./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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 efa92cfb99ddf37faa5e05d118bbca018e76e6d1ade87f7958feff968c230276 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:09:17,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:09:17,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:09:17,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:09:17,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:09:17,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:09:17,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:09:17,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:09:17,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:09:17,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:09:17,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:09:17,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:09:17,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:09:17,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:09:17,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:09:17,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:09:17,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:09:17,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:09:17,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:09:17,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:09:17,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:09:17,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:09:17,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:09:17,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:09:17,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:09:17,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:09:17,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:09:17,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:09:17,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:09:17,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:09:17,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:09:17,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:09:17,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:09:17,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:09:17,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:09:17,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:09:17,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:09:17,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:09:17,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:09:17,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:09:17,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:09:17,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:09:17,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:09:17,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:09:17,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:09:17,204 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:09:17,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:09:17,204 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:09:17,205 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:09:17,205 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:09:17,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:09:17,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:09:17,207 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:09:17,207 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:09:17,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:09:17,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:09:17,208 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:09:17,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:09:17,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:09:17,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:09:17,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:09:17,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:09:17,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:09:17,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:09:17,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:09:17,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:09:17,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:09:17,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:09:17,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:09:17,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:17,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:09:17,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:09:17,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:09:17,216 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:09:17,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:09:17,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:09:17,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:09:17,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:09:17,217 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efa92cfb99ddf37faa5e05d118bbca018e76e6d1ade87f7958feff968c230276 [2021-11-07 01:09:17,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:09:17,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:09:17,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:09:17,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:09:17,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:09:17,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2021-11-07 01:09:17,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/737d8c982/3c867a860e2e44d49ddab86693104e1b/FLAGa741c466a [2021-11-07 01:09:18,867 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:09:18,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2021-11-07 01:09:18,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/737d8c982/3c867a860e2e44d49ddab86693104e1b/FLAGa741c466a [2021-11-07 01:09:19,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/737d8c982/3c867a860e2e44d49ddab86693104e1b [2021-11-07 01:09:19,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:09:19,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:09:19,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:19,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:09:19,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:09:19,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:19" (1/1) ... [2021-11-07 01:09:19,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7ccc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:19, skipping insertion in model container [2021-11-07 01:09:19,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:19" (1/1) ... [2021-11-07 01:09:19,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:09:19,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:09:20,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:09:20,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:09:21,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:09:21,598 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:09:21,599 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:09:21,721 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i[404095,404108] [2021-11-07 01:09:21,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:21,995 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 01:09:21,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4092c807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:21, skipping insertion in model container [2021-11-07 01:09:21,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:21,998 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:09:22,002 INFO L168 Benchmark]: Toolchain (without parser) took 2814.28 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 78.3 MB in the beginning and 84.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:09:22,004 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 123.7 MB. Free memory was 76.4 MB in the beginning and 76.4 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:09:22,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2810.65 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 78.1 MB in the beginning and 84.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:09:22,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 123.7 MB. Free memory was 76.4 MB in the beginning and 76.4 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2810.65 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 78.1 MB in the beginning and 84.