./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:42:45,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:42:45,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:42:45,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:42:45,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:42:45,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:42:45,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:42:45,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:42:45,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:42:45,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:42:45,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:42:45,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:42:45,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:42:45,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:42:45,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:42:45,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:42:45,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:42:45,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:42:45,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:42:45,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:42:45,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:42:45,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:42:45,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:42:45,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:42:45,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:42:45,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:42:45,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:42:45,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:42:45,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:42:45,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:42:45,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:42:45,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:42:45,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:42:45,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:42:45,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:42:45,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:42:45,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:42:45,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:42:45,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:42:45,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:42:45,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:42:45,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:42:45,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:42:45,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:42:45,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:42:45,239 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:42:45,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:42:45,239 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:42:45,239 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:42:45,239 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:42:45,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:42:45,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:42:45,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:42:45,247 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:42:45,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:42:45,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:42:45,248 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:42:45,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:42:45,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:42:45,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:42:45,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:42:45,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:42:45,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:42:45,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:42:45,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:42:45,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:42:45,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:42:45,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:42:45,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:42:45,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:45,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:42:45,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:42:45,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:42:45,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:42:45,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:42:45,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:42:45,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:42:45,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:42:45,255 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-03 03:42:45,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:42:45,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:42:45,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:42:45,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:42:45,544 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:42:45,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-03 03:42:45,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/bc6acce3d/388ffa0b8ddc4c06a25478238d58e304/FLAGe00015506 [2021-11-03 03:42:46,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:42:46,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-03 03:42:46,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/bc6acce3d/388ffa0b8ddc4c06a25478238d58e304/FLAGe00015506 [2021-11-03 03:42:47,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/bc6acce3d/388ffa0b8ddc4c06a25478238d58e304 [2021-11-03 03:42:47,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:42:47,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:42:47,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:47,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:42:47,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:42:47,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:47" (1/1) ... [2021-11-03 03:42:47,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a04f07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:47, skipping insertion in model container [2021-11-03 03:42:47,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:47" (1/1) ... [2021-11-03 03:42:47,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:42:47,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:47,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,223 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,320 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,369 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,498 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,507 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,512 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,513 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,517 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,527 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,536 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,543 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,545 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,545 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,552 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:42:48,572 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-03 03:42:48,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:48,631 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 03:42:48,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@663a58f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:48, skipping insertion in model container [2021-11-03 03:42:48,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:48,632 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:42:48,635 INFO L168 Benchmark]: Toolchain (without parser) took 1614.06 ms. Allocated memory is still 111.1 MB. Free memory was 75.2 MB in the beginning and 45.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:48,636 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:42:48,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1611.25 ms. Allocated memory is still 111.1 MB. Free memory was 75.0 MB in the beginning and 45.6 MB in the end (delta: 29.4 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:48,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1611.25 ms. Allocated memory is still 111.1 MB. Free memory was 75.0 MB in the beginning and 45.6 MB in the end (delta: 29.4 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3767]: 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:42:50,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:42:50,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:42:51,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:42:51,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:42:51,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:42:51,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:42:51,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:42:51,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:42:51,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:42:51,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:42:51,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:42:51,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:42:51,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:42:51,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:42:51,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:42:51,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:42:51,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:42:51,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:42:51,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:42:51,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:42:51,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:42:51,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:42:51,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:42:51,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:42:51,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:42:51,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:42:51,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:42:51,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:42:51,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:42:51,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:42:51,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:42:51,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:42:51,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:42:51,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:42:51,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:42:51,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:42:51,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:42:51,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:42:51,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:42:51,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:42:51,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:42:51,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:42:51,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:42:51,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:42:51,110 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:42:51,110 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:42:51,110 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:42:51,111 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:42:51,111 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:42:51,111 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:42:51,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:42:51,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:42:51,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:42:51,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:42:51,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:42:51,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:42:51,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:42:51,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:42:51,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:42:51,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:42:51,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:42:51,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:42:51,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:42:51,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:42:51,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:51,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:42:51,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:42:51,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:42:51,117 