./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.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_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/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_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/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_6d2d7ecc-7495-4660-b850-0bc340868aa6/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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:42:39,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:42:39,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:42:39,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:42:39,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:42:39,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:42:39,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:42:39,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:42:39,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:42:39,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:42:39,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:42:39,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:42:39,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:42:39,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:42:39,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:42:39,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:42:39,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:42:39,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:42:39,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:42:39,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:42:39,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:42:39,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:42:39,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:42:39,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:42:39,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:42:39,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:42:39,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:42:39,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:42:39,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:42:39,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:42:39,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:42:39,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:42:39,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:42:39,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:42:39,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:42:39,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:42:39,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:42:39,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:42:39,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:42:39,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:42:39,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:42:39,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:42:39,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:42:39,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:42:39,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:42:39,244 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:42:39,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:42:39,245 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:42:39,245 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:42:39,245 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:42:39,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:42:39,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:42:39,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:42:39,247 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:42:39,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:42:39,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:42:39,248 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:42:39,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:42:39,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:42:39,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:42:39,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:42:39,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:42:39,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:42:39,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:42:39,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:42:39,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:42:39,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:42:39,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:42:39,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:42:39,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:39,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:42:39,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:42:39,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:42:39,253 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:42:39,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:42:39,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:42:39,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:42:39,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:42:39,255 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2021-11-03 03:42:39,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:42:39,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:42:39,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:42:39,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:42:39,562 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:42:39,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-03 03:42:39,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/cd5ed6826/1055fc048dff4e3cb32a09d9fb9a03e5/FLAG1aa28f6c6 [2021-11-03 03:42:40,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:42:40,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-03 03:42:40,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/cd5ed6826/1055fc048dff4e3cb32a09d9fb9a03e5/FLAG1aa28f6c6 [2021-11-03 03:42:41,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/cd5ed6826/1055fc048dff4e3cb32a09d9fb9a03e5 [2021-11-03 03:42:41,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:42:41,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:42:41,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:41,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:42:41,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:42:41,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:41" (1/1) ... [2021-11-03 03:42:41,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11957845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:41, skipping insertion in model container [2021-11-03 03:42:41,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:41" (1/1) ... [2021-11-03 03:42:41,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:42:41,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:42,081 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 03:42:42,233 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-03 03:42:42,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:42,360 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 03:42:42,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e17aa4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:42, skipping insertion in model container [2021-11-03 03:42:42,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:42,362 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:42:42,365 INFO L168 Benchmark]: Toolchain (without parser) took 1350.07 ms. Allocated memory is still 140.5 MB. Free memory was 100.3 MB in the beginning and 80.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:42,366 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:42:42,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.46 ms. Allocated memory is still 140.5 MB. Free memory was 100.3 MB in the beginning and 80.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:42,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1343.46 ms. Allocated memory is still 140.5 MB. Free memory was 100.3 MB in the beginning and 80.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3413]: 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/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_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/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_6d2d7ecc-7495-4660-b850-0bc340868aa6/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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:42:44,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:42:44,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:42:44,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:42:44,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:42:44,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:42:44,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:42:44,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:42:44,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:42:44,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:42:44,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:42:44,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:42:44,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:42:44,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:42:44,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:42:44,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:42:44,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:42:44,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:42:44,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:42:44,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:42:44,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:42:44,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:42:44,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:42:44,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:42:44,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:42:44,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:42:44,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:42:44,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:42:44,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:42:44,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:42:44,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:42:44,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:42:44,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:42:44,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:42:44,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:42:44,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:42:44,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:42:44,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:42:44,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:42:44,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:42:44,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:42:44,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:42:45,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:42:45,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:42:45,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:42:45,005 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:42:45,005 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:42:45,006 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:42:45,006 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:42:45,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:42:45,006 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:42:45,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:42:45,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:42:45,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:42:45,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:42:45,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:42:45,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:42:45,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:42:45,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:42:45,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:42:45,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:42:45,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:42:45,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:42:45,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:42:45,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:42:45,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:45,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:42:45,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:42:45,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:42:45,014 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:42:45,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:42:45,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:42:45,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:42:45,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:42:45,015 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2021-11-03 03:42:45,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:42:45,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:42:45,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:42:45,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:42:45,485 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:42:45,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-03 03:42:45,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/7c98a0fd0/2db6e64631f44280b432730e0366dbf1/FLAG1c69f2e46 [2021-11-03 03:42:46,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:42:46,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-03 03:42:46,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/7c98a0fd0/2db6e64631f44280b432730e0366dbf1/FLAG1c69f2e46 [2021-11-03 03:42:46,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/data/7c98a0fd0/2db6e64631f44280b432730e0366dbf1 [2021-11-03 03:42:46,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:42:46,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:42:46,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:46,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:42:46,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:42:46,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:46" (1/1) ... [2021-11-03 03:42:46,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21187df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:46, skipping insertion in model container [2021-11-03 03:42:46,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:46" (1/1) ... [2021-11-03 03:42:46,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:42:47,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:48,303 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-03 