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6851]: 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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 efa92cfb99ddf37faa5e05d118bbca018e76e6d1ade87f7958feff968c230276 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:09:24,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:09:24,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:09:24,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:09:24,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:09:24,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:09:24,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:09:24,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:09:24,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:09:24,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:09:24,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:09:24,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:09:24,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:09:24,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:09:24,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:09:24,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:09:24,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:09:24,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:09:24,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:09:24,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:09:24,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:09:24,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:09:24,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:09:24,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:09:24,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:09:24,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:09:24,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:09:25,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:09:25,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:09:25,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:09:25,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:09:25,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:09:25,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:09:25,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:09:25,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:09:25,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:09:25,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:09:25,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:09:25,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:09:25,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:09:25,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:09:25,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:09:25,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:09:25,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:09:25,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:09:25,074 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:09:25,074 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:09:25,075 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:09:25,075 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:09:25,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:09:25,075 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:09:25,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:09:25,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:09:25,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:09:25,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:09:25,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:09:25,077 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:09:25,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:09:25,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:09:25,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:09:25,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:09:25,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:09:25,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:09:25,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:09:25,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:09:25,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:25,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:09:25,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:09:25,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:09:25,081 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:09:25,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:09:25,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:09:25,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:09:25,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:09:25,082 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efa92cfb99ddf37faa5e05d118bbca018e76e6d1ade87f7958feff968c230276 [2021-11-07 01:09:25,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:09:25,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:09:25,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:09:25,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:09:25,615 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:09:25,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2021-11-07 01:09:25,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/91ba8b980/63011b88e9ca460eaedf94a2e10506a1/FLAG1402ad326 [2021-11-07 01:09:27,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:09:27,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2021-11-07 01:09:27,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/91ba8b980/63011b88e9ca460eaedf94a2e10506a1/FLAG1402ad326 [2021-11-07 01:09:27,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/data/91ba8b980/63011b88e9ca460eaedf94a2e10506a1 [2021-11-07 01:09:27,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:09:27,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:09:27,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:27,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:09:27,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:09:27,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:27" (1/1) ... [2021-11-07 01:09:27,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a6116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:27, skipping insertion in model container [2021-11-07 01:09:27,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:27" (1/1) ... [2021-11-07 01:09:27,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:09:27,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:09:30,011 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i[404095,404108] [2021-11-07 01:09:30,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:30,295 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:09:30,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:09:31,007 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i[404095,404108] [2021-11-07 01:09:31,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:31,163 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:09:31,841 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_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i[404095,404108] [2021-11-07 01:09:31,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:32,027 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:09:32,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32 WrapperNode [2021-11-07 01:09:32,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:32,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:09:32,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:09:32,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:09:32,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:32,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:32,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:09:32,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:09:32,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:09:32,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:09:32,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:32,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:32,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:32,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:33,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:33,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:33,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:33,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:09:33,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:09:33,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:09:33,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:09:33,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (1/1) ... [2021-11-07 01:09:33,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:33,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:33,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:09:33,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:09:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:09:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:09:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:09:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:09:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2021-11-07 01:09:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2021-11-07 01:09:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:09:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:09:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2021-11-07 01:09:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2021-11-07 01:09:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2021-11-07 01:09:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2021-11-07 01:09:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:09:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2021-11-07 01:09:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2021-11-07 01:09:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:09:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:09:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-07 01:09:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-07 01:09:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:09:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2021-11-07 01:09:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2021-11-07 01:09:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:09:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:09:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:09:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:09:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:09:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2021-11-07 