52,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:52,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:52,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:52,926 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:52,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075825838] [2021-11-07 02:21:52,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075825838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:52,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:52,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:21:52,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067194985] [2021-11-07 02:21:52,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:52,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:52,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:52,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:52,929 INFO L87 Difference]: Start difference. First operand 65251 states and 88899 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-07 02:21:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:59,093 INFO L93 Difference]: Finished difference Result 189919 states and 259258 transitions. [2021-11-07 02:21:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:59,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 52 [2021-11-07 02:21:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:59,705 INFO L225 Difference]: With dead ends: 189919 [2021-11-07 02:21:59,705 INFO L226 Difference]: Without dead ends: 124712 [2021-11-07 02:21:59,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:00,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124712 states. [2021-11-07 02:22:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124712 to 124672. [2021-11-07 02:22:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124672 states, 124669 states have (on average 1.366161595905959) internal successors, (170318), 124671 states have internal predecessors, (170318), 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) [2021-11-07 02:22:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124672 states to 124672 states and 170318 transitions. [2021-11-07 02:22:05,019 INFO L78 Accepts]: Start accepts. Automaton has 124672 states and 170318 transitions. Word has length 52 [2021-11-07 02:22:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:05,020 INFO L470 AbstractCegarLoop]: Abstraction has 124672 states and 170318 transitions. [2021-11-07 02:22:05,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-07 02:22:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 124672 states and 170318 transitions. [2021-11-07 02:22:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:22:05,026 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:05,027 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:05,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:05,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:05,252 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:05,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1956029124, now seen corresponding path program 1 times [2021-11-07 02:22:05,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:05,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663044490] [2021-11-07 02:22:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:05,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:05,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:05,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:05,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:22:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:08,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:22:08,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:08,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:22:09,146 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:09,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663044490] [2021-11-07 02:22:09,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663044490] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:09,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:09,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-07 02:22:09,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11580985] [2021-11-07 02:22:09,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:09,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:09,149 INFO L87 Difference]: Start difference. First operand 124672 states and 170318 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-07 02:22:13,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:13,157 INFO L93 Difference]: Finished difference Result 124672 states and 170318 transitions. [2021-11-07 02:22:13,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:22:13,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 58 [2021-11-07 02:22:13,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:13,613 INFO L225 Difference]: With dead ends: 124672 [2021-11-07 02:22:13,613 INFO L226 Difference]: Without dead ends: 124652 [2021-11-07 02:22:13,668 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:14,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124652 states. [2021-11-07 02:22:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124652 to 70495. [2021-11-07 02:22:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70495 states, 70494 states have (on average 1.3661730076318552) internal successors, (96307), 70494 states have internal predecessors, (96307), 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) [2021-11-07 02:22:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70495 states to 70495 states and 96307 transitions. [2021-11-07 02:22:17,136 INFO L78 Accepts]: Start accepts. Automaton has 70495 states and 96307 transitions. Word has length 58 [2021-11-07 02:22:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:17,139 INFO L470 AbstractCegarLoop]: Abstraction has 70495 states and 96307 transitions. [2021-11-07 02:22:17,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-07 02:22:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 70495 states and 96307 transitions. [2021-11-07 02:22:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 02:22:17,159 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:17,160 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:17,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:17,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:17,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:22:17,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:17,384 INFO L85 PathProgramCache]: Analyzing trace with hash -625041646, now seen corresponding path program 1 times [2021-11-07 02:22:17,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:17,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175833387] [2021-11-07 02:22:17,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:17,390 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:17,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:17,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:17,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae6ec7e-5f53-4680-ac73-f35dfeabd3a2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:22:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:20,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:22:20,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:22:21,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:22:22,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:22,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175833387] [2021-11-07 02:22:22,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175833387] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:22,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:22,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-07 02:22:22,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858921813] [2021-11-07 02:22:22,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 02:22:22,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:22,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 02:22:22,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:22:22,082 INFO L87 Difference]: Start difference. First operand 70495 states and 96307 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 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) [2021-11-07 02:22:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:33,728 INFO L93 Difference]: Finished difference Result 233111 states and 318427 transitions. [2021-11-07 02:22:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:22:33,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 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 94 [2021-11-07 02:22:33,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:34,022 INFO L225 Difference]: With dead ends: 233111 [2021-11-07 02:22:34,023 INFO L226 Difference]: Without dead ends: 178881 [2021-11-07 02:22:34,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 02:22:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178881 states.