03:42:48,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:48,461 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:42:48,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:48,682 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-03 03:42:48,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:48,755 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:42:49,000 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_6d2d7ecc-7495-4660-b850-0bc340868aa6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-03 03:42:49,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:49,136 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:42:49,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49 WrapperNode [2021-11-03 03:42:49,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:49,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:49,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:42:49,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:42:49,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:49,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:42:49,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:42:49,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:42:49,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:42:49,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:42:49,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:42:49,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:42:49,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (1/1) ... [2021-11-03 03:42:49,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:42:49,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:42:49,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:42:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:42:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:42:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:42:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:42:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:42:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:42:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:42:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:42:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 03:42:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:42:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:42:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:42:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:42:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:42:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:42:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:42:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:42:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:42:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:42:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:42:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:42:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 03:42:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:42:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:42:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:42:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:42:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:42:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:43:16,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:43:16,701 INFO L299 CfgBuilder]: Removed 735 assume(true) statements. [2021-11-03 03:43:16,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:16 BoogieIcfgContainer [2021-11-03 03:43:16,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:43:16,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:43:16,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:43:16,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:43:16,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:42:46" (1/3) ... [2021-11-03 03:43:16,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebae13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:16, skipping insertion in model container [2021-11-03 03:43:16,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:49" (2/3) ... [2021-11-03 03:43:16,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebae13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:16, skipping insertion in model container [2021-11-03 03:43:16,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:16" (3/3) ... [2021-11-03 03:43:16,715 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-03 03:43:16,721 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:43:16,721 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-03 03:43:16,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:43:16,788 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 03:43:16,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-03 03:43:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 695 states, 680 states have (on average 1.3647058823529412) internal successors, (928), 694 states have internal predecessors, (928), 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 03:43:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:43:16,843 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:16,844 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:16,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1913994957, now seen corresponding path program 1 times [2021-11-03 03:43:16,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:16,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064795931] [2021-11-03 03:43:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:16,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:16,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:16,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:43:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:18,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:18,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:18,202 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 03:43:18,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:18,283 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 03:43:18,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:18,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064795931] [2021-11-03 03:43:18,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064795931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:18,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:18,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:18,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509862709] [2021-11-03 03:43:18,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:18,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:18,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:18,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:18,315 INFO L87 Difference]: Start difference. First operand has 695 states, 680 states have (on average 1.3647058823529412) internal successors, (928), 694 states have internal predecessors, (928), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:43:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:19,342 INFO L93 Difference]: Finished difference Result 1567 states and 2101 transitions. [2021-11-03 03:43:19,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:19,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 03:43:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:19,367 INFO L225 Difference]: With dead ends: 1567 [2021-11-03 03:43:19,367 INFO L226 Difference]: Without dead ends: 867 [2021-11-03 03:43:19,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-11-03 03:43:19,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 821. [2021-11-03 03:43:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 807 states have (on average 1.3407682775712515) internal successors, (1082), 820 states have internal predecessors, (1082), 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 03:43:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1082 transitions. [2021-11-03 03:43:19,483 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1082 transitions. Word has length 12 [2021-11-03 03:43:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:19,483 INFO L470 AbstractCegarLoop]: Abstraction has 821 states and 1082 transitions. [2021-11-03 03:43:19,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:43:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1082 transitions. [2021-11-03 03:43:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 03:43:19,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:19,486 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:19,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:19,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:19,700 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:19,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:19,701 INFO L85 PathProgramCache]: Analyzing trace with hash 26844020, now seen corresponding path program 1 times [2021-11-03 03:43:19,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:19,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647576030] [2021-11-03 03:43:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:19,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:19,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:19,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:19,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:43:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:20,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:20,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:20,989 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 03:43:20,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:21,103 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 03:43:21,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:21,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647576030] [2021-11-03 03:43:21,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647576030] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:21,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:21,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:43:21,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199646694] [2021-11-03 03:43:21,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:43:21,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:21,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:43:21,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:43:21,107 INFO L87 Difference]: Start difference. First operand 821 states and 1082 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 03:43:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:23,576 INFO L93 Difference]: Finished difference Result 3135 states and 4153 transitions. [2021-11-03 03:43:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:43:23,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 19 [2021-11-03 03:43:23,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:23,592 INFO L225 Difference]: With dead ends: 3135 [2021-11-03 03:43:23,593 INFO L226 Difference]: Without dead ends: 2317 [2021-11-03 03:43:23,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 03:43:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2021-11-03 03:43:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 2281. [2021-11-03 03:43:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 2267 states have (on average 1.3445081605646227) internal successors, (3048), 2280 states have internal predecessors, (3048), 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 03:43:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3048 transitions. [2021-11-03 03:43:23,717 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3048 transitions. Word has length 19 [2021-11-03 03:43:23,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:23,718 INFO L470 AbstractCegarLoop]: Abstraction has 2281 states and 3048 transitions. [2021-11-03 03:43:23,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 03:43:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3048 transitions. [2021-11-03 03:43:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 03:43:23,724 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:23,725 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] [2021-11-03 03:43:23,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:23,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:23,940 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:23,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash 845521381, now seen corresponding path program 1 times [2021-11-03 03:43:23,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:23,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191560987] [2021-11-03 03:43:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:23,943 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:23,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:23,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:23,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:43:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:24,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 03:43:24,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:25,267 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 03:43:25,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:25,629 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 03:43:25,630 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:25,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191560987] [2021-11-03 03:43:25,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191560987] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:25,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:25,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-03 03:43:25,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450737556] [2021-11-03 03:43:25,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 03:43:25,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 03:43:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:43:25,632 INFO L87 Difference]: Start difference. First operand 2281 states and 3048 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 03:43:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:32,557 INFO L93 Difference]: Finished difference Result 27911 states and 37632 transitions. [2021-11-03 03:43:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-03 03:43:32,559 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 23 [2021-11-03 03:43:32,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:32,746 INFO L225 Difference]: With dead ends: 27911 [2021-11-03 03:43:32,746 INFO L226 Difference]: Without dead ends: 