01:09:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2021-11-07 01:09:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:09:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:09:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:09:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2021-11-07 01:09:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2021-11-07 01:09:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-07 01:09:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-07 01:09:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:09:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:12:14,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:12:14,476 INFO L299 CfgBuilder]: Removed 2031 assume(true) statements. [2021-11-07 01:12:14,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:14 BoogieIcfgContainer [2021-11-07 01:12:14,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:12:14,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:12:14,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:12:14,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:12:14,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:09:27" (1/3) ... [2021-11-07 01:12:14,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f00273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:14, skipping insertion in model container [2021-11-07 01:12:14,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:32" (2/3) ... [2021-11-07 01:12:14,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f00273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:14, skipping insertion in model container [2021-11-07 01:12:14,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:14" (3/3) ... [2021-11-07 01:12:14,496 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2021-11-07 01:12:14,503 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:12:14,503 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-07 01:12:14,592 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:12:14,606 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 01:12:14,607 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-07 01:12:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 2243 states, 2204 states have (on average 1.382940108892922) internal successors, (3048), 2211 states have internal predecessors, (3048), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-07 01:12:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:12:14,689 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:12:14,690 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:12:14,690 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:12:14,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:12:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1667533878, now seen corresponding path program 1 times [2021-11-07 01:12:14,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:12:14,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040439609] [2021-11-07 01:12:14,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:12:14,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:12:14,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:12:14,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:12:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:13:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:09,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 2769 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:13:09,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:13:09,702 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 01:13:09,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:13:09,848 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 01:13:09,848 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:13:09,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040439609] [2021-11-07 01:13:09,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040439609] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:13:09,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:13:09,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:13:09,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873105515] [2021-11-07 01:13:09,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:13:09,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:13:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:13:09,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:13:09,884 INFO L87 Difference]: Start difference. First operand has 2243 states, 2204 states have (on average 1.382940108892922) internal successors, (3048), 2211 states have internal predecessors, (3048), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 01:13:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:13,260 INFO L93 Difference]: Finished difference Result 6066 states and 8505 transitions. [2021-11-07 01:13:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:13:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-07 01:13:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:13,310 INFO L225 Difference]: With dead ends: 6066 [2021-11-07 01:13:13,310 INFO L226 Difference]: Without dead ends: 3825 [2021-11-07 01:13:13,328 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:13:13,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2021-11-07 01:13:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3823. [2021-11-07 01:13:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 3759 states have (on average 1.4051609470603883) internal successors, (5282), 3762 states have internal predecessors, (5282), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:13:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5373 transitions. [2021-11-07 01:13:13,653 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5373 transitions. Word has length 8 [2021-11-07 01:13:13,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:13,654 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5373 transitions. [2021-11-07 01:13:13,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 01:13:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5373 transitions. [2021-11-07 01:13:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:13:13,657 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:13,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:13,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:13:13,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:13:13,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:13:13,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:13,861 INFO L85 PathProgramCache]: Analyzing trace with hash -153937282, now seen corresponding path program 1 times [2021-11-07 01:13:13,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:13:13,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198433104] [2021-11-07 01:13:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:13,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:13:13,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:13:13,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:13:13,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:14:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:07,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2770 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:14:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:08,029 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 01:14:08,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:08,168 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 01:14:08,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:14:08,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198433104] [2021-11-07 01:14:08,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198433104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:14:08,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:14:08,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:14:08,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698030972] [2021-11-07 01:14:08,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:14:08,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:14:08,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:14:08,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:14:08,172 INFO L87 Difference]: Start difference. First operand 3823 states and 5373 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2021-11-07 01:14:11,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:11,551 INFO L93 Difference]: Finished difference Result 3823 states and 5373 transitions. [2021-11-07 01:14:11,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:14:11,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 9 [2021-11-07 01:14:11,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:11,582 INFO L225 Difference]: With dead ends: 3823 [2021-11-07 01:14:11,582 INFO L226 Difference]: Without dead ends: 3821 [2021-11-07 01:14:11,585 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:14:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2021-11-07 01:14:11,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3821. [2021-11-07 01:14:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 3758 states have (on average 1.4050026609898882) internal successors, (5280), 3760 states have internal predecessors, (5280), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:14:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5371 