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:42:51,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:42:51,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:42:51,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:42:51,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:42:51,118 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-03 03:42:51,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:42:51,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:42:51,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:42:51,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:42:51,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:42:51,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-03 03:42:51,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/28170c78d/d792c5ae261144e4994fc8ff0f1cb175/FLAGbcb035e0b [2021-11-03 03:42:52,607 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:42:52,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-03 03:42:52,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/28170c78d/d792c5ae261144e4994fc8ff0f1cb175/FLAGbcb035e0b [2021-11-03 03:42:52,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/data/28170c78d/d792c5ae261144e4994fc8ff0f1cb175 [2021-11-03 03:42:52,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:42:52,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:42:52,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:52,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:42:52,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:42:52,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:52" (1/1) ... [2021-11-03 03:42:52,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc212f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:52, skipping insertion in model container [2021-11-03 03:42:52,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:52" (1/1) ... [2021-11-03 03:42:52,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:42:52,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:54,559 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-03 03:42:54,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:54,624 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:42:54,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:54,965 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-03 03:42:54,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:55,009 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:42:55,368 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_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-03 03:42:55,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:55,483 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:42:55,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55 WrapperNode [2021-11-03 03:42:55,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:55,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:55,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:42:55,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:42:55,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:56,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:56,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:42:56,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:42:56,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:42:56,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:56,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:56,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:56,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:57,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:57,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:57,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:57,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:42:57,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:42:57,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:42:57,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:42:57,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:57,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:57,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:42:57,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:42:57,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:42:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:42:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:42:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:42:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:42:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 03:42:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:42:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:42:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 03:42:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:42:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:42:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:42:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:42:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:42:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:42:58,544 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:42:58,592 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:42:58,811 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:42:58,847 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:50:01,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-03 03:50:01,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-03 03:50:01,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2511: assume !false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2510: assume false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2517: assume !false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2516: assume false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2506: assume !false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2505: assume false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-03 03:50:01,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-03 03:50:01,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-03 03:50:01,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-03 03:50:01,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-03 03:50:01,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-03 03:50:01,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-03 03:50:01,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-03 03:50:01,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-03 03:50:01,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-03 03:50:01,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2542: assume !false; [2021-11-03 03:50:01,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-03 03:50:01,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2541: assume false; [2021-11-03 03:50:01,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2546: assume false; [2021-11-03 03:50:01,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-03 03:50:01,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2547: assume !false; [2021-11-03 03:50:01,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-03 03:50:01,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-03 03:50:01,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-03 03:50:01,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2522: assume !false; [2021-11-03 03:50:01,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2521: assume false; [2021-11-03 03:50:01,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-03 03:50:01,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-03 03:50:01,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-03 03:50:01,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-03 03:50:01,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-03 03:50:01,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-03 03:50:01,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-03 03:50:01,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2490: assume false; [2021-11-03 03:50:01,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-03 03:50:01,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2491: assume !false; [2021-11-03 03:50:01,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume !false; [2021-11-03 03:50:01,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2495: assume false; [2021-11-03 03:50:01,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-03 03:50:01,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-03 03:50:01,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-03 03:50:01,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-03 03:50:01,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2470: assume false; [2021-11-03 03:50:01,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume !false; [2021-11-03 03:50:01,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-03 03:50:01,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-03 03:50:01,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-03 03:50:01,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-03 03:50:01,739 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2440: assume !false; [2021-11-03 03:50:01,739 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume !false; [2021-11-03 03:50:01,739 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2444: assume false; [2021-11-03 03:50:01,739 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-03 03:50:01,739 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2434: assume false; [2021-11-03 03:50:01,740 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2435: assume !false; [2021-11-03 03:50:01,740 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume false; [2021-11-03 03:50:01,740 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2423: assume !false; [2021-11-03 03:50:01,740 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2422: assume false; [2021-11-03 03:50:01,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2427: assume false; [2021-11-03 03:50:01,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2428: assume !false; [2021-11-03 03:50:01,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-11-03 03:50:01,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-11-03 03:50:01,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-03 03:50:01,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-03 03:50:01,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-03 03:50:01,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-03 03:50:01,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-03 03:50:01,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume false; [2021-11-03 03:50:01,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2392: assume !false; [2021-11-03 03:50:01,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2397: assume false; [2021-11-03 03:50:01,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2398: assume !false; [2021-11-03 03:50:01,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2386: assume false; [2021-11-03 03:50:01,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-03 03:50:01,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2387: assume !false; [2021-11-03 03:50:01,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-03 03:50:01,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2371: assume false; [2021-11-03 03:50:01,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume !false; [2021-11-03 03:50:01,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2377: assume !false; [2021-11-03 03:50:01,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2376: assume false; [2021-11-03 03:50:01,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3600: assume false; [2021-11-03 03:50:01,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3601: assume !false; [2021-11-03 03:50:01,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3671: assume false; [2021-11-03 03:50:01,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3672: assume !false; [2021-11-03 03:50:01,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3677: assume !false; [2021-11-03 03:50:01,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume false; [2021-11-03 03:50:01,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3651: assume false; [2021-11-03 03:50:01,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3652: assume !false; [2021-11-03 03:50:01,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3640: assume false; [2021-11-03 03:50:01,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3641: assume !false; [2021-11-03 03:50:01,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3646: assume false; [2021-11-03 03:50:01,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2317: assume !false; [2021-11-03 03:50:01,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2316: assume false; [2021-11-03 03:50:01,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3647: assume !false; [2021-11-03 03:50:01,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3635: assume false; [2021-11-03 03:50:01,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3636: assume !false; [2021-11-03 03:50:01,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2308: assume !false; [2021-11-03 03:50:01,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2307: assume false; [2021-11-03 03:50:01,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3620: assume false; [2021-11-03 03:50:01,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3621: assume !false; [2021-11-03 03:50:01,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3626: assume !false; [2021-11-03 03:50:01,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3625: assume false; [2021-11-03 03:50:01,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2298: assume false; [2021-11-03 03:50:01,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2299: assume !false; [2021-11-03 03:50:01,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2274: assume false; [2021-11-03 03:50:01,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2275: assume !false; [2021-11-03 03:50:01,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3590: assume false; [2021-11-03 03:50:01,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3591: assume !false; [2021-11-03 03:50:01,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3596: assume !false; [2021-11-03 03:50:01,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3595: assume false; [2021-11-03 03:50:01,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3570: assume !false; [2021-11-03 03:50:01,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3574: assume false; [2021-11-03 03:50:01,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3575: assume !false; [2021-11-03 03:50:01,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-03 03:50:01,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-03 03:50:01,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-03 03:50:01,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-03 03:50:01,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-03 03:50:01,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-03 03:50:01,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-03 03:50:01,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-03 03:50:01,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-03 03:50:01,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-03 03:50:01,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-03 03:50:01,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-03 03:50:01,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-03 03:50:01,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3565: assume !false; [2021-11-03 03:50:01,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3564: assume false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3569: assume false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3552: assume false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3553: assume !false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-03 03:50:01,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3532: assume false; [2021-11-03 03:50:01,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3533: assume !false; [2021-11-03 03:50:01,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2207: assume !false; [2021-11-03 03:50:01,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2206: assume false; [2021-11-03 03:50:01,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3521: assume false; [2021-11-03 03:50:01,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3522: assume !false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3527: assume false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3528: assume !false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3517: assume !false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3501: assume false; [2021-11-03 03:50:01,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3502: assume !false; [2021-11-03 03:50:01,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3507: assume !false; [2021-11-03 03:50:01,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3506: assume false; [2021-11-03 03:50:01,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1668: assume false; [2021-11-03 03:50:01,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1669: assume !false; [2021-11-03 03:50:01,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1644: assume false; [2021-11-03 03:50:01,759 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1645: assume !false; [2021-11-03 03:50:01,759 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1686: assume false; [2021-11-03 03:50:01,759 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1687: assume !false; [2021-11-03 03:50:01,759 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1677: assume false; [2021-11-03 03:50:01,759 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1678: assume !false; [2021-11-03 03:50:01,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2865: assume !false; [2021-11-03 03:50:01,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2864: assume false; [2021-11-03 03:50:01,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-03 03:50:01,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-03 03:50:01,760 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-03 03:50:01,761 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-03 03:50:01,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3992: assume !false; [2021-11-03 03:50:01,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-03 03:50:01,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3991: assume false; [2021-11-03 03:50:01,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-03 03:50:01,762 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-03 03:50:01,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3031: assume false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3032: assume !false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3022: assume false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3023: assume !false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3013: assume false; [2021-11-03 03:50:01,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3014: assume !false; [2021-11-03 03:50:01,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3091: assume false; [2021-11-03 03:50:01,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3092: assume !false; [2021-11-03 03:50:01,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3086: assume false; [2021-11-03 03:50:01,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3087: assume !false; [2021-11-03 03:50:01,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-03 03:50:01,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-03 03:50:01,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-03 03:50:01,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-03 03:50:01,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-03 03:50:01,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-03 03:50:01,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-03 03:50:01,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-03 03:50:01,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-03 03:50:01,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-03 03:50:01,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-03 03:50:01,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-03 03:50:01,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-03 03:50:01,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-03 03:50:01,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-03 03:50:01,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-03 03:50:01,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4259: assume !false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4258: assume false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-03 03:50:01,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4233: assume false; [2021-11-03 03:50:01,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4234: assume !false; [2021-11-03 03:50:01,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4238: assume false; [2021-11-03 03:50:01,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4239: assume !false; [2021-11-03 03:50:01,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-03 03:50:01,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4222: assume false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4223: assume !false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4227: assume false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4228: assume !false; [2021-11-03 03:50:01,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4212: assume false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4213: assume !false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4208: assume !false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4207: assume false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4264: assume !false; [2021-11-03 03:50:01,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-03 03:50:01,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-03 03:50:01,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-03 03:50:01,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-03 03:50:01,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-03 03:50:01,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-03 03:50:01,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-03 03:50:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-03 03:50:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-03 03:50:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-03 03:50:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-03 03:50:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4120: assume !false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4114: assume false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4115: assume !false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4119: assume false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4103: assume false; [2021-11-03 03:50:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4104: assume !false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4109: assume !false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4108: assume false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4183: assume !false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4187: assume false; [2021-11-03 03:50:01,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4188: assume !false; [2021-11-03 03:50:01,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4178: assume !false; [2021-11-03 03:50:01,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4177: assume false; [2021-11-03 03:50:01,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4161: assume false; [2021-11-03 03:50:01,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4162: assume !false; [2021-11-03 