25633 [2021-11-03 03:43:32,764 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2021-11-03 03:43:32,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25633 states. [2021-11-03 03:43:33,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25633 to 2291. [2021-11-03 03:43:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 2277 states have (on average 1.3429951690821256) internal successors, (3058), 2290 states have internal predecessors, (3058), 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 03:43:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3058 transitions. [2021-11-03 03:43:33,332 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3058 transitions. Word has length 23 [2021-11-03 03:43:33,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:33,335 INFO L470 AbstractCegarLoop]: Abstraction has 2291 states and 3058 transitions. [2021-11-03 03:43:33,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 03:43:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3058 transitions. [2021-11-03 03:43:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 03:43:33,340 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:33,340 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] [2021-11-03 03:43:33,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:33,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:33,567 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:33,567 INFO L85 PathProgramCache]: Analyzing trace with hash -537706722, now seen corresponding path program 1 times [2021-11-03 03:43:33,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:33,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871670024] [2021-11-03 03:43:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:33,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:33,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:33,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:43:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:34,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:43:34,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:34,774 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 03:43:34,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:34,864 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 03:43:34,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:34,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871670024] [2021-11-03 03:43:34,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871670024] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:34,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:34,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:43:34,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127971245] [2021-11-03 03:43:34,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:43:34,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:34,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:43:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:43:34,866 INFO L87 Difference]: Start difference. First operand 2291 states and 3058 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 03:43:37,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:37,331 INFO L93 Difference]: Finished difference Result 4617 states and 6153 transitions. [2021-11-03 03:43:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:43:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-11-03 03:43:37,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:37,342 INFO L225 Difference]: With dead ends: 4617 [2021-11-03 03:43:37,342 INFO L226 Difference]: Without dead ends: 2329 [2021-11-03 03:43:37,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:43:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2329 states. [2021-11-03 03:43:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2329 to 2289. [2021-11-03 03:43:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2275 states have (on average 1.3424175824175824) internal successors, (3054), 2288 states have internal predecessors, (3054), 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 03:43:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3054 transitions. [2021-11-03 03:43:37,559 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3054 transitions. Word has length 25 [2021-11-03 03:43:37,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:37,560 INFO L470 AbstractCegarLoop]: Abstraction has 2289 states and 3054 transitions. [2021-11-03 03:43:37,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 03:43:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3054 transitions. [2021-11-03 03:43:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 03:43:37,562 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:37,565 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] [2021-11-03 03:43:37,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:37,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:37,780 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:37,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:37,780 INFO L85 PathProgramCache]: Analyzing trace with hash -537647140, now seen corresponding path program 1 times [2021-11-03 03:43:37,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:37,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931915609] [2021-11-03 03:43:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:37,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:37,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:37,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:37,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:43:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:38,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:38,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:38,954 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 03:43:38,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:39,096 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 03:43:39,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:39,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931915609] [2021-11-03 03:43:39,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931915609] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:39,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:39,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:39,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490784625] [2021-11-03 03:43:39,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:39,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:39,100 INFO L87 Difference]: Start difference. First operand 2289 states and 3054 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 03:43:41,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:41,368 INFO L93 Difference]: Finished difference Result 2289 states and 3054 transitions. [2021-11-03 03:43:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:41,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-03 03:43:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:41,377 INFO L225 Difference]: With dead ends: 2289 [2021-11-03 03:43:41,377 INFO L226 Difference]: Without dead ends: 2287 [2021-11-03 03:43:41,378 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 03:43:41,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2021-11-03 03:43:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2287. [2021-11-03 03:43:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 2274 states have (on average 1.3421284080914688) internal successors, (3052), 2286 states have internal predecessors, (3052), 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 03:43:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3052 transitions. [2021-11-03 03:43:41,630 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3052 transitions. Word has length 25 [2021-11-03 03:43:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:41,631 INFO L470 AbstractCegarLoop]: Abstraction has 2287 states and 3052 transitions. [2021-11-03 03:43:41,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 03:43:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3052 transitions. [2021-11-03 03:43:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 03:43:41,633 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:41,633 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] [2021-11-03 03:43:41,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:41,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:41,856 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash 512808312, now seen corresponding path program 1 times [2021-11-03 03:43:41,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:41,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223478273] [2021-11-03 03:43:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:41,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:41,859 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:41,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:43:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:42,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:42,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:43,078 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 03:43:43,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:43,220 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 03:43:43,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:43,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223478273] [2021-11-03 03:43:43,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223478273] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:43,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:43,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:43,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442134023] [2021-11-03 03:43:43,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:43,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:43,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:43,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:43,224 INFO L87 Difference]: Start difference. First operand 2287 states and 3052 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 03:43:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:45,596 INFO L93 Difference]: Finished difference Result 2287 states and 3052 transitions. [2021-11-03 03:43:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:45,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-11-03 03:43:45,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:45,599 INFO L225 Difference]: With dead ends: 2287 [2021-11-03 03:43:45,599 INFO L226 Difference]: Without dead ends: 2285 [2021-11-03 03:43:45,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 03:43:45,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2021-11-03 03:43:45,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2285. [2021-11-03 03:43:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2285 states, 2273 states have (on average 1.3418389793224812) internal successors, (3050), 2284 states have internal predecessors, (3050), 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 03:43:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 3050 transitions. [2021-11-03 03:43:45,783 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 3050 transitions. Word has length 26 [2021-11-03 03:43:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:45,783 INFO L470 AbstractCegarLoop]: Abstraction has 2285 states and 3050 transitions. [2021-11-03 03:43:45,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 03:43:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 3050 transitions. [2021-11-03 03:43:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 03:43:45,785 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:45,785 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] [2021-11-03 03:43:45,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:45,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:45,988 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1282811034, now seen corresponding path program 1 times [2021-11-03 03:43:45,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:45,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551306770] [2021-11-03 03:43:45,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:45,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:45,991 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:45,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:43:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:47,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:47,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:47,188 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 03:43:47,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:47,331 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 03:43:47,331 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:47,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551306770] [2021-11-03 03:43:47,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551306770] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:47,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:47,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:47,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610084758] [2021-11-03 03:43:47,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:47,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:47,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:47,333 INFO L87 Difference]: Start difference. First operand 2285 states and 3050 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 03:43:49,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:49,593 INFO L93 Difference]: Finished difference Result 2285 states and 3050 transitions. [2021-11-03 03:43:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:49,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-03 03:43:49,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:49,597 INFO L225 Difference]: With dead ends: 2285 [2021-11-03 03:43:49,597 INFO L226 Difference]: Without dead ends: 2283 [2021-11-03 03:43:49,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 03:43:49,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2021-11-03 03:43:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2283. [2021-11-03 03:43:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 2272 states have (on average 1.341549295774648) internal successors, (3048), 2282 states have internal predecessors, (3048), 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 03:43:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3048 transitions. [2021-11-03 03:43:49,781 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3048 