transitions. [2021-11-07 01:14:11,926 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5371 transitions. Word has length 9 [2021-11-07 01:14:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:11,927 INFO L470 AbstractCegarLoop]: Abstraction has 3821 states and 5371 transitions. [2021-11-07 01:14:11,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2021-11-07 01:14:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5371 transitions. [2021-11-07 01:14:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:14:11,929 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:11,929 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:12,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:12,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:14:12,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:14:12,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:12,154 INFO L85 PathProgramCache]: Analyzing trace with hash -477083052, now seen corresponding path program 1 times [2021-11-07 01:14:12,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:14:12,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145857455] [2021-11-07 01:14:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:12,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:14:12,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:14:12,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:14:12,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:15:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:06,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 2771 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:06,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:07,079 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 01:15:07,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:07,229 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 01:15:07,229 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:07,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145857455] [2021-11-07 01:15:07,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145857455] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:07,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:07,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:15:07,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810828087] [2021-11-07 01:15:07,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:15:07,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:15:07,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:07,233 INFO L87 Difference]: Start difference. First operand 3821 states and 5371 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:15:10,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:10,439 INFO L93 Difference]: Finished difference Result 3821 states and 5371 transitions. [2021-11-07 01:15:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:10,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-11-07 01:15:10,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:10,468 INFO L225 Difference]: With dead ends: 3821 [2021-11-07 01:15:10,469 INFO L226 Difference]: Without dead ends: 3819 [2021-11-07 01:15:10,471 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:10,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2021-11-07 01:15:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3819. [2021-11-07 01:15:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3757 states have (on average 1.4048442906574394) internal successors, (5278), 3758 states have internal predecessors, (5278), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:15:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 5369 transitions. [2021-11-07 01:15:10,707 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 5369 transitions. Word has length 10 [2021-11-07 01:15:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:10,707 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 5369 transitions. [2021-11-07 01:15:10,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:15:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 5369 transitions. [2021-11-07 01:15:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:15:10,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:10,710 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:10,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:15:10,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:10,924 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:15:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1904667320, now seen corresponding path program 1 times [2021-11-07 01:15:10,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:10,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335741286] [2021-11-07 01:15:10,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:10,943 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:10,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:10,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:10,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:16:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:05,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:16:05,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:05,783 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 01:16:05,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:05,957 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 01:16:05,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:05,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335741286] [2021-11-07 01:16:05,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335741286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:05,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:05,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:16:05,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824734580] [2021-11-07 01:16:05,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:16:05,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:05,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:16:05,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:16:05,960 INFO L87 Difference]: Start difference. First operand 3819 states and 5369 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 01:16:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:09,355 INFO L93 Difference]: Finished difference Result 3819 states and 5369 transitions. [2021-11-07 01:16:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:16:09,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-11-07 01:16:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:09,387 INFO L225 Difference]: With dead ends: 3819 [2021-11-07 01:16:09,387 INFO L226 Difference]: Without dead ends: 3817 [2021-11-07 01:16:09,389 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:16:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2021-11-07 01:16:09,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 3817. [2021-11-07 01:16:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 3756 states have (on average 1.4046858359957402) internal successors, (5276), 3756 states have internal predecessors, (5276), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:16:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 5367 transitions. [2021-11-07 01:16:09,632 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 5367 transitions. Word has length 11 [2021-11-07 01:16:09,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:09,633 INFO L470 AbstractCegarLoop]: Abstraction has 3817 states and 5367 transitions. [2021-11-07 01:16:09,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 01:16:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 5367 transitions. [2021-11-07 01:16:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:16:09,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:09,640 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:09,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:09,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:09,855 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:16:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1084860638, now seen corresponding path program 1 times [2021-11-07 01:16:09,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:09,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962391096] [2021-11-07 01:16:09,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:09,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:09,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:09,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:09,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:17:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:05,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 2773 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:17:05,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:05,407 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 01:17:05,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:05,595 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 01:17:05,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:05,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962391096] [2021-11-07 01:17:05,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962391096] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:05,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:05,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:17:05,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016194672] [2021-11-07 