03:50:01,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4152: assume !false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4151: assume false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4156: assume false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4157: assume !false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4145: assume !false; [2021-11-03 03:50:01,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4144: assume false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4015: assume false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4016: assume !false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4093: assume false; [2021-11-03 03:50:01,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4094: assume !false; [2021-11-03 03:50:01,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4088: assume false; [2021-11-03 03:50:01,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4089: assume !false; [2021-11-03 03:50:01,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4033: assume false; [2021-11-03 03:50:01,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4034: assume !false; [2021-11-03 03:50:01,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4024: assume false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4025: assume !false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-03 03:50:01,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3446: assume false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3447: assume !false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3437: assume false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3438: assume !false; [2021-11-03 03:50:01,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3428: assume false; [2021-11-03 03:50:01,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3429: assume !false; [2021-11-03 03:50:01,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3404: assume false; [2021-11-03 03:50:01,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3405: assume !false; [2021-11-03 03:50:01,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-03 03:50:01,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-03 03:50:01,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-03 03:50:01,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3262: assume !false; [2021-11-03 03:50:01,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3257: assume !false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3256: assume false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3231: assume false; [2021-11-03 03:50:01,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3232: assume !false; [2021-11-03 03:50:01,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3237: assume !false; [2021-11-03 03:50:01,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3236: assume false; [2021-11-03 03:50:01,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-03 03:50:01,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-03 03:50:01,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3220: assume false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3221: assume !false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3226: assume !false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3225: assume false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-03 03:50:01,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3211: assume !false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3210: assume false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-03 03:50:01,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-03 03:50:01,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-03 03:50:01,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-03 03:50:01,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-03 03:50:01,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-03 03:50:01,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-03 03:50:01,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3206: assume !false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3205: assume false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3160: assume !false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3150: assume !false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3154: assume false; [2021-11-03 03:50:01,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3155: assume !false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3159: assume false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3149: assume false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3138: assume !false; [2021-11-03 03:50:01,796 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3137: assume false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3112: assume false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3113: assume !false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3118: assume !false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3117: assume false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3101: assume false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3102: assume !false; [2021-11-03 03:50:01,797 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3107: assume !false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3106: assume false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3181: assume !false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3180: assume false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3185: assume false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-03 03:50:01,798 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3186: assume !false; [2021-11-03 03:50:01,799 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-03 03:50:01,799 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-03 03:50:01,799 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-03 03:50:01,799 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3176: assume !false; [2021-11-03 03:50:01,799 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3175: assume false; [2021-11-03 03:50:01,800 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1916: assume false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume !false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1911: assume false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume !false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1891: assume false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1892: assume !false; [2021-11-03 03:50:01,801 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1880: assume false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1881: assume !false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1886: assume false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1887: assume !false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1875: assume false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume !false; [2021-11-03 03:50:01,802 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1860: assume false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1861: assume !false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1865: assume false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1866: assume !false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1840: assume false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume !false; [2021-11-03 03:50:01,803 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume false; [2021-11-03 03:50:01,804 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1831: assume !false; [2021-11-03 03:50:01,804 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume false; [2021-11-03 03:50:01,804 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1836: assume !false; [2021-11-03 03:50:01,804 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-03 03:50:01,804 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1814: assume false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1815: assume !false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1772: assume false; [2021-11-03 03:50:01,805 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1773: assume !false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1761: assume false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1762: assume !false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1767: assume false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1768: assume !false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1756: assume false; [2021-11-03 03:50:01,806 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1757: assume !false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1741: assume false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1742: assume !false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1746: assume false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1747: assume !false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1792: assume false; [2021-11-03 03:50:01,807 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume !false; [2021-11-03 03:50:01,808 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1797: assume false; [2021-11-03 03:50:01,808 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume !false; [2021-11-03 03:50:01,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:50:01,845 INFO L299 CfgBuilder]: Removed 4123 assume(true) statements. [2021-11-03 03:50:01,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:01 BoogieIcfgContainer [2021-11-03 03:50:01,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:50:01,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:50:01,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:50:01,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:50:01,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:42:52" (1/3) ... [2021-11-03 03:50:01,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d495738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:01, skipping insertion in model container [2021-11-03 03:50:01,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (2/3) ... [2021-11-03 03:50:01,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d495738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:01, skipping insertion in model container [2021-11-03 03:50:01,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:01" (3/3) ... [2021-11-03 03:50:01,862 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-03 03:50:01,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:50:01,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-03 03:50:01,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:50:01,944 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:50:01,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-03 03:50:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:02,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 03:50:02,026 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:02,027 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:02,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:02,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:02,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1415841910, now seen corresponding path program 1 times [2021-11-03 03:50:02,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:02,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308596822] [2021-11-03 03:50:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:02,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:02,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:02,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:50:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:03,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:50:03,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:03,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:03,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:03,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308596822] [2021-11-03 03:50:03,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308596822] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:03,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:03,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:50:03,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526371499] [2021-11-03 