transitions. Word has length 27 [2021-11-03 03:43:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:49,781 INFO L470 AbstractCegarLoop]: Abstraction has 2283 states and 3048 transitions. [2021-11-03 03:43:49,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 03:43:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3048 transitions. [2021-11-03 03:43:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:43:49,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:49,783 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] [2021-11-03 03:43:49,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:49,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:49,984 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:49,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:49,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1112435902, now seen corresponding path program 1 times [2021-11-03 03:43:49,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:49,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821627080] [2021-11-03 03:43:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:49,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:49,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:49,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:43:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:50,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:50,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:51,067 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 03:43:51,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:51,267 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 03:43:51,267 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:51,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821627080] [2021-11-03 03:43:51,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821627080] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:51,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:51,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:51,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646259568] [2021-11-03 03:43:51,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:51,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:51,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:51,270 INFO L87 Difference]: Start difference. First operand 2283 states and 3048 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 03:43:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:53,843 INFO L93 Difference]: Finished difference Result 6717 states and 8998 transitions. [2021-11-03 03:43:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:53,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-03 03:43:53,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:53,849 INFO L225 Difference]: With dead ends: 6717 [2021-11-03 03:43:53,850 INFO L226 Difference]: Without dead ends: 4437 [2021-11-03 03:43:53,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 03:43:53,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4437 states. [2021-11-03 03:43:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4437 to 4413. [2021-11-03 03:43:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 4402 states have (on average 1.343934575193094) internal successors, (5916), 4412 states have internal predecessors, (5916), 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 03:43:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 5916 transitions. [2021-11-03 03:43:54,220 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 5916 transitions. Word has length 28 [2021-11-03 03:43:54,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:54,220 INFO L470 AbstractCegarLoop]: Abstraction has 4413 states and 5916 transitions. [2021-11-03 03:43:54,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 03:43:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 5916 transitions. [2021-11-03 03:43:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 03:43:54,222 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:54,222 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] [2021-11-03 03:43:54,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:54,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:54,423 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:54,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:54,423 INFO L85 PathProgramCache]: Analyzing trace with hash -125774096, now seen corresponding path program 1 times [2021-11-03 03:43:54,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:54,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290100373] [2021-11-03 03:43:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:54,424 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:54,425 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:54,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 03:43:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:55,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:43:55,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:55,534 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 03:43:55,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:55,706 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 03:43:55,706 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:43:55,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290100373] [2021-11-03 03:43:55,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290100373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:43:55,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:43:55,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:43:55,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739120103] [2021-11-03 03:43:55,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:43:55,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:43:55,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:43:55,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:43:55,708 INFO L87 Difference]: Start difference. First operand 4413 states and 5916 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 03:43:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:58,151 INFO L93 Difference]: Finished difference Result 4413 states and 5916 transitions. [2021-11-03 03:43:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:43:58,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-03 03:43:58,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:58,159 INFO L225 Difference]: With dead ends: 4413 [2021-11-03 03:43:58,160 INFO L226 Difference]: Without dead ends: 4388 [2021-11-03 03:43:58,161 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 03:43:58,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2021-11-03 03:43:58,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2021-11-03 03:43:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 4379 states have (on average 1.3411737839689426) internal successors, (5873), 4387 states have internal predecessors, (5873), 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 03:43:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 5873 transitions. [2021-11-03 03:43:58,563 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 5873 transitions. Word has length 29 [2021-11-03 03:43:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:58,563 INFO L470 AbstractCegarLoop]: Abstraction has 4388 states and 5873 transitions. [2021-11-03 03:43:58,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 03:43:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 5873 transitions. [2021-11-03 03:43:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 03:43:58,567 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:58,568 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:58,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:58,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:43:58,775 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:43:58,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1988061701, now seen corresponding path program 1 times [2021-11-03 03:43:58,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:43:58,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735943483] [2021-11-03 03:43:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:58,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:43:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:43:58,778 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:43:58,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 03:43:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:44:00,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:44:00,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:44:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:00,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:44:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:00,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:44:00,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735943483] [2021-11-03 03:44:00,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735943483] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:44:00,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:44:00,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:44:00,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474215901] [2021-11-03 03:44:00,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:44:00,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:44:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:44:00,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:44:00,727 INFO L87 Difference]: Start difference. First operand 4388 states and 5873 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 03:44:01,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:44:01,202 INFO L93 Difference]: Finished difference Result 9434 states and 12686 transitions. [2021-11-03 03:44:01,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:44:01,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2021-11-03 03:44:01,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:44:01,212 INFO L225 Difference]: With dead ends: 9434 [2021-11-03 03:44:01,213 INFO L226 Difference]: Without dead ends: 5049 [2021-11-03 03:44:01,219 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 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 03:44:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5049 states. [2021-11-03 03:44:01,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5049 to 4885. [2021-11-03 03:44:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 4876 states have (on average 1.3574651353568499) internal successors, (6619), 4884 states have internal predecessors, (6619), 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 03:44:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 6619 transitions. [2021-11-03 03:44:01,689 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 6619 transitions. Word has length 78 [2021-11-03 03:44:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:44:01,690 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 6619 transitions. [2021-11-03 03:44:01,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 03:44:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 6619 transitions. [2021-11-03 03:44:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-03 03:44:01,693 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:44:01,693 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:44:01,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 03:44:01,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:44:01,896 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:44:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:44:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1273103050, now seen corresponding path program 1 times [2021-11-03 03:44:01,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:44:01,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274282897] [2021-11-03 03:44:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:44:01,898 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:44:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:44:01,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:44:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 03:44:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:44:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 03:44:03,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:44:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 03:44:04,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:44:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 03:44:06,040 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:44:06,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274282897] [2021-11-03 03:44:06,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274282897] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:44:06,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:44:06,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 19 [2021-11-03 03:44:06,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361890279] [2021-11-03 03:44:06,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 03:44:06,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:44:06,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 03:44:06,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-11-03 03:44:06,044 INFO L87 Difference]: Start difference. First operand 4885 states and 6619 transitions. Second operand has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 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 03:45:09,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:09,675 INFO L93 Difference]: Finished difference Result 35050 states and 48213 transitions. [2021-11-03 03:45:09,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-03 03:45:09,676 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 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 03:45:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:09,715 INFO L225 Difference]: With dead ends: 35050 [2021-11-03 03:45:09,715 INFO L226 Difference]: Without dead ends: 30182 [2021-11-03 03:45:09,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1741 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=1381, Invalid=4625, Unknown=0, NotChecked=0, Total=6006 [2021-11-03 03:45:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30182 states. [2021-11-03 03:45:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30182 to 4868. [2021-11-03 03:45:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4859 states have (on average 1.3583041778143652) internal successors, (6600), 4867 states have internal predecessors, (6600), 