01:17:05,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:17:05,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:05,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:17:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:05,598 INFO L87 Difference]: Start difference. First operand 3817 states and 5367 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 01:17:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:08,555 INFO L93 Difference]: Finished difference Result 3817 states and 5367 transitions. [2021-11-07 01:17:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:17:08,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-11-07 01:17:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:08,751 INFO L225 Difference]: With dead ends: 3817 [2021-11-07 01:17:08,751 INFO L226 Difference]: Without dead ends: 3808 [2021-11-07 01:17:08,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:08,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2021-11-07 01:17:08,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2021-11-07 01:17:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3748 states have (on average 1.4047491995731056) internal successors, (5265), 3747 states have internal predecessors, (5265), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:17:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5356 transitions. [2021-11-07 01:17:09,009 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5356 transitions. Word has length 12 [2021-11-07 01:17:09,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:09,009 INFO L470 AbstractCegarLoop]: Abstraction has 3808 states and 5356 transitions. [2021-11-07 01:17:09,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 01:17:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5356 transitions. [2021-11-07 01:17:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 01:17:09,030 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:09,031 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, 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 01:17:09,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:09,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:09,257 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting cx88_dvb_bus_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:17:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:09,258 INFO L85 PathProgramCache]: Analyzing trace with hash -970471782, now seen corresponding path program 1 times [2021-11-07 01:17:09,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:09,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962520668] [2021-11-07 01:17:09,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:09,286 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:09,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:09,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:09,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:18:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:05,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:18:05,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:18:06,858 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 01:18:06,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:18:08,445 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 01:18:08,445 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:18:08,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962520668] [2021-11-07 01:18:08,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962520668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:18:08,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:18:08,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:18:08,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369946897] [2021-11-07 01:18:08,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:18:08,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:18:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:18:08,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:18:08,452 INFO L87 Difference]: Start difference. First operand 3808 states and 5356 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:18:08,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:18:08,813 INFO L93 Difference]: Finished difference Result 7610 states and 10760 transitions. [2021-11-07 01:18:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:18:08,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-07 01:18:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:18:08,845 INFO L225 Difference]: With dead ends: 7610 [2021-11-07 01:18:08,845 INFO L226 Difference]: Without dead ends: 3808 [2021-11-07 01:18:08,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:18:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2021-11-07 01:18:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2021-11-07 01:18:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3748 states have (on average 1.4015474919957311) internal successors, (5253), 3747 states have internal predecessors, (5253), 36 states have call successors, (36), 21 states have call predecessors, (36), 22 states have return successors, (55), 39 states have call predecessors, (55), 36 states have call successors, (55) [2021-11-07 01:18:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5344 transitions. [2021-11-07 01:18:09,156 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5344 transitions. Word has length 100 [2021-11-07 01:18:09,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:18:09,157 INFO L470 AbstractCegarLoop]: Abstraction has 3808 states and 5344 transitions. [2021-11-07 01:18:09,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:18:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5344 transitions. [2021-11-07 01:18:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 01:18:09,164 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:18:09,164 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, 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 01:18:09,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:18:09,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:18:09,377 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting cx88_dvb_bus_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:18:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:18:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1670375130, now seen corresponding path program 1 times [2021-11-07 01:18:09,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:18:09,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245504254] [2021-11-07 01:18:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:18:09,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:18:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:18:09,409 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:18:09,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:18:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:54,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:18:54,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:18:55,517 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 01:18:55,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:18:56,357 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 01:18:56,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:18:56,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245504254] [2021-11-07 01:18:56,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245504254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:18:56,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:18:56,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:18:56,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163749534] [2021-11-07 01:18:56,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:18:56,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:18:56,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:18:56,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:18:56,361 INFO L87 Difference]: Start difference. First operand 3808 states and 5344 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:18:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:18:57,200 INFO L93 Difference]: Finished difference Result 7642 states and 10758 transitions. [2021-11-07 01:18:57,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:18:57,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-07 01:18:57,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:18:57,247 INFO L225 Difference]: With dead ends: 7642 [2021-11-07 01:18:57,255 INFO L226 Difference]: Without dead ends: 3840 [2021-11-07 01:18:57,267 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:18:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-11-07 01:18:57,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3815. [2021-11-07 01:18:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 3754 states have (on average 1.4009057005860415) internal successors, (5259), 3754 states have internal predecessors, (5259), 36 states have call successors, (36), 21 states have call predecessors, (36), 23 states have return successors, (56), 39 states have call predecessors, (56), 36 states have call successors, (56) [2021-11-07 01:18:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 5351 transitions. [2021-11-07 01:18:57,481 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 5351 transitions. Word has length 100 [2021-11-07 01:18:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:18:57,481 INFO L470 AbstractCegarLoop]: Abstraction has 3815 states and 5351 transitions. [2021-11-07 01:18:57,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:18:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 5351 transitions. [2021-11-07 01:18:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 01:18:57,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:18:57,486 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, 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 01:18:57,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:18:57,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:18:57,687 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting cx88_dvb_bus_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:18:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:18:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash -321483245, now seen corresponding path program 1 times [2021-11-07 01:18:57,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:18:57,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439729553] [2021-11-07 01:18:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:18:57,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:18:57,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:18:57,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:18:57,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:19:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:19:42,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:19:42,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:19:43,308 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 01:19:43,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:19:44,128 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 01:19:44,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:19:44,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439729553] [2021-11-07 01:19:44,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439729553] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:19:44,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:19:44,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:19:44,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813486612] [2021-11-07 01:19:44,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:19:44,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:19:44,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:19:44,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:19:44,131 INFO L87 Difference]: Start difference. First operand 3815 states and 5351 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:30,997 INFO L93 Difference]: Finished difference Result 10462 states and 14555 transitions. [2021-11-07 01:20:30,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:20:30,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-07 01:20:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:31,027 INFO L225 Difference]: With dead ends: 10462 [2021-11-07 01:20:31,028 INFO L226 Difference]: Without dead ends: 6653 [2021-11-07 01:20:31,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:20:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2021-11-07 01:20:31,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 3825. [2021-11-07 01:20:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3825 states, 3763 states have (on average 1.3999468509168216) internal successors, (5268), 3764 states have internal predecessors, (5268), 36 states have call successors, (36), 21 states have call predecessors, (36), 24 states have return successors, (57), 39 states have call predecessors, (57), 36 states have call successors, (57) [2021-11-07 01:20:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3825 states and 5361 transitions. [2021-11-07 01:20:31,567 INFO L78 Accepts]: Start accepts. Automaton has 3825 states and 5361 transitions. Word has length 102 [2021-11-07 01:20:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:31,568 INFO L470 AbstractCegarLoop]: Abstraction has 3825 states and 5361 transitions. [2021-11-07 01:20:31,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 5361 transitions. [2021-11-07 01:20:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 01:20:31,573 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:31,573 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, 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 01:20:31,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:31,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:31,797 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting cx88_dvb_bus_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:20:31,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1606789457, now seen corresponding path program 1 times [2021-11-07 01:20:31,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:31,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177646386] [2021-11-07 01:20:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:31,817 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:31,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:31,819 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:31,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:21:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:21:29,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 3147 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:21:29,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:21:30,453 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:21:30,509 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 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:21:30,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-11-07 01:21:30,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2021-11-07 01:21:31,244 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 01:21:31,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:21:32,291 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 01:21:32,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:21:32,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177646386] [2021-11-07 01:21:32,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177646386] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:21:32,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:21:32,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 01:21:32,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676640446] [2021-11-07 01:21:32,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:21:32,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:21:32,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:21:32,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:21:32,294 INFO L87 Difference]: Start difference. First operand 3825 states and 5361 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:11,313 INFO L93 Difference]: Finished difference Result 7742 states and 10896 transitions. [2021-11-07 01:22:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:22:11,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-07 01:22:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:11,333 INFO L225 Difference]: With dead ends: 7742 [2021-11-07 01:22:11,333 INFO L226 Difference]: Without dead ends: 3923 [2021-11-07 01:22:11,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:22:11,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2021-11-07 01:22:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3866. [2021-11-07 01:22:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3804 states have (on average 1.3998422712933754) internal successors, (5325), 3805 states have internal predecessors, (5325), 36 states have call successors, (36), 21 states have call predecessors, (36), 24 states have return successors, (57), 39 states have call predecessors, (57), 36 states have call successors, (57) [2021-11-07 01:22:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5418 transitions. [2021-11-07 01:22:11,664 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5418 transitions. Word has length 102 [2021-11-07 01:22:11,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:11,665 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 5418 transitions. [2021-11-07 01:22:11,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5418 transitions. [2021-11-07 01:22:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 01:22:11,670 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:11,671 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, 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 01:22:11,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:11,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:11,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting cx88_dvb_bus_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-07 01:22:11,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:11,897 INFO L85 PathProgramCache]: Analyzing trace with hash 334316178, now seen corresponding path program 1 times [2021-11-07 01:22:11,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:11,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251155977] [2021-11-07 01:22:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:11,915 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:11,916 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df54cf9d-0f89-47dd-b28d-4570c3d1d9f3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process