03:50:03,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:50:03,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:03,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:50:03,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:50:03,649 INFO L87 Difference]: Start difference. First operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-03 03:50:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:07,833 INFO L93 Difference]: Finished difference Result 16570 states and 22698 transitions. [2021-11-03 03:50:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:50:07,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 9 [2021-11-03 03:50:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:07,965 INFO L225 Difference]: With dead ends: 16570 [2021-11-03 03:50:07,965 INFO L226 Difference]: Without dead ends: 12199 [2021-11-03 03:50:07,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:50:08,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12199 states. [2021-11-03 03:50:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12199 to 4090. [2021-11-03 03:50:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4090 states, 4071 states have (on average 1.3151559813313682) internal successors, (5354), 4089 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 4090 states and 5354 transitions. [2021-11-03 03:50:08,313 INFO L78 Accepts]: Start accepts. Automaton has 4090 states and 5354 transitions. Word has length 9 [2021-11-03 03:50:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:08,313 INFO L470 AbstractCegarLoop]: Abstraction has 4090 states and 5354 transitions. [2021-11-03 03:50:08,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-03 03:50:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 5354 transitions. [2021-11-03 03:50:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:50:08,315 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:08,315 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:08,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:08,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:08,538 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash -540315279, now seen corresponding path program 1 times [2021-11-03 03:50:08,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:08,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179643563] [2021-11-03 03:50:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:08,541 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:08,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:08,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:08,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:50:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:09,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:50:09,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:09,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:10,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:10,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179643563] [2021-11-03 03:50:10,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179643563] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:10,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:10,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 03:50:10,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849358684] [2021-11-03 03:50:10,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:50:10,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:50:10,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:50:10,079 INFO L87 Difference]: Start difference. First operand 4090 states and 5354 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:10,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:10,579 INFO L93 Difference]: Finished difference Result 8163 states and 10686 transitions. [2021-11-03 03:50:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:50:10,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 [2021-11-03 03:50:10,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:10,602 INFO L225 Difference]: With dead ends: 8163 [2021-11-03 03:50:10,603 INFO L226 Difference]: Without dead ends: 4078 [2021-11-03 03:50:10,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:50:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-03 03:50:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-03 03:50:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3131313131313131) internal successors, (5330), 4077 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5330 transitions. [2021-11-03 03:50:10,770 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5330 transitions. Word has length 10 [2021-11-03 03:50:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:10,771 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5330 transitions. [2021-11-03 03:50:10,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5330 transitions. [2021-11-03 03:50:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:50:10,772 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:10,772 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:10,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:10,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:10,995 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:10,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:10,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1051617038, now seen corresponding path program 1 times [2021-11-03 03:50:10,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:10,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135422542] [2021-11-03 03:50:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:10,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:11,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:11,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:50:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:12,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:50:12,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:12,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:12,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:12,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135422542] [2021-11-03 03:50:12,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135422542] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:12,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:12,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:50:12,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041820109] [2021-11-03 03:50:12,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:50:12,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:12,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:50:12,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:50:12,378 INFO L87 Difference]: Start difference. First operand 4078 states and 5330 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-03 03:50:12,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:12,668 INFO L93 Difference]: Finished difference Result 8149 states and 10651 transitions. [2021-11-03 03:50:12,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:50:12,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 [2021-11-03 03:50:12,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:12,698 INFO L225 Difference]: With dead ends: 8149 [2021-11-03 03:50:12,698 INFO L226 Difference]: Without dead ends: 4078 [2021-11-03 03:50:12,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:50:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-03 03:50:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-03 03:50:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3123922148312392) internal successors, (5327), 4077 states have internal predecessors, (5327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5327 transitions. [2021-11-03 03:50:12,931 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5327 transitions. Word has length 10 [2021-11-03 03:50:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:12,932 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5327 transitions. [2021-11-03 03:50:12,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-03 03:50:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5327 transitions. [2021-11-03 03:50:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 03:50:12,933 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:12,933 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:12,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:13,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:13,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:13,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:13,157 INFO L85 PathProgramCache]: Analyzing trace with hash -600431431, now seen corresponding path program 1 times [2021-11-03 03:50:13,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:13,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131445372] [2021-11-03 03:50:13,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:13,159 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:13,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:13,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:13,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:50:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:14,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:50:14,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:14,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:14,579 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:14,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131445372] [2021-11-03 03:50:14,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131445372] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:14,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:14,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:50:14,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680383080] [2021-11-03 03:50:14,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:50:14,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:50:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:50:14,582 INFO L87 Difference]: Start difference. First operand 4078 states and 5327 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:15,551 INFO L93 Difference]: Finished difference Result 12086 states and 15810 transitions. [2021-11-03 03:50:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:50:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-11-03 03:50:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:15,614 INFO L225 Difference]: With dead ends: 12086 [2021-11-03 03:50:15,615 INFO L226 Difference]: Without dead ends: 8059 [2021-11-03 03:50:15,624 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:50:15,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2021-11-03 03:50:16,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 8023. [2021-11-03 03:50:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 8004 states have (on average 1.3125937031484258) internal successors, (10506), 8022 states have internal predecessors, (10506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 10506 transitions. [2021-11-03 03:50:16,157 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 10506 transitions. Word has length 14 [2021-11-03 03:50:16,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:16,158 INFO L470 AbstractCegarLoop]: Abstraction has 8023 states and 10506 transitions. [2021-11-03 03:50:16,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 10506 transitions. [2021-11-03 03:50:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 03:50:16,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:16,163 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] [2021-11-03 03:50:16,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:16,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:16,378 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:16,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1657338387, now seen corresponding path program 1 times [2021-11-03 03:50:16,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:16,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116531317] [2021-11-03 