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 03:45:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6600 transitions. [2021-11-03 03:45:10,586 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6600 transitions. Word has length 99 [2021-11-03 03:45:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:10,587 INFO L470 AbstractCegarLoop]: Abstraction has 4868 states and 6600 transitions. [2021-11-03 03:45:10,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 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 03:45:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6600 transitions. [2021-11-03 03:45:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-03 03:45:10,590 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:10,590 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:10,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:10,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:10,792 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:45:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1063798767, now seen corresponding path program 1 times [2021-11-03 03:45:10,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:10,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178151211] [2021-11-03 03:45:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:10,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:10,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:10,795 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 03:45:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:12,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:45:12,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:12,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:12,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:12,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178151211] [2021-11-03 03:45:12,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178151211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:12,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:12,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:45:12,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657903778] [2021-11-03 03:45:12,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:45:12,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:12,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:45:12,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:45:12,736 INFO L87 Difference]: Start difference. First operand 4868 states and 6600 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 03:45:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:14,607 INFO L93 Difference]: Finished difference Result 19381 states and 26265 transitions. [2021-11-03 03:45:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:45:14,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 100 [2021-11-03 03:45:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:14,626 INFO L225 Difference]: With dead ends: 19381 [2021-11-03 03:45:14,626 INFO L226 Difference]: Without dead ends: 14538 [2021-11-03 03:45:14,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 196 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 03:45:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14538 states. [2021-11-03 03:45:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14538 to 4900. [2021-11-03 03:45:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4900 states, 4891 states have (on average 1.3575955837252096) internal successors, (6640), 4899 states have internal predecessors, (6640), 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 03:45:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4900 states to 4900 states and 6640 transitions. [2021-11-03 03:45:15,472 INFO L78 Accepts]: Start accepts. Automaton has 4900 states and 6640 transitions. Word has length 100 [2021-11-03 03:45:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:15,472 INFO L470 AbstractCegarLoop]: Abstraction has 4900 states and 6640 transitions. [2021-11-03 03:45:15,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 03:45:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4900 states and 6640 transitions. [2021-11-03 03:45:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-03 03:45:15,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:15,475 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:15,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:15,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:15,680 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:45:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -702101038, now seen corresponding path program 1 times [2021-11-03 03:45:15,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:15,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272920609] [2021-11-03 03:45:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:15,683 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:15,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:15,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:15,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 03:45:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:17,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 03:45:17,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:17,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:18,366 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:18,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272920609] [2021-11-03 03:45:18,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272920609] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:18,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:18,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-03 03:45:18,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488233004] [2021-11-03 03:45:18,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 03:45:18,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:18,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 03:45:18,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:45:18,369 INFO L87 Difference]: Start difference. First operand 4900 states and 6640 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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 03:45:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:25,588 INFO L93 Difference]: Finished difference Result 40448 states and 55196 transitions. [2021-11-03 03:45:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 03:45:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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 102 [2021-11-03 03:45:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:25,639 INFO L225 Difference]: With dead ends: 40448 [2021-11-03 03:45:25,640 INFO L226 Difference]: Without dead ends: 35573 [2021-11-03 03:45:25,651 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-11-03 03:45:25,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35573 states. [2021-11-03 03:45:26,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35573 to 4940. [2021-11-03 03:45:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4940 states, 4931 states have (on average 1.3546947880754412) internal successors, (6680), 4939 states have internal predecessors, (6680), 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 03:45:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 6680 transitions. [2021-11-03 03:45:26,751 INFO L78 Accepts]: Start accepts. Automaton has 4940 states and 6680 transitions. Word has length 102 [2021-11-03 03:45:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:26,752 INFO L470 AbstractCegarLoop]: Abstraction has 4940 states and 6680 transitions. [2021-11-03 03:45:26,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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 03:45:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4940 states and 6680 transitions. [2021-11-03 03:45:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-03 03:45:26,755 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:26,755 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:26,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:26,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:26,972 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:45:26,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1594763133, now seen corresponding path program 1 times [2021-11-03 03:45:26,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:26,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985370319] [2021-11-03 03:45:26,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:26,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:26,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:26,975 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:26,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 03:45:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:28,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 03:45:28,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:29,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:29,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:29,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985370319] [2021-11-03 03:45:29,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985370319] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:29,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:29,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 14 [2021-11-03 03:45:29,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376361553] [2021-11-03 03:45:29,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 03:45:29,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:29,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 03:45:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:45:29,786 INFO L87 Difference]: Start difference. First operand 4940 states and 6680 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 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 03:45:43,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:43,384 INFO L93 Difference]: Finished difference Result 49773 states and 67888 transitions. [2021-11-03 03:45:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-03 03:45:43,385 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 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 03:45:43,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:43,450 INFO L225 Difference]: With dead ends: 49773 [2021-11-03 03:45:43,450 INFO L226 Difference]: Without dead ends: 44858 [2021-11-03 03:45:43,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=460, Invalid=1796, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 03:45:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44858 states. [2021-11-03 03:45:44,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44858 to 4964. [2021-11-03 03:45:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4964 states, 4955 states have (on average 1.3529767911200807) internal successors, (6704), 4963 states have internal predecessors, (6704), 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 03:45:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 6704 transitions. [2021-11-03 03:45:44,793 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 6704 transitions. Word has length 105 [2021-11-03 03:45:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:44,794 INFO L470 AbstractCegarLoop]: Abstraction has 4964 states and 6704 transitions. [2021-11-03 03:45:44,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 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 03:45:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 6704 transitions. [2021-11-03 03:45:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-03 03:45:44,797 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:44,798 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:44,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:45,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:45,020 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:45:45,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:45,020 INFO L85 PathProgramCache]: Analyzing trace with hash 810086089, now seen corresponding path program 1 times [2021-11-03 03:45:45,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:45,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804315521] [2021-11-03 03:45:45,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:45,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:45,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:45,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:45,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 03:45:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:46,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-03 03:45:46,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:47,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:47,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:47,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804315521] [2021-11-03 03:45:47,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804315521] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:47,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:47,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:45:47,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311508995] [2021-11-03 03:45:47,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:45:47,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:47,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:45:47,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:45:47,577 INFO L87 Difference]: Start difference. First operand 4964 states and 6704 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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 03:45:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:52,257 INFO L93 Difference]: Finished difference Result 23438 states and 31846 transitions. [2021-11-03 03:45:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:45:52,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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 108 [2021-11-03 03:45:52,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:52,285 INFO L225 Difference]: With dead ends: 23438 [2021-11-03 03:45:52,285 INFO L226 Difference]: Without dead ends: 18499 [2021-11-03 03:45:52,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:45:52,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18499 states. [2021-11-03 03:45:53,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18499 to 4988. [2021-11-03 03:45:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4988 states, 4979 states have (on average 1.3512753564972886) internal successors, (6728), 4987 states have internal predecessors, (6728), 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 03:45:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 6728 transitions. [2021-11-03 03:45:53,527 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 6728 transitions. Word has length 108 [2021-11-03 03:45:53,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:53,527 INFO L470 AbstractCegarLoop]: Abstraction has 4988 states and 6728 transitions. [2021-11-03 03:45:53,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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 03:45:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 6728 transitions. [2021-11-03 03:45:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-03 03:45:53,531 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:53,532 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:53,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:53,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:53,747 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:45:53,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:53,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1836790810, now seen corresponding path program 1 times [2021-11-03 03:45:53,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:53,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072311760] [2021-11-03 03:45:53,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:53,750 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:53,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:53,750 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:53,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 03:45:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:55,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-03 03:45:55,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:56,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:45:56,490 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:56,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072311760] [2021-11-03 03:45:56,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072311760] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:56,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:56,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:45:56,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510090571] [2021-11-03 03:45:56,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:45:56,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:56,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:45:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:45:56,491 INFO L87 Difference]: Start difference. First operand 4988 states and 6728 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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 03:46:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:01,226 INFO L93 Difference]: Finished difference Result 23370 states and 31758 transitions. [2021-11-03 03:46:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:46:01,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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 111 [2021-11-03 03:46:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:01,252 INFO L225 Difference]: With dead ends: 23370 [2021-11-03 03:46:01,252 INFO L226 Difference]: Without dead ends: 18407 [2021-11-03 03:46:01,259 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:46:01,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18407 states. [2021-11-03 03:46:02,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18407 to 5012. [2021-11-03 03:46:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 5003 states have (on average 1.3495902458524884) internal successors, (6752), 5011 states have internal predecessors, (6752), 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 03:46:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 6752 transitions. [2021-11-03 03:46:02,591 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 6752 transitions. Word has length 111 [2021-11-03 03:46:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:02,592 INFO L470 AbstractCegarLoop]: Abstraction has 5012 states and 6752 transitions. [2021-11-03 03:46:02,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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 03:46:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 6752 transitions. [2021-11-03 03:46:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-03 03:46:02,596 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:02,596 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:02,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-03 03:46:02,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:02,824 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash 874851840, now seen corresponding path program 1 times [2021-11-03 03:46:02,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:02,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764898563] [2021-11-03 03:46:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:02,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:02,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:02,826 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:02,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 03:46:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:04,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:46:04,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:46:05,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:46:05,307 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:05,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764898563] [2021-11-03 03:46:05,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764898563] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:05,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:05,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:46:05,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75560103] [2021-11-03 03:46:05,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:46:05,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:46:05,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:46:05,309 INFO L87 Difference]: Start difference. First operand 5012 states and 6752 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 03:46:08,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:08,560 INFO L93 Difference]: Finished difference Result 19333 states and 26121 transitions. [2021-11-03 03:46:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:46:08,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 114 [2021-11-03 03:46:08,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:08,579 INFO L225 Difference]: With dead ends: 19333 [2021-11-03 03:46:08,579 INFO L226 Difference]: Without dead ends: 14346 [2021-11-03 03:46:08,585 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:46:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14346 states. [2021-11-03 03:46:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14346 to 5020. [2021-11-03 03:46:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5020 states, 5011 states have (on average 1.3490321293155059) internal successors, (6760), 5019 states have internal predecessors, (6760), 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 03:46:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 5020 states and 6760 transitions. [2021-11-03 03:46:09,717 INFO L78 Accepts]: Start accepts. Automaton has 5020 states and 6760 transitions. Word has length 114 [2021-11-03 03:46:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:09,717 INFO L470 AbstractCegarLoop]: Abstraction has 5020 states and 6760 transitions. [2021-11-03 03:46:09,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 03:46:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5020 states and 6760 transitions. [2021-11-03 03:46:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-03 03:46:09,720 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:09,720 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:09,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:09,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:09,932 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:09,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:09,932 INFO L85 PathProgramCache]: Analyzing trace with hash 452150014, now seen corresponding path program 1 times [2021-11-03 03:46:09,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:09,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739829660] [2021-11-03 03:46:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:09,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:09,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:09,935 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:09,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 03:46:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:11,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:46:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:46:12,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:46:12,450 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:12,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739829660] [2021-11-03 03:46:12,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739829660] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:12,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:12,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:46:12,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288967886] [2021-11-03 03:46:12,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:46:12,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:46:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:46:12,455 INFO L87 Difference]: Start difference. First operand 5020 states and 6760 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 03:46:20,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:20,137 INFO L93 Difference]: Finished difference Result 11735 states and 15943 transitions. [2021-11-03 03:46:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:46:20,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 114 [2021-11-03 03:46:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:20,145 INFO L225 Difference]: With dead ends: 11735 [2021-11-03 03:46:20,145 INFO L226 Difference]: Without dead ends: 6740 [2021-11-03 03:46:20,151 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 224 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 03:46:20,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2021-11-03 03:46:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6510. [2021-11-03 03:46:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6510 states, 6501 states have (on average 1.364405476080603) internal successors, (8870), 6509 states have internal predecessors, (8870), 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 03:46:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6510 states to 6510 states and 8870 transitions. [2021-11-03 03:46:21,466 INFO L78 Accepts]: Start accepts. Automaton has 6510 states and 8870 transitions. Word has length 114 [2021-11-03 03:46:21,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:21,467 INFO L470 AbstractCegarLoop]: Abstraction has 6510 states and 8870 transitions. [2021-11-03 03:46:21,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 03:46:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6510 states and 8870 transitions. [2021-11-03 03:46:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 03:46:21,470 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:21,471 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:21,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:21,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:21,683 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash 128878731, now seen corresponding path program 1 times [2021-11-03 03:46:21,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:21,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91392823] [2021-11-03 03:46:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:21,686 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:21,687 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:21,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-03 03:46:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:46:23,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:23,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:24,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:24,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91392823] [2021-11-03 03:46:24,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91392823] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:24,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:24,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:46:24,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497183898] [2021-11-03 03:46:24,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:46:24,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:24,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:46:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:46:24,098 INFO L87 Difference]: Start difference. First operand 6510 states and 8870 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 03:46:25,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:25,629 INFO L93 Difference]: Finished difference Result 12996 states and 17661 transitions. [2021-11-03 03:46:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:46:25,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 119 [2021-11-03 03:46:25,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:25,639 INFO L225 Difference]: With dead ends: 12996 [2021-11-03 03:46:25,639 INFO L226 Difference]: Without dead ends: 6511 [2021-11-03 03:46:25,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:46:25,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2021-11-03 03:46:26,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 1742. [2021-11-03 03:46:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1736 states have (on average 1.3508064516129032) internal successors, (2345), 1741 states have internal predecessors, (2345), 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 03:46:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2345 transitions. [2021-11-03 03:46:26,207 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2345 transitions. Word has length 119 [2021-11-03 03:46:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:26,207 INFO L470 AbstractCegarLoop]: Abstraction has 1742 states and 2345 transitions. [2021-11-03 