03:50:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:16,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:16,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:16,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:16,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:50:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:17,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:50:17,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:17,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:17,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:17,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116531317] [2021-11-03 03:50:17,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116531317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:17,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:17,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 03:50:17,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932851110] [2021-11-03 03:50:17,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:50:17,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:17,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:50:17,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:50:17,981 INFO L87 Difference]: Start difference. First operand 8023 states and 10506 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:18,616 INFO L93 Difference]: Finished difference Result 15986 states and 20941 transitions. [2021-11-03 03:50:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:50:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 03:50:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:18,637 INFO L225 Difference]: With dead ends: 15986 [2021-11-03 03:50:18,637 INFO L226 Difference]: Without dead ends: 8014 [2021-11-03 03:50:18,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:50:18,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2021-11-03 03:50:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 8014. [2021-11-03 03:50:19,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 7995 states have (on average 1.3125703564727955) internal successors, (10494), 8013 states have internal predecessors, (10494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 10494 transitions. [2021-11-03 03:50:19,189 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 10494 transitions. Word has length 34 [2021-11-03 03:50:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:19,190 INFO L470 AbstractCegarLoop]: Abstraction has 8014 states and 10494 transitions. [2021-11-03 03:50:19,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 10494 transitions. [2021-11-03 03:50:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 03:50:19,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:19,196 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] [2021-11-03 03:50:19,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:19,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:19,410 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:19,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:19,410 INFO L85 PathProgramCache]: Analyzing trace with hash -588898912, now seen corresponding path program 1 times [2021-11-03 03:50:19,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:19,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978082163] [2021-11-03 03:50:19,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:19,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:19,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:19,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:19,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:50:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:20,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:50:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:20,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:21,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:21,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978082163] [2021-11-03 03:50:21,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978082163] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:21,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:21,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 03:50:21,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808683637] [2021-11-03 03:50:21,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:50:21,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:50:21,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:50:21,075 INFO L87 Difference]: Start difference. First operand 8014 states and 10494 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:21,667 INFO L93 Difference]: Finished difference Result 16019 states and 20980 transitions. [2021-11-03 03:50:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:50:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 39 [2021-11-03 03:50:21,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:21,688 INFO L225 Difference]: With dead ends: 16019 [2021-11-03 03:50:21,688 INFO L226 Difference]: Without dead ends: 8052 [2021-11-03 03:50:21,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:50:21,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8052 states. [2021-11-03 03:50:22,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8052 to 8052. [2021-11-03 03:50:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8052 states, 8033 states have (on average 1.3118386655047927) internal successors, (10538), 8051 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8052 states to 8052 states and 10538 transitions. [2021-11-03 03:50:22,137 INFO L78 Accepts]: Start accepts. Automaton has 8052 states and 10538 transitions. Word has length 39 [2021-11-03 03:50:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:22,138 INFO L470 AbstractCegarLoop]: Abstraction has 8052 states and 10538 transitions. [2021-11-03 03:50:22,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8052 states and 10538 transitions. [2021-11-03 03:50:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 03:50:22,141 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:22,141 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:22,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:22,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:22,366 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:22,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1640348576, now seen corresponding path program 1 times [2021-11-03 03:50:22,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:22,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506694675] [2021-11-03 03:50:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:22,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:22,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:22,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:22,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:50:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:23,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:50:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:50:24,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:50:24,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:24,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506694675] [2021-11-03 03:50:24,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506694675] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:24,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:24,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 03:50:24,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548283279] [2021-11-03 03:50:24,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:50:24,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:24,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:50:24,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:50:24,560 INFO L87 Difference]: Start difference. First operand 8052 states and 10538 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:27,672 INFO L93 Difference]: Finished difference Result 16063 states and 21029 transitions. [2021-11-03 03:50:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:50:27,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 65 [2021-11-03 03:50:27,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:27,702 INFO L225 Difference]: With dead ends: 16063 [2021-11-03 03:50:27,702 INFO L226 Difference]: Without dead ends: 8044 [2021-11-03 03:50:27,718 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:50:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2021-11-03 03:50:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 8044. [2021-11-03 03:50:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3114018691588785) internal successors, (10524), 8043 states have internal predecessors, (10524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10524 transitions. [2021-11-03 03:50:28,170 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10524 transitions. Word has length 65 [2021-11-03 03:50:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:28,173 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10524 transitions. [2021-11-03 03:50:28,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10524 transitions. [2021-11-03 03:50:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-03 03:50:28,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:28,177 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:28,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:28,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:28,394 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash -498880212, now seen corresponding path program 1 times [2021-11-03 03:50:28,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:28,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509610232] [2021-11-03 03:50:28,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:28,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:28,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:28,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:50:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:29,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 03:50:29,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-03 03:50:30,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-03 03:50:31,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:31,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509610232] [2021-11-03 03:50:31,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509610232] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:31,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:31,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-03 03:50:31,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321643705] [2021-11-03 03:50:31,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 03:50:31,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:31,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 03:50:31,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:50:31,727 INFO L87 Difference]: Start difference. First operand 8044 states and 10524 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:38,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:38,713 INFO L93 Difference]: Finished difference Result 23955 states and 31358 transitions. [2021-11-03 03:50:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:50:38,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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 87 [2021-11-03 03:50:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:38,760 INFO L225 Difference]: With dead ends: 23955 [2021-11-03 03:50:38,760 INFO L226 Difference]: Without dead ends: 15922 [2021-11-03 03:50:38,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-03 03:50:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15922 states. [2021-11-03 03:50:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15922 to 8044. [2021-11-03 03:50:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.311152647975078) internal successors, (10522), 8043 states have internal predecessors, (10522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10522 transitions. [2021-11-03 03:50:39,323 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10522 transitions. Word has length 87 [2021-11-03 03:50:39,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:39,324 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10522 transitions. [2021-11-03 03:50:39,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:50:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10522 transitions. [2021-11-03 03:50:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-03 03:50:39,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:39,326 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:39,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:39,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:39,550 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:50:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:39,551 INFO L85 PathProgramCache]: Analyzing trace with hash 167604416, now seen corresponding path program 1 times [2021-11-03 03:50:39,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:39,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048064369] [2021-11-03 03:50:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:39,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:39,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:39,553 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:39,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 03:50:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:41,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 03:50:41,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-03 03:50:42,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-03 03:50:43,069 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:43,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048064369] [2021-11-03 03:50:43,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048064369] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:43,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:43,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 14 [2021-11-03 03:50:43,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917416176] [2021-11-03 03:50:43,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 03:50:43,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:43,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 03:50:43,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:50:43,072 INFO L87 Difference]: Start difference. First operand 8044 states and 10522 transitions. Second operand has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:51:03,490 INFO L93 Difference]: Finished difference Result 46919 states and 61486 transitions. [2021-11-03 03:51:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 03:51:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 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 93 [2021-11-03 03:51:03,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:51:03,584 INFO L225 Difference]: With dead ends: 46919 [2021-11-03 03:51:03,584 INFO L226 Difference]: Without dead ends: 38897 [2021-11-03 03:51:03,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2021-11-03 03:51:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38897 states. [2021-11-03 03:51:04,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38897 to 8044. [2021-11-03 03:51:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3109034267912774) internal successors, (10520), 8043 states have internal predecessors, (10520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10520 transitions. [2021-11-03 03:51:04,763 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10520 transitions. Word has length 93 [2021-11-03 03:51:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:51:04,763 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10520 transitions. [2021-11-03 03:51:04,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10520 transitions. [2021-11-03 03:51:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-03 03:51:04,766 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:51:04,766 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:51:04,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-03 03:51:04,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:51:04,990 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:51:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:51:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1026254778, now seen corresponding path program 1 times [2021-11-03 03:51:04,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:51:04,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067692259] [2021-11-03 03:51:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:04,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:51:04,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:51:04,993 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:51:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 03:51:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:06,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:51:06,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-03 03:51:07,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-03 03:51:08,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:51:08,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067692259] [2021-11-03 03:51:08,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067692259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:51:08,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:51:08,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:51:08,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024476247] [2021-11-03 03:51:08,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:51:08,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:51:08,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:51:08,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:51:08,100 INFO L87 Difference]: Start difference. First operand 8044 states and 10520 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:51:12,868 INFO L93 Difference]: Finished difference Result 23898 states and 31291 transitions. [2021-11-03 03:51:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:51:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 99 [2021-11-03 03:51:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:51:12,899 INFO L225 Difference]: With dead ends: 23898 [2021-11-03 03:51:12,899 INFO L226 Difference]: Without dead ends: 15883 [2021-11-03 03:51:12,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:51:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15883 states. [2021-11-03 03:51:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15883 to 8044. [2021-11-03 03:51:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3106542056074766) internal successors, (10518), 8043 states have internal predecessors, (10518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10518 transitions. [2021-11-03 03:51:13,701 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10518 transitions. Word has length 99 [2021-11-03 03:51:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:51:13,702 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10518 transitions. [2021-11-03 03:51:13,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10518 transitions. [2021-11-03 03:51:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-03 03:51:13,705 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:51:13,705 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:51:13,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-03 03:51:13,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:51:13,922 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:51:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:51:13,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1546477216, now seen corresponding path program 1 times [2021-11-03 03:51:13,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:51:13,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600523284] [2021-11-03 03:51:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:13,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:51:13,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:51:13,933 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:51:13,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 03:51:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:15,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:51:15,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:17,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:18,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:51:18,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600523284] [2021-11-03 03:51:18,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600523284] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:51:18,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [649617117] [2021-11-03 03:51:18,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:18,914 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:51:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:51:18,916 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:51:18,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-03 03:51:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:21,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:51:21,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:22,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:23,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [649617117] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:51:23,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396754541] [2021-11-03 03:51:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:23,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:51:23,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:51:23,844 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:51:23,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-03 03:51:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:25,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:51:25,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-03 03:51:26,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-03 03:51:27,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396754541] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:51:27,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 03:51:27,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 6, 6, 6] total 14 [2021-11-03 03:51:27,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589869967] [2021-11-03 03:51:27,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:51:27,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:51:27,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:51:27,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:51:27,695 INFO L87 Difference]: Start difference. First operand 8044 states and 10518 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:51:34,007 INFO L93 Difference]: Finished difference Result 31926 states and 41896 transitions. [2021-11-03 03:51:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:51:34,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 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 105 [2021-11-03 03:51:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:51:34,062 INFO L225 Difference]: With dead ends: 31926 [2021-11-03 03:51:34,062 INFO L226 Difference]: Without dead ends: 27899 [2021-11-03 03:51:34,073 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:51:34,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27899 states. [2021-11-03 03:51:36,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27899 to 23806. [2021-11-03 03:51:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23806 states, 23787 states have (on average 1.3128179257577668) internal successors, (31228), 23805 states have internal predecessors, (31228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 31228 transitions. [2021-11-03 03:51:36,391 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 31228 transitions. Word has length 105 [2021-11-03 03:51:36,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:51:36,391 INFO L470 AbstractCegarLoop]: Abstraction has 23806 states and 31228 transitions. [2021-11-03 03:51:36,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 31228 transitions. [2021-11-03 03:51:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-03 03:51:36,393 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:51:36,393 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:51:36,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-11-03 03:51:36,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-03 03:51:36,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-03 03:51:36,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:51:36,995 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:51:36,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:51:36,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1153450206, now seen corresponding path program 1 times [2021-11-03 03:51:36,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:51:36,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898104507] [2021-11-03 03:51:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:36,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:51:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:51:36,998 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:51:36,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 03:51:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:39,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:51:39,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:40,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:42,250 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:51:42,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898104507] [2021-11-03 03:51:42,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898104507] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:51:42,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1242292712] [2021-11-03 03:51:42,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:42,251 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:51:42,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:51:42,252 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:51:42,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-03 03:51:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:44,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:51:44,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:46,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:47,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1242292712] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:51:47,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041373955] [2021-11-03 03:51:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:51:47,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:51:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:51:47,690 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:51:47,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-03 03:51:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:51:49,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:51:49,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:50,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:51:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:51:51,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041373955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:51:51,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 03:51:51,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2021-11-03 03:51:51,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313061175] [2021-11-03 03:51:51,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:51:51,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:51:51,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:51:51,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:51:51,781 INFO L87 Difference]: Start difference. First operand 23806 states and 31228 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:54,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:51:54,382 INFO L93 Difference]: Finished difference Result 47667 states and 62514 transitions. [2021-11-03 03:51:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:51:54,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 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 105 [2021-11-03 03:51:54,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:51:54,414 INFO L225 Difference]: With dead ends: 47667 [2021-11-03 03:51:54,414 INFO L226 Difference]: Without dead ends: 23938 [2021-11-03 03:51:54,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-03 03:51:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23938 states. [2021-11-03 03:51:56,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23938 to 23938. [2021-11-03 03:51:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23938 states, 23919 states have (on average 1.3110916008194322) internal successors, (31360), 23937 states have internal predecessors, (31360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23938 states to 23938 states and 31360 transitions. [2021-11-03 03:51:56,871 INFO L78 Accepts]: Start accepts. Automaton has 23938 states and 31360 transitions. Word has length 105 [2021-11-03 03:51:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:51:56,872 INFO L470 AbstractCegarLoop]: Abstraction has 23938 states and 31360 transitions. [2021-11-03 03:51:56,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:51:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 23938 states and 31360 transitions. [2021-11-03 03:51:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-03 03:51:56,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:51:56,876 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:51:56,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-03 03:51:57,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-03 03:51:57,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 03:51:57,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:51:57,493 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:51:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:51:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1587412258, now seen corresponding path program 2 times [2021-11-03 03:51:57,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:51:57,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756370504] [2021-11-03 03:51:57,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 03:51:57,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:51:57,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:51:57,496 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:51:57,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 03:51:59,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-03 03:51:59,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:51:59,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 03:51:59,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:51:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-03 03:51:59,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-03 03:52:00,644 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:00,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756370504] [2021-11-03 03:52:00,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756370504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:00,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:00,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-03 03:52:00,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450095642] [2021-11-03 03:52:00,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:52:00,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:52:00,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:52:00,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:52:00,647 INFO L87 Difference]: Start difference. First operand 23938 states and 31360 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:18,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:18,061 INFO L93 Difference]: Finished difference Result 162830 states and 213704 transitions. [2021-11-03 03:52:18,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:52:18,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237 [2021-11-03 03:52:18,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:18,527 INFO L225 Difference]: With dead ends: 162830 [2021-11-03 03:52:18,527 INFO L226 Difference]: Without dead ends: 139109 [2021-11-03 03:52:18,588 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:52:18,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139109 states. [2021-11-03 03:52:24,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139109 to 47279. [2021-11-03 03:52:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47279 states, 47260 states have (on average 1.311891663140076) internal successors, (62000), 47278 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47279 states to 47279 states and 62000 transitions. [2021-11-03 03:52:25,032 INFO L78 Accepts]: Start accepts. Automaton has 47279 states and 62000 transitions. Word has length 237 [2021-11-03 03:52:25,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:25,032 INFO L470 AbstractCegarLoop]: Abstraction has 47279 states and 62000 transitions. [2021-11-03 03:52:25,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 47279 states and 62000 transitions. [2021-11-03 03:52:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-03 03:52:25,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:25,036 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:25,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:25,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:52:25,250 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-03 03:52:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash 545416490, now seen corresponding path program 1 times [2021-11-03 03:52:25,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:52:25,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891708992] [2021-11-03 03:52:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:25,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:52:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:52:25,253 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:52:25,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 03:52:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:29,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:52:29,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:34,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:38,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:38,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891708992] [2021-11-03 03:52:38,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891708992] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:38,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1771678106] [2021-11-03 03:52:38,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:38,013 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:52:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:52:38,014 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:52:38,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3a3fc-d51b-4ddf-a593-da132edf38b2/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-11-03 03:52:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:40,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:52:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-03 03:52:42,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-03 03:52:45,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1771678106] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:45,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 03:52:45,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10, 10] total 20 [2021-11-03 03:52:45,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456784185] [2021-11-03 03:52:45,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:52:45,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:52:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:52:45,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2021-11-03 03:52:45,305 INFO L87 Difference]: Start difference. First operand 47279 states and 62000 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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)