03:46:26,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 03:46:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2345 transitions. [2021-11-03 03:46:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 03:46:26,209 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:26,209 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:26,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:26,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:26,423 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:26,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:26,424 INFO L85 PathProgramCache]: Analyzing trace with hash 186137033, now seen corresponding path program 1 times [2021-11-03 03:46:26,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:26,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794349842] [2021-11-03 03:46:26,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:26,425 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:26,426 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:26,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-03 03:46:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:28,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:46:28,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:28,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:28,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:28,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794349842] [2021-11-03 03:46:28,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794349842] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:28,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:28,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:46:28,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116002901] [2021-11-03 03:46:28,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:46:28,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:28,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:46:28,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:28,917 INFO L87 Difference]: Start difference. First operand 1742 states and 2345 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 03:46:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:31,606 INFO L93 Difference]: Finished difference Result 1742 states and 2345 transitions. [2021-11-03 03:46:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:46:31,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 119 [2021-11-03 03:46:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:31,608 INFO L225 Difference]: With dead ends: 1742 [2021-11-03 03:46:31,608 INFO L226 Difference]: Without dead ends: 1736 [2021-11-03 03:46:31,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 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 03:46:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2021-11-03 03:46:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1736. [2021-11-03 03:46:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1733 states have (on average 1.3479515291402193) internal successors, (2336), 1735 states have internal predecessors, (2336), 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 03:46:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2336 transitions. [2021-11-03 03:46:32,175 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2336 transitions. Word has length 119 [2021-11-03 03:46:32,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:32,176 INFO L470 AbstractCegarLoop]: Abstraction has 1736 states and 2336 transitions. [2021-11-03 03:46:32,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 03:46:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2336 transitions. [2021-11-03 03:46:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-03 03:46:32,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:32,177 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:32,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:32,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:32,399 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:32,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:32,400 INFO L85 PathProgramCache]: Analyzing trace with hash -299173401, now seen corresponding path program 1 times [2021-11-03 03:46:32,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:32,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765314693] [2021-11-03 03:46:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:32,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:32,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:32,402 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:32,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-03 03:46:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:34,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:46:34,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:34,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:34,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:34,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765314693] [2021-11-03 03:46:34,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765314693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:34,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:34,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:46:34,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714090539] [2021-11-03 03:46:34,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:46:34,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:34,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:46:34,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:34,847 INFO L87 Difference]: Start difference. First operand 1736 states and 2336 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 03:46:37,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:37,547 INFO L93 Difference]: Finished difference Result 1740 states and 2338 transitions. [2021-11-03 03:46:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:46:37,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 120 [2021-11-03 03:46:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:37,549 INFO L225 Difference]: With dead ends: 1740 [2021-11-03 03:46:37,549 INFO L226 Difference]: Without dead ends: 1734 [2021-11-03 03:46:37,550 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 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 03:46:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2021-11-03 03:46:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2021-11-03 03:46:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1732 states have (on average 1.344688221709007) internal successors, (2329), 1733 states have internal predecessors, (2329), 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 03:46:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2329 transitions. [2021-11-03 03:46:38,115 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2329 transitions. Word has length 120 [2021-11-03 03:46:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:38,115 INFO L470 AbstractCegarLoop]: Abstraction has 1734 states and 2329 transitions. [2021-11-03 03:46:38,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 03:46:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2329 transitions. [2021-11-03 03:46:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-03 03:46:38,117 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:38,117 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:38,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:38,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:38,317 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 03:46:38,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:38,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1475833961, now seen corresponding path program 1 times [2021-11-03 03:46:38,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:38,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888273760] [2021-11-03 03:46:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:38,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:38,320 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:38,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-03 03:46:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:40,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:46:40,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:40,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 03:46:41,039 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:41,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888273760] [2021-11-03 03:46:41,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888273760] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:41,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:41,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:46:41,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584473724] [2021-11-03 03:46:41,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:46:41,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:41,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:46:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:46:41,041 INFO L87 Difference]: Start difference. First operand 1734 states and 2329 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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 03:46:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:42,275 INFO L93 Difference]: Finished difference Result 3361 states and 4531 transitions. [2021-11-03 03:46:42,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:46:42,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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 120 [2021-11-03 03:46:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:42,278 INFO L225 Difference]: With dead ends: 3361 [2021-11-03 03:46:42,279 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 03:46:42,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:46:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 03:46:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 03:46:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 03:46:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 03:46:42,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2021-11-03 03:46:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:42,283 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 03:46:42,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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 03:46:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 03:46:42,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 03:46:42,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,286 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:46:42,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:42,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d7ecc-7495-4660-b850-0bc340868aa6/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:42,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 03:46:42,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:45,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:46,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:47,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:49,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:51,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:53,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:53,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:54,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:56,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:58,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:00,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:02,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:05,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:06,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:08,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:10,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:12,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:12,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:14,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:15,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:18,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:19,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:21,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:22,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:24,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:25,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:26,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:28,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:30,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:30,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:32,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:34,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:35,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:37,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:38,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:39,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:41,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:43,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:43,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:44,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:48,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:49,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:50,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:51,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:52,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:54,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:57,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:57,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:47:58,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:01,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:01,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:01,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:03,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:06,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:08,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:10,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:11,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:13,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:15,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:17,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:18,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:19,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:21,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:22,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:24,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:27,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:29,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:31,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:32,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:34,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:34,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:37,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:38,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:39,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:39,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:40,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:41,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:43,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:45,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:47,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:49,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:49,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:50,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:51,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:53,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:55,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:58,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:48:59,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:01,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:02,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:04,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:05,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:07,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:07,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:09,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:14,874 WARN L207 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 512 DAG size of output: 462 [2021-11-03 03:49:14,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:16,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:19,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:22,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:24,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:26,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:28,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:30,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:32,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:34,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:35,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:36,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:37,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:40,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:42,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:44,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:46,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:50,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:52,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:54,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:56,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:49:58,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:00,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:02,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:04,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:06,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:08,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:08,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:09,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:11,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:13,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:13,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:13,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:17,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:19,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:21,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:22,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:25,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:25,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:27,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:29,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:32,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:32,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:33,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:33,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:36,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:38,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:40,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:40,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:41,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:43,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:45,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:47,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:50,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:54,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:56,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:50:59,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:01,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:03,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:05,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:07,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:10,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:12,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:14,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:15,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:17,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:21,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:23,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:25,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:25,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:27,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:28,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:30,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:32,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:33,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:35,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:37,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:39,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:41,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:43,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:46,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:47,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:48,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:50,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:50,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:50,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:51:52,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:00,200 WARN L207 SmtUtils]: Spent 7.47 s on a formula simplification. DAG size of input: 542 DAG size of output: 474 [2021-11-03 03:52:00,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:02,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:04,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:06,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:06,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:09,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:12,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:13,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:17,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:20,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:22,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:24,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:26,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:28,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:28,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:29,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:32,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:36,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:40,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:42,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:45,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:47,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:51,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:59,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:00,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:07,764 WARN L207 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 542 DAG size of output: 474 [2021-11-03 03:53:07,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:07,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:08,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:08,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:11,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:12,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:16,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:17,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:17,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:21,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:22,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:26,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:27,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:28,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:32,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:34,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:37,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:38,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:40,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:45,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:50,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:52,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:54,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:56,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:58,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:01,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:01,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:04,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:06,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:08,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:10,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:10,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:12,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:12,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:13,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:13,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:15,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:16,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:17,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:19,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:20,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:21,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:23,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:25,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:26,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:28,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:31,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:34,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:36,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:37,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:38,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:39,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:41,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:42,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:43,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:45,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:49,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:50,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:50,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:52,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:55,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:56,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:58,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:54:58,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:01,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:05,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:05,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:12,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:14,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:14,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:16,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:18,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:20,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:22,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:24,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:24,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:26,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:32,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:34,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:35,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:37,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:39,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:42,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:43,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:45,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:47,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:49,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:51,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:53,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:53,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:53,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:55,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:56,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:00,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:02,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:04,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:06,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:07,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:08,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:09,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:09,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:10,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:12,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:12,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